SIST EN ISO 2080:2022
(Main)Metallic and other inorganic coatings - Surface treatment, metallic and other inorganic coatings - Vocabulary (ISO 2080:2022)
Metallic and other inorganic coatings - Surface treatment, metallic and other inorganic coatings - Vocabulary (ISO 2080:2022)
This International Standard describes general types of surface-finishing processes and provides a vocabulary that defines terms related to these processes. Emphasis is placed on practical usage in surface-finishing technology in the metal-finishing field. The vocabulary does not include definitions and terms for porcelain and vitreous enamel, thermally sprayed coatings and hot-dip galvanizing for which specialized vocabularies and glossaries exist or are in preparation. For the most part, basic terms that have the same meaning in surface finishing as in other fields of technology, and that are defined in handbooks and dictionaries of chemistry and physics, are not included.
Metallische und andere anorganische Überzüge - Oberflächenbehandlung, metallische und andere anorganische Überzüge - Wörterbuch (ISO 2080:2022)
Diese Internationale Norm beschreibt die allgemei¬nen Arten der Oberflächen¬be-handlungen und bietet ein Wörterver¬zeichnis, das Benen¬nungen für die bei der Oberflächenbehand¬lung angewendeten Verfahren definiert. Der Schwer¬punkt liegt auf dem praktischen Nutzen für die Ober-flächentechnik im Bereich der Ober¬flächen-veredlung von Metallen. Das Wörterver¬zeichnis erfasst keine Begriffe für Emaillierungen, thermisch gespritzte Schichten und für das Feuerverzinken, für die eigene Wörterver¬zeich-nisse und Glossare bestehen oder in Vorbereitung sind. Grundlegende Benennungen sind meist nicht aufgenommen worden, wenn sie in der Ober¬flächenveredlung dieselbe Bedeutung wie in anderen Bereichen der Technik haben und in Hand- und Wörterbüchern der Chemie oder Physik definiert werden.
Revêtements métalliques et autres revêtements inorganiques - Traitement de surface, revêtements métalliques et autres revêtements inorganiques - Vocabulaire (ISO 2080:2022)
Le présent document définit les termes se rapportant aux types généraux de procédés de traitement de surface. L’accent est mis sur l’utilisation pratique, en technologie de finition de surface, dans le domaine de la finition des métaux.
Le présent document n’inclut pas les termes relatifs à la porcelaine, à l’émail vitrifié, aux revêtements projetés thermiquement et à la galvanisation, pour lesquels des vocabulaires et glossaires spécialisés existent déjà. Le plus souvent, les termes fondamentaux possédant la même signification dans le domaine du traitement de surface que dans d’autres domaines de technologie, et qui sont définis dans des manuels et des dictionnaires de chimie et de physique, ne sont pas inclus ici.
Kovinske in druge anorganske prevleke - Površinska obdelava kovinskih in drugih anorganskih prevlek - Slovar (ISO 2080:2022)
Ta mednarodni standard opisuje splošne vrste postopkov površinske obdelave in podaja slovar z opredelitvijo izrazov v zvezi s temi postopki. Poudarek je na praktični uporabi tehnologije za površinsko obdelavo na področju zaključne obdelave kovin. Slovar ne vključuje definicij in izrazov za porcelan in steklasti emajl ter vroče brizgane in vroče galvanizirane prevleke, za katere obstajajo oziroma so v pripravi specializirani slovarji in glosarji. Večina osnovnih izrazov, ki imajo enak pomen tako na področju površinske obdelave kot tudi na drugih tehnoloških področjih ter so opredeljeni v priročnikih in slovarjih s področja kemije in fizike, ni vključenih.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 2080:2022
01-maj-2022
Nadomešča:
SIST EN ISO 2080:2009
Kovinske in druge anorganske prevleke - Površinska obdelava kovinskih in drugih
anorganskih prevlek - Slovar (ISO 2080:2022)
Metallic and other inorganic coatings - Surface treatment, metallic and other inorganic
coatings - Vocabulary (ISO 2080:2022)
Metallische und andere anorganische Überzüge - Oberflächenbehandlung, metallische
und andere anorganische Überzüge - Wörterbuch (ISO 2080:2022)
Revêtements métalliques et autres revêtements inorganiques - Traitement de surface,
revêtements métalliques et autres revêtements inorganiques - Vocabulaire (ISO
2080:2022)
Ta slovenski standard je istoveten z: EN ISO 2080:2022
ICS:
01.040.25 Izdelavna tehnika (Slovarji) Manufacturing engineering
(Vocabularies)
25.220.40 Kovinske prevleke Metallic coatings
SIST EN ISO 2080:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN ISO 2080:2022
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SIST EN ISO 2080:2022
EN ISO 2080
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2022
EUROPÄISCHE NORM
ICS 01.040.25; 25.220.40 Supersedes EN ISO 2080:2009
English Version
Metallic and other inorganic coatings - Surface treatment,
metallic and other inorganic coatings - Vocabulary (ISO
2080:2022)
Revêtements métalliques et autres revêtements Metallische und andere anorganische Überzüge -
inorganiques - Traitement de surface, revêtements Oberflächenbehandlung, metallische und andere
métalliques et autres revêtements inorganiques - anorganische Überzüge - Wörterbuch (ISO 2080:2022)
Vocabulaire (ISO 2080:2022)
This European Standard was approved by CEN on 8 January 2022.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 2080:2022 E
worldwide for CEN national Members.
