SIST EN ISO 2360:1999

Non-conductive coatings on non-magnetic basis metals - Measurement of coating thickness - Eddy current method (ISO 2360:1982)

Nichtleitende Überzüge auf nichtmagnetischen Grundmetallen - Messen der Schichtdicke - Wirbelstromverfahren (ISO 2360:1982)

In dieser Internationalen Norm ist ein Verfahren zur zerstörungsfreien Messung der Dicke nichtleitender Schichten auf nichtmagnetischen Grundmetallen mit Hilfe von Wirbelströmen festgelegt. Das Verfahren ist anwendbar auf Dickenmessungen der meisten durch anodische Oxydation erzeugten Oxidschutzschichten, von denen einige zu dünn sind, um nach diesem Verfahren gemessen zu werden (siehe Abschnitt 7). Obwohl das Verfahren theoretisch für die Messungen der Dicke von Schichten auf magnetischen Grundmetallen verwendet werden kann, wird seine Anwendung für diesen Zweck nicht empfohlen.

Revetements non conducteurs sur métal de base non magnétique - Mesurage de l'épaisseur - Méthode des courants de Foucault (ISO 2360:1982)

Neprevodne prevleke na nemagnetnih osnovnih kovinah - Merjenje debeline prevleke - Metoda vrtinčnih tokov (ISO 2360:1982)

General Information

• Status: Withdrawn
• Publication Date: 30-Sep-1999
• Withdrawal Date: 30-Nov-2004
• ICS: 17.040.20 - Properties of surfaces
• ICS: 25.220.20 - Surface treatment
• Technical Committee: IPKZ - Protection of metals against corrosion
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 01-Dec-2004
• Due Date: 01-Dec-2004
• Completion Date: 01-Dec-2004
• Ref Project: EN ISO 2360:1995 - Non-conductive coatings on non-magnetic basis metals - Measurement of coating thickness - Eddy current method (ISO 2360:1982)

Relations

• Replaced By: SIST EN ISO 2360:2004 - Non-conductive coatings on non-magnetic electrically conductive basis materials - Measurement of coating thickness - Amplitude-sensitive eddy current method (ISO 2360:2003)
• Effective Date: 01-Dec-2004