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SIST EN ISO 2080:2022
EN ISO 2080:2022 (E)
Contents Page
European foreword . 3
2
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SIST EN ISO 2080:2022
EN ISO 2080:2022 (E)
European foreword
This document (EN ISO 2080:2022) has been prepared by Technical Committee ISO/TC 107 "Metallic
and other inorganic coatings" in collaboration with Technical Committee CEN/TC 262 “Metallic and
other inorganic coatings, including for corrosion protection and corrosion testing of metals and alloys”
the secretariat of which is held by BSI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by September 2022, and conflicting national standards
shall be withdrawn at the latest by September 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 2080:2009.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 2080:2022 has been approved by CEN as EN ISO 2080:2022 without any modification.
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SIST EN ISO 2080:2022
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SIST EN ISO 2080:2022
INTERNATIONAL ISO
STANDARD 2080
Fourth edition
2022-03
Metallic and other inorganic
coatings — Surface treatment, metallic
and other inorganic coatings —
Vocabulary
Revêtements métalliques et autres revêtements inorganiques —
Traitement de surface, revêtements métalliques et autres revêtements
inorganiques — Vocabulaire
Reference number
ISO 2080:2022(E)
© ISO 2022
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General types of surface-finishing processes and treatments . 1
3.2 Terms used in the industry . 4
Bibliography .28
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic coatings,
in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/
TC 262, Metallic and other inorganic coatings, including for corrosion protection and corrosion testing of
metals and alloys, in accordance with the Agreement on technical cooperation between ISO and CEN
(Vienna Agreement).
This fourth edition cancels and replaces the third edition (ISO 2080:2008), which has been technically
revised.
The main changes compared to the previous edition are as follows:
— new terms have been introduced;
— previous entries have been rationalized;
— some entries have been deleted.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
Introduction
The terms and definitions in this document apply to electroplating and other related surface-finishing
processes. The terms and definitions are not necessarily arranged in English alphabetical order. Related
terms, giving different alternatives for a given process, have been grouped under a leading term, as, for
example, in the case of “chemical plating”, “electrodeposition”, “blasting”, “cleaning” or “colour anodized
aluminium”.
Basic terms and definitions relating to corrosion and electrochemical techniques used in corrosion
science are given in ISO 8044 and are not included. Basic terms used in chemistry, electrochemistry
or physics are also not included in this document. The definitions for such terms can be found in
handbooks or dictionaries of chemistry or physics.
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SIST EN ISO 2080:2022
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SIST EN ISO 2080:2022
INTERNATIONAL STANDARD ISO 2080:2022(E)
Metallic and other inorganic coatings — Surface treatment,
metallic and other inorganic coatings — Vocabulary
1 Scope
This document defines the terms related to the general types of surface-finishing processes. Emphasis
is placed on practical usage in surface-finishing technology in the metal-finishing field.
This document does not include terms for porcelain and vitreous enamel, thermally sprayed coatings
and galvanising for which specialized vocabularies and glossaries exist. For the most part, basic terms
that have the same meaning in surface finishing as in other fields of technology, and that are defined in
handbooks and dictionaries of chemistry and physics, are not included.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1 General types of surface-finishing processes and treatments
3.1.1
chemical plating
deposition of a metallic coating by chemical, non-electrolytic methods
3.1.1.1
autocatalytic plating
DEPRECATED: electroless plating
deposition of a metallic coating by a controlled chemical reduction that is catalysed by the metal or
alloy being deposited
3.1.1.2
contact plating
deposition of a metal by use of an internal source of current by immersing the work (3.2.218) in contact
with another metal in a solution containing a compound of the metal to be deposited
3.1.1.3
immersion coating
metallic coating produced by a displacement reaction in which one metal displaces another from a
solution
2+ 2+
EXAMPLE Fe + Cu → Cu + Fe
3.1.2
chemical vapour deposition
CVD
deposition of a coating by a chemical reaction, induced by heat or gaseous reduction of vapour
condensing on a substrate (3.2.205)
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
3.1.3
conversion coating
conversion layer
coating obtained by conversion treatment (3.1.4)
3.1.4
conversion treatment
chemical or electrochemical process producing a superficial layer containing a compound of the
substrate (3.2.205) metal
EXAMPLE Passivation (3.2.163) coatings on zinc and zinc alloys; aluminium and phosphate coatings on steel;
chromate conversion coatings (3.2.72).
Note 1 to entry: Anodizing (3.2.10) although fulfilling the above definition, is not normally referred to as a
conversion coating process.
3.1.5
diffusion treatment
diffusion coating
process of producing a surface layer (diffusion layer) by diffusion of another metal or non-metal into
the surface of the substrate (3.2.205)
EXAMPLE For electroplating (3.1.6): Diffusion treatment to form an alloy coating from two or more different
electroplated coatings.
For non-electroplating: Galvanising (3.1.7), nitriding, carburizing, sherardizing (3.1.15) are diffusion treatments.
Note 1 to entry: Post-coating heat treatment (3.2.128) after electroplating, for example, to remove hydrogen, is
not normally designated as a diffusion treatment.
3.1.6
electroplating
electrodeposition
deposition of an adherent coating of a metal or an alloy upon a substrate (3.2.205) by electrolysis for the
purpose of imparting properties or dimensions to a surface different from those of the basis material
(3.2.29)
3.1.7
galvanising
formation of either a coating of zinc or zinc-iron alloys, or both, on iron and steel products by dipping
prepared steel or cast iron in a zinc melt
3.1.8
hot dip metal coating
metallic coating obtained by dipping the basis metal into a molten metal
Note 1 to entry: The traditional term “galvanising” (3.1.7) referring to zinc coatings obtained by immersion in a
bath of molten zinc, should always be preceded by “hot dip”. The term “spelter galvanising” should not be used
for “hot dip metal coating”. For details of terms and definitions concerning “hot dip galvanising”, appropriate
standards related to that process are to be consulted.
3.1.9
mechanical coating
mechanical plating
process whereby hard, small spherical objects such as a glass shot are tumbled against a metallic
surface, in the presence of finely divided metal powder such as zinc dust and appropriate chemicals for
the purpose of covering such surfaces with metal
Note 1 to entry: The terms “peen plating” and “mechanical galvanising” (3.1.7) are not recommended.
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
3.1.10
metal cladding
application of a coating of one metal to another by mechanical fabrication techniques
3.1.11
metallizing
application of a metallic coating to the surface of non-metallic or non-conducting materials
Note 1 to entry: This term shall not be used as a synonym of metal spraying (3.1.12) or in the sense of depositing
a metallic coating on a metal substrate (3.2.205).
3.1.12
metal spraying
application of a metal by thermal spraying (3.1.17)
3.1.13
porcelain enamelling
vitreous enamelling
process for applying a substantially vitreous or glassy inorganic coating bonded to metal by fusion at a
temperature above approximately 425 °C
3.1.14
physical vapour deposition
PVD
process of depositing a coating by vaporizing and subsequently condensing an element or compound,
usually in a high vacuum
Note 1 to entry: See sputtering (3.2.196) and ion plating (3.2.136).
3.1.15
sherardizing
zinc diffusion coating (3.1.5) process or diffusion treatment (3.1.5) to form a zinc alloy with the basis
metals by heating the substrate (3.2.205) with zinc
Note 1 to entry: Mainly used to form a zinc-iron alloy layer on a steel substrate.
3.1.16
surface treatment
treatment involving a modification of the surface
3.1.17
thermal spraying
application of a coating by a process of projecting molten or heat-softened material from a source (gun)
onto any substrate (3.2.205)
3.1.18
zinc flake coating
coating containing metallic flakes (predominantly zinc) in a suitable binder, non-electrolytically applied
on fasteners and other parts by immersion or spraying, followed by curing (3.2.36)
Note 1 to entry: The term base coat (3.2.27) is often used as a synonym for zinc flake coating in cases where an
additional top coat (3.1.19) is applied.
3.1.19
top coat
additional layer with or without integral lubricant (3.2.142) applied on the substrate (3.2.205) in order
to achieve functional properties such as additional corrosion protection, torque-tension performance,
colour, chemical resistance
Note 1 to entry: Thickness of top coat layer is usually about 3 µm to 10 µm.
Note 2 to entry: Application of a top coat requires totally dried substrate.
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
Note 3 to entry: See sealant (3.2.186).
3.2 Terms used in the industry
3.2.1
acceleration
increase of the rate of a coating process by the use of chemical additives (3.2.3)
3.2.2
activation
elimination of a passive surface condition
3.2.3
addition agent
additive
substance added to a solution, usually in small amounts, to modify the characteristics of the solution or
the properties of the deposit obtained from the solution
3.2.4
adhesion
amount of force required to separate different layers of a coating, or a coating from its substrate
(3.2.205) and the area of the corresponding surface
3.2.5
anode corrosion
gradual dissolution or oxidation of a metal (known as anode), or dissolution of an anode material by the
electrochemical action in the electroplating (3.1.6) cell
Note 1 to entry: The dissolution of the anode by chemical action of the electrolyte (3.2.112) without current is
generally not called corrosion, but dissolution.
3.2.6
anode film
outer layer of the anode itself consisting of oxidation or reaction products of the anode
metal
3.2.7
anode film
layer of solution in contact with the anode that differs in
composition from the bulk of the solution
3.2.8
anodic oxidation coating
protective, decorative or functional coating composed mainly of metal oxide formed on a metal surface
(typically aluminium) by anodically polarising the metal in a suitable electrolytic solution (3.2.112)
3.2.9
anodic coating
metallic coating that is less noble than the basis metal
Note 1 to entry: Anodic coatings provide cathodic protection (3.2.35).
3.2.10
anodic oxidation
anodizing
electrolytic oxidation process in which the surface of a metal, when anodically treated, is converted to a
coating having desirable protective, decorative or functional properties
Note 1 to entry: See anodic oxidation coating (3.2.8).
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
3.2.11
anodic protection
anodic corrosion protection
protection of selected metals by externally applied current
EXAMPLE Stainless steel.
Note 1 to entry: The metal to be protected is polarized as the anode thus causing passivity (3.2.165) to the metal
protecting it from corrosion.
Note 2 to entry: Anodic protection requires external current supply as contact between different metals (galvanic
corrosion) cannot supply enough voltage. See cathodic protection (3.2.35).
3.2.12
anodizing line
total process on a production line which includes anodic oxidation (3.2.10)
3.2.13
anolyte
portion of the electrolyte (3.2.112) on the anode side of the diaphragm (3.2.99) in a divided cell (3.2.101)
3.2.14
anti-pitting agent
addition agent (3.2.3) for the specific purpose of preventing gas pits (3.2.170) in electrodeposits
Note 1 to entry: See wetting agent (3.2.216).
3.2.15
automatic machine
conveyer
machine for mechanically processing parts through treatment cycles, such as cleaning
(3.2.74), anodizing (3.2.10) or electroplating (3.1.6)
3.2.16
fully-automatic treatment
automatic treatment in which the work pieces (3.2.218) are automatically conveyed through successive
cleaning (3.2.74) and plating tanks
3.2.17
semi-automatic treatment
automatic treatment in which the work pieces (3.2.218) are conveyed automatically through only one
plating tank
3.2.18
auxiliary anode
supplementary anode employed during electrodeposition (3.1.6) to achieve a desired thickness
distribution of the electrodeposit
3.2.19
auxiliary cathode
thief
robber
cathode (3.2.64) placed so as to divert to itself some portion of the current from portions of the work
pieces (3.2.218) which otherwise receive a too high current density (3.2.89)
3.2.20
hydrogen embrittlement relief treating
treatment to reduce the risk of the occurence of hydrogen embrittlement (3.2.130)
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
3.2.21
mechanical barrel burnishing
smoothing of surfaces by tumbling (3.2.210) the work pieces (3.2.218) in rotary barrels in the presence
of metallic or ceramic shots or balls, and in the absence of an abrasive
3.2.22
barrel electroplating
electroplating (3.1.6) process in which electrodeposits are applied to articles in bulk in a rotating,
oscillating or otherwise moving container
3.2.23
barrel finishing
bulk processing in barrels, in either the presence or absence of abrasives or burnishing (3.2.60) shot for
the purpose of improving the surface finish (3.2.119)
Note 1 to entry: See tumbling (3.2.210).
3.2.24
barrel processing
mechanical, chemical, autocatalytic or electrolytic treatment of articles in bulk in a rotating or
otherwise oscillating container
3.2.25
barrier layer
non-porous part of an anodic oxidation coating (3.2.8) that separates the
pores (3.2.173) from the aluminium metal and has a thickness proportional to the bath voltage
3.2.26
barrier protection
coating of a substrate (3.2.205) by a more noble metal (3.2.157) than the substrate or other material (e.g.
lacquer), thus protecting the basis material (3.2.29) of the work (3.2.218) from corrosion by a closed
barrier layer (3.2.25), the protection is lost in case of coating damage
EXAMPLE Nickel and chromium on steel substrate; copper, nickel and chromium on steel or zinc substrate.
Note 1 to entry: See anodic protection (3.2.11).
3.2.27
base coat
suspension of inorganic binder containing metal flakes as the first layer of a coating on to
which other coatings are applied
3.2.28
base coat
layer of metal flakes and binders to which other coatings are applied
Note 1 to entry: Typical substrates (3.2.205) for top coat (3.1.19) application are zinc flake coating (3.1.18), zinc or
zinc/nickel alloy coating with or without passivation (3.2.163), and/or sealant (3.2.186).
3.2.29
basis material
base metal
material upon which coatings are deposited
Note 1 to entry: See substrate (3.2.205).
3.2.30
bipolar electrode
electrode that is not directly connected to the power supply but is so placed in the solution between
the anode and the cathode (3.2.64) that the part nearest to the anode becomes cathodic and the part
nearest to the cathode becomes anodic
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
3.2.31
black oxide
black finishing
blackening
finish (3.2.119) on metal produced by immersing it in hot oxidizing salts or salt solution, or in mixed
acid or alkaline solutions
3.2.32
blasting
process whereby solid metallic, mineral, synthetic resin, vegetable particles or water are projected at
high velocity against a work piece (3.2.218) for the purpose of cleaning (3.2.74) abrading or shot peening
(3.2.43) the surface
3.2.33
abrasive blasting
process for cleaning (3.2.74) or finishing by means of an abrasive directed at high velocity against the
work piece (3.2.218)
3.2.34
bead blasting
process whereby small spherical glass or ceramic beads are propelled against a metallic surface, carried
out either in a dry or wet state
3.2.35
cathodic protection
cathodic corrosion protection
ability of a coating to act as a sacrificial layer, thus protecting the metallic substrate (3.2.205) of the
work (3.2.218) from corrosion in case of coating damage
Note 1 to entry: In some countries, cathodic protection is sometimes misleadingly described as anodic protection
(3.2.11) as the metallic substrate (3.2.205) is protected by an anodic coating (3.2.9), for example, zinc or zinc alloy.
3.2.36
curing
process of heating the coating in order to obtain a solid, cross-linked and adherent layer, for example,
for zinc flake coatings (3.1.18), sealants (3.2.186) or top coats (3.1.19)
Note 1 to entry: Drying (3.2.40) can be included in the curing process or can replace curing.
3.2.37
cut-wire blasting
blasting (3.2.32) with short or cut lengths of metal wire
Note 1 to entry: See abrasive blasting (3.2.33).
3.2.38
dry ice blasting
blasting (3.2.32) with solid carbon dioxide particles on the surface of a material
3.2.39
dry-to-touch
condition of coated work pieces (3.2.218) in which no visibly discernible material is transferred when
they are manually gripped or touched by means of an absorbent material
3.2.40
drying
process eliminating either water or solvent, or both, from the coating, either at room temperature or by
heating
Note 1 to entry: Drying does not initiate polymer growth or bonding.
Note 2 to entry: See curing (3.2.36).
7
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SIST EN ISO 2080:2022
ISO 2080:2022(E)
3.2.41
grit blasting
abrasive blasting (3.2.33) with small irregular pieces of steel or malleable cast iron
Note 1 to entry: In Great Britain, this term can also apply to the use of non-metallic particles of similar shape, for
example, silicon carbide or aluminium oxide.
Note 2 to entry: Blasting (3.2.32) with sand is forbidden in most countries for reasons of health and safety.
3.2.42
shot blasting
process of modification of a surface by abrasive action of shots of a solid of spherical nature propelled at
a relatively high velocity against the work piece (3.2.218)
Note 1 to entry: See abrasive blasting (3.2.33) and shot peening (3.2.43).
3.2.43
shot peening
process in which hard, small spherical objects (e.g. metal shots or ceramic beads) are propelled against
a surface to introduce compressive stresses into the surface or for decorative effects
3.2.44
wet abrasive blasting
blasting (3.2.32) with a liquid medium or slurry containing abrasive particles
3.2.45
blister
dome-shaped defect in a coating arising from the loss of adhesion (3.2.4) between the coating and the
substrate (3.2.205)
3.2.46
blistering
flittering
occurrence of small metallic particles or flitters, often aligned with blisters (3.2.45) but that can also
occur without visual blisters (e.g. as delamination inside the metallic layer)
3.2.47
bloom
visible exudation or efflorescence on a surface
3.2.48
blueing
formation of a very thin blue oxide film on steel, either by heating in air or by immersion in oxidizing
solutions
3.2.49
bright dip
solution used to produce a bright surface on a metal
Note 1 to entry: See chemical brightening (3.2.69).
3.2.50
bright finish
finish (3.2.119) with a uniform, smooth surface of high reflectivity
3.2.51
bright electroplating
process that prod
...
SLOVENSKI STANDARD
oSIST prEN ISO 2080:2021
01-marec-2021
Kovinske in druge anorganske prevleke - Površinska obdelava kovinskih in drugih
anorganskih prevlek - Slovar (ISO/DIS 2080:2020)
Metallic and other inorganic coatings - Surface treatment, metallic and other inorganic
coatings - Vocabulary (ISO/DIS 2080:2020)
Metallische und andere anorganische Überzüge - Oberflächenbehandlung, metallische
und andere anorganische Überzüge - Wörterbuch (ISO/DIS 2080:2020)
Revêtements métalliques et autres revêtements inorganiques - Traitement de surface,
revêtements métalliques et autres revêtements inorganiques - Vocabulaire (ISO/DIS
2080:2020)
Ta slovenski standard je istoveten z: prEN ISO 2080
ICS:
01.040.25 Izdelavna tehnika (Slovarji) Manufacturing engineering
(Vocabularies)
25.220.40 Kovinske prevleke Metallic coatings
oSIST prEN ISO 2080:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 2080:2021
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oSIST prEN ISO 2080:2021
DRAFT INTERNATIONAL STANDARD
ISO/DIS 2080
ISO/TC 107 Secretariat: KATS
Voting begins on: Voting terminates on:
2020-11-02 2021-01-25
Metallic and other inorganic coatings — Surface treatment,
metallic and other inorganic coatings — Vocabulary
Revêtements métalliques et autres revêtements inorganiques — Traitement de surface, revêtements
métalliques et autres revêtements inorganiques — Vocabulaire
ICS: 25.220.40; 01.040.25
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 2080:2020(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2020
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oSIST prEN ISO 2080:2021
ISO/DIS 2080:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
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Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
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oSIST prEN ISO 2080:2021
ISO/DIS 2080:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General types of surface-finishing processes and treatments . 1
5 General terms . 3
Bibliography .28
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oSIST prEN ISO 2080:2021
ISO/DIS 2080:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 107, Metallic and other inorganic coatings.
This second/third/… edition cancels and replaces the first/second/… edition (ISO #####:####), which
has been technically revised.
iv © ISO 2020 – All rights reserved
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oSIST prEN ISO 2080:2021
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Introduction
The terms and definitions in this International Standard (a combined revision of ISO 2079 and ISO 2080)
apply to electroplating and other related surface-finishing processes. The terms and definitions are
not necessarily arranged in English alphabetical order. Related terms, giving different alternatives
for a given process, have been grouped under a leading term, as, for example, in the case of “chemical
plating”, “electrodeposition”, “blasting”, “cleaning” or “colour anodising”.
Basic terms and definitions relating to corrosion and electrochemical techniques used in corrosion
science are given in ISO 8044 and are not included. Basic terms used in chemistry, electrochemistry or
physics are also not included in this International Standard. The definitions for such terms can be found
in handbooks or dictionaries of chemistry or physics.
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oSIST prEN ISO 2080:2021
DRAFT INTERNATIONAL STANDARD ISO/DIS 2080:2020(E)
Metallic and other inorganic coatings — Surface treatment,
metallic and other inorganic coatings — Vocabulary
1 Scope
This International Standard describes general types of surface-finishing processes and provides
a vocabulary that defines terms related to these processes. Emphasis is placed on practical usage in
surface-finishing technology in the metal-finishing field. The vocabulary does not include definitions
and terms for porcelain and vitreous enamel, thermally sprayed coatings and hot-dip galvanizing for
which specialized vocabularies and glossaries exist or are in preparation. For the most part, basic terms
that have the same meaning in surface finishing as in other fields of technology, and that are defined in
handbooks and dictionaries of chemistry and physics, are not included.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
No terms and definitions are listed in this document.
4 General types of surface-finishing processes and treatments
4.1
chemical plating
deposition of a metallic coating by chemical, non-electrolytic methods
4.1.1
autocatalytic painting
electroless plating (deprecated)
deposition of a metallic coating by a controlled chemical reduction that is catalysed by the metal or
alloy being deposited
4.1.2
contact plating
deposition of a metal by use of an internal source of current by immersing the work (5.229) in contact
with another metal in a solution containing a compound of the metal to be deposited
4.1.3
immersion coating
metallic coating produced by a displacement reaction in which one metal displaces another from a
2+ 2+
solution, for example, Fe + Cu → Cu + Fe
4.2
chemical vapour deposition CVD
deposition of a coating by a chemical reaction, induced by heat or gaseous reduction of a vapour
condensing on a substrate (5.210)
4.3
conversion coating
conversion layer
coating obtained by conversion treatment (4.4)
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4.4
conversion treatment
chemical or electrochemical process producing a superficial layer containing a compound of the
substrate metal
EXAMPLE Passivation coatings on zinc, zinc alloys, aluminium and phosphate coatings on steel; chromate
conversion coating.
Note 1 to entry: Anodizing (5.9), although fulfilling the above definition, is not normally referred to as a conversion
coating process.
4.5
diffusion treatment
process of producing a surface layer (diffusion layer) by diffusion of another metal or non-metal into
the surface of the substrate (5.210) (often referred to as diffusion coating)
EXAMPLE diffusion treatment to form an alloy coating from two or more different
electroplated coatings.
(non-electroplating). Nitriding, curburising, sherardizing are diffusion treatments
Note 1 to entry: Post-coating heat treatment (5.130) after electroplating (4.6), for example, to remove hydrogen, is
not normally designated as a diffusion treatment.
4.6
Electroplating
Electrodeposition
deposition of an adherent coating of a metal or an alloy upon a substrate (5.210) by electrolysis for the
purpose of imparting properties or dimensions to a surface different from those of the basis metal (5.26)
4.7
galvanising
term, in English language used to describe hot-dip metal coating, in German language [Galvanotechnik
(noun), galvanisieren (verb)] used as synonym for electroplating (4.6)
4.8
hot dip metal coating
metallic coating obtained by dipping the basis metal (5.26) into a molten metal
Note 1 to entry: The traditional term “galvanizing” referring to zinc coatings obtained by immersion in a bath of
molten zinc, should always be preceded by “hot-dip”. The term “spelter galvanizing” should not be used for “hot-
dip metal coating”. For details of terms and definitions concerning “hot-dip galvanizing”, appropriate standards
related to that process are to be consulted.
4.9
mechanical coating, mechanical plating
process whereby hard, small spherical objects (such as glass shot) are tumbled against a metallic
surface, in the presence of finely divided metal powder (such as zinc dust) and appropriate chemicals
for the purpose of covering such surfaces with metal
Note 1 to entry: The terms “peen plating” and “mechanical galvanising” are not recommended.
4.10
metal cladding
application of a coating of one metal to another by mechanical fabrication techniques
4.11
metallizing
application of a metallic coating to the surface of non-metallic or non-conducting materials
Note 1 to entry: It is not recommended to use this term as a synonym of metal spraying (4.12) or in the sense of
depositing a metallic coating on a metal substrate (5.210).
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4.12
metal spraying
application of a metal by thermal spraying (4.17)
4.13
porcelain enamelling
vitreous enamelling
process for applying a substantially vitreous or glassy inorganic coating bonded to metal by fusion at a
temperature above approximately 425 °C
4.14
physical vapour deposition
PVD
process of depositing a coating by vaporizing and subsequently condensing an element or compound,
usually in a high vacuum
Note 1 to entry: cf. sputtering (5.201) and ion plating (5.139)
4.15
sherardizing
zinc diffusion coating process or diffusion treatment (4.5 to form a zinc alloy with the basis metals (5.26)
by heating the substrate with zinc. Mainly used to form a zinc/iron-alloy layer on a steel substrate
4.16
surface treatment
treatment involving a modification of the surface
Note 1 to entry: The term may be used in a restrictive sense excluding metallic coatings.
4.17
thermal spraying
application of a coating by a process of projecting molten or heat-softened material from a source (gun
onto any substrate (5.210)
5 General terms
5.1
accelleration
see post nucleation
5.2
activation
elimination of a passive surface condition
5.3
addition agent
additive
a substance added to a solution, usually in small amounts, to modify the characteristics of the solution
or the properties of the deposit obtained from the solution
5.4
adhesion
amount of force required to separate different layers of a coating, or a coating from its substrate (5.210)
and the area of the corresponding surface
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5.5
anode corrosion
gradual dissolution or oxidation of a metal (known as anode), or dissolution of an anode material by the
electrochemical action in the electroplating cell
Note 1 to entry: The dissolution of the anode by chemical action of the electrolyte without current is generally
not called corrosion, but dissolution.
5.6 anode film
5.6.1
anode film (anode itself)
outer layer of the anode itself consisting of oxidation or reaction products of the anode metal
5.6.2
anode film (solution contacting the anode)
layer of solution in contact with the anode that differs in composition from the bulk of the solution
5.7
anodic oxidation coating
protective, decorative or functional coating composed mainly of metal oxide formed on a metal surface
(typically aluminium) by anodically polarising the metal in a suitable electrolytic solution
5.8
anodic coating
metallic coating that is less noble than the basis metal (5.26). Anodic coatings provide cathodic
protection (5.32)
5.9
anodic oxidation anodizing
electrolytic oxidation process in which the surface of a metal, when anodically treated, is converted to a
coating having desirable protective, decorative or functional properties
Note 1 to entry: cf. anodic oxidation coating (5.7)
5.10
anodic protection
anodic corrosion protection
protection of selected metals e.g. stainless steel by externally applied current. The metal to be protected
is polarized as anode thus causing passivity to the metal protecting it from corrosion
Note 1 to entry: Anodic protection requires external current supply as contact between different metals (galvanic
corrosion) cannot supply enough voltage cf. cathodic protection (5.32).
5.11
anodising line
the total process on a production line which includes anodic oxidation
5.12
anolyte
in a divided cell (5.103), the portion of the electrolyte on the anode side of the diaphragm (5.100)
5.13
anti-pitting agent
addition agent (5.2) for the specific purpose of preventing gas pits in electrodeposits
Note 1 to entry: See also surface active agent (5.211) and wetting agent (5.227).
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5.14
automatic machine conveyer
〈electroplating〉 machine for mechanically processing parts through treatment cycles, such as cleaning,
anodising, or electroplating
5.15 automatic plating
5.15.1
fully-automatic treatment
automatic treatment in which the work pieces (5.229) are automatically conveyed through successive
cleaning (5.72) and plating tanks
5.15.2
semi-automatic treatment
automatic treatment in which the work pieces (5.229) pieces are conveyed automatically through only
one plating tank.
5.16
auxiliary anode
supplementary anode employed during electrodeposition (4.6) to achieve a desired thickness
distribution of the electrodeposit
5.17
auxiliary cathode thief robber
auxiliary cathode so placed as to divert to itself some portion of the current from portions of the work
pieces (5.229) which otherwise receive too high a current density (5.87)
5.18
baking
hydrogen embrittlement relief treating (deprecated), see (5.132.3)
5.19
barrel burnishing
smoothing of surfaces by tumbling the work pieces (5.229) in rotary barrels in the presence of metallic
or ceramic shot (or balls), and in the absence of abrasive
5.20
barrel electroplating
electroplating (4.6) process in which electrodeposits are applied to articles in bulk in a rotating,
oscillating or otherwise moving container
5.21
barrel finishing
bulk processing in barrels, in either the presence or absence of abrasives or burnishing shot for the
purpose of improving the surface finish
Note 1 to entry: cf. tumbling (5.219)
5.22
barrel processing
mechanical, chemical, autocatalytic, or electrolytic treatment of articles in bulk in a rotating or
otherwise oscillating container
5.23
barrier layer (of anodic oxidation coating)
non-porous part an anodic oxidation coating that separates the pores from the aluminium metal and
has a thickness proportional to the bath voltage
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5.24
barrier protection
coating of a substrate (5.210) by a more noble metal (5.161) than the substrate or other material e.g
lacquer thus protecting the basis metal (5.26) of the work from corrosion by a closed barrier layer. The
protection is lost in case of coating damage.
EXAMPLE Nickel + chromium on steel substrate, copper + nickel + chromium on steel or zinc substrate.
Note 1 to entry: cf. anodic protection (5.10)
5.25
base coat
zinc flake coating (5.230) in cases where an additional top coat is applied
5.26
basis material
base metal (deprecated)
material upon which coatings are deposited
Note 1 to entry: cf. substrate (5.210)
5.27
bipolar electrode
electrode that is not directly connected to the power supply but is so placed in the solution between the
anode and the cathode that the part nearest to the anode becomes cathodic and the part nearest to the
cathode becomes anodic
5.28
black oxide black finishing blackening
finish (5.121) on metal produced by immersing it in hot oxidizing salts or salt solution, or in mixed acid
or alkaline solutions
5.29
blasting
process whereby solid metallic, mineral, synthetic resin, vegetable particles or water are projected at high
velocity against a work piece (5.229) for the purpose of cleaning (5.72), abrading or shot peening the surface
5.30
abrasive blasting
process for cleaning (5.72) or finishing by means of an abrasive directed at high velocity against the
work (5.229) piece
5.31
bead blasting
process whereby small spherical glass or ceramic beads are propelled against a metallic surface, carried
out either in a dry or wet state
5.32
cathodic protection, cathodic corrosion protection
ability of a coating to act as a sacrificial layer thus protecting the basis metal (5.26) of the work from
corrosion in case of coating damage
Note 1 to entry: In some countries cathodic protection is sometimes misleading described as anodic protection
(5.10) as the basis metal (5.26) is protected by an anodic coating (5.8) e.g. zinc or zinc alloy.
5.33
curing
process of heating the coating in order to obtain a solid, cross linked and adherent layer, e.g. for zinc
flake coatings (5.230), sealants (5.191), or top coats (5.216)
Note 1 to entry: Drying (5.37) may be included in the curing process or can replace curing.
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5.34
cut-wire blasting
blasting (5.29) with short, or cut lengths of metal wire
Note 1 to entry: cf. abrasive blasting (5.30)
5.35
dry ice blasting
blasting (5.29) with solid dry ice particles (solid carbon dioxide) on the surface of a material
5.36
dry-to-touch
condition of coated work pieces (5.229) in which no visibly discernible material is transferred when
they are manually gripped or touched by means of an absorbent material
5.37
drying
process eliminating water and/or solvent from the coating, either at room temperature or by heating
Note 1 to entry: Drying does not initiate polymer growth or bonding.
Note 2 to entry: cf. Curing (5.33)
5.38
grit blasting
abrasive blasting (5.30) with small irregular pieces of steel or malleable cast iron
Note 1 to entry: In Great Britain, this term can also apply to the use of non-metallic particles of similar shape, e.g.
silicon carbide or aluminium oxide.
Note 2 to entry: Blasting (5.29) with sand is forbidden in most countries for reasons of health and safety.
5.39
shot blasting
process of modification of a surface by abrasive action of shots of a solid of spherical nature propelled at
a relatively high velocity against the work piece (5.229)
Note 1 to entry: cf. abrasive blasting (5.30), shot peening (5.40)
5.40
shot peening
process in which hard, small spherical objects, for example metal shot or ceramic beads, are propelled
against a surface to introduce compressive stresses into the surface or for decorative effects
5.41
wet abrasive blasting
vapour blasting GB
blasting (5.29) with a liquid medium or slurry containing abrasive particles
5.42
blister
dome-shaped defect in a coating arising from loss of adhesion (5.4) between the coating and
substrate (5.210)
5.43
blistering
flittering
occurrence of small metallic particles or flitters, often aligned with blisters (5.42) but can also occur
without visual blisters e.g. as delamination inside the metallic layer
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5.44
bloom
visible exudation or efflorescence on a surface
5.45
blueing
formation of a very thin blue oxide film on steel, either by heating in air or by immersion in oxidizing
solutions
5.46
bobbing
see polishing, mechanical (5.177)
5.47
bright dip
solution used to produce a bright surface on a metal
Note 1 to entry: cf. chemical brightening (5.67)
5.48
bright finish
finish (5.121) with a uniform, smooth surface of high reflectivity
5.49
bright electroplating
process that produces an electrodeposit having a high degree of specular reflectivity in the as-
electroplated condition
5.50
bright electroplating range
range of current densities (5.88) within which an electroplating (4.6) solution produces a bright deposit
under a given set of operating conditions
5.51
bright throwing power
measure of the ability of an electroplating solution or a specified set of electroplating conditions to
deposit uniformly bright electroplate upon an irregularly shaped cathode
5.52
brightener
addition agent (5.3) added to an autocatalytic and electroplating solution that leads to the formation of
a bright deposit
5.53
bronzing
application of a chemical finish (5.121) to copper or copper alloy surfaces (alternatively, to copper and
copper alloy electroplated coatings) to alter the colour
Note 1 to entry: Bronzing is not to be confused with electrodeposition (4.6) of bronze.
5.54
brush electroplating
method of electroplating (4.6) in which the solution is applied with a pad or brush, within which is the
anode, and that is moved over the cathode to be electroplated
5.55
brush electropolishing
method of electropolishing in which the solution is applied with a pad or brush, within which is a
cathode, and that is moved over the surface (anode) to be polished
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5.56
buffer
chemicals which are only partially dissociated in solution and which are added to a solution in order to
reduce the effect of additions of acid or alkali on its pH value
5.57
buffing
smoothing of a surface by mechanical means which may include abrasive particles
5.58
burnishing
smoothing of surfaces by rubbing, essentially under pressure, rather than the removal of the surface layer
5.59
burn-off
unintentional removal of an autocatalytic deposit from a non-conducting substrate (5.210) during
subsequent electroplating (4.6) operations, due to the application of excess current or to a poor
contact area
5.60
burnt deposit
rough, non-coherent or otherwise unsatisfactory electrodeposit produced by the application of an
excessively high current density (5.88), usually containing oxides or other inclusions
5.61
busbar
rigid conductor for carrying current, for example, to anode and cathode bars
5.62
cathode
electrode at which reduction occurs
5.63
cathode efficiency
proportion of the total cathode current which is used in depositing the metal concerned
5.64
cathode film
layer of solution in contact with the cathode, that differs in composition from the bulk of the solution
5.65
catholyte
electrolyte solution adjacent to the cathode, i.e. the portion of the electrolyte on the cathode side of the
diaphragm (5.99) in a divided cell (5.103)
5.66
chelating agent
chemical compound that combines with a metal to form a chelate, which is a chemical compound in
which metallic and non-metallic, usually organic, groups are combined
5.67
chemical brightening
non-electrolytic chemical process to produce a bright finish (5.121) on a metal surface
Note 1 to entry: cf. bright dip (5.47)
Note 2 to entry: Chemical brightening is not to be confused with chemical polishing (5.69).
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5.68
chemical milling
shaping of a work piece (5.229) by immersion in an etchant
Note 1 to entry: A resist (5.187) or mask may be employed for selective removal of material.
5.69
chemical polishing
improvement in surface smoothness of a metal by immersion in a suitable solution
5.70
chromate conversion coating
chromate layer
coating obtained by chromating (5.71)
Note 1 to entry: cf. conversion treatment (4.4)
5.71
chromating
process for producing a chromate conversion coating (5.70) by means of a solution containing chromium
compounds in the hexavalent form
Note 1 to entry: When chromium compounds in the trivalent form are used the term passivation (5.167) shall
be used.
5.72
cleaning
removal of foreign materials, such as oxides, scales (5.190), oil, etc. from a surface
5.72.1
acid cleaning
cleaning (5.72) by means of acid solutions
5.72.2
alkaline cleaning
cleaning (5.72) by means of alkaline solutions
5.72.3
anodic cleaning
electrolytic cleaning (5.72.7) in which the work (5.229) piece to be cleaned is the anode of the cell
5.72.4
biological degreasing
process of cleaning a metal with a specific soak cleaner (5.72.12) supported by oil consuming bacteria,
usually as an initial step in surface pre-treatment
5.72.5
cathodic cleaning
electrolytic cleaning (5.72.7) in which the work (5.229) piece to be cleaned is the cathode of the cell
5.72.6
diphase cleaning
cleaning (5.72) by means of a liquid system that consists of an organic solvent layer and an aqueous
layer; cleaning being effected both by solvent and emulsifying action
5.72.7
electrolytic cleaning
cleaning (5.72) in which direct current is passed through the solution, the work (5.229) piece to be
cleaned being one of the electrodes
Note 1 to entry: cf. anodic cleaning (5.72.3) and cathodic cleaning (5.72.5)
10 © ISO 2020 – All rights reserved
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oSIST prEN ISO 2080:2021
ISO/DIS 2080:2020(E)
5.72.8
emulsifiable solvent cleaning
two-stage cleaning (5.72) where solvents and surface active agents (5.211) are applied, emulsified, and
removed along with soil by water rinsing
5.72.9
emulsion cleaning
cleaning (5.72) by means of an emulsified liquid system that consists of an organic solvent, a water
phase and emulsifying agent
...
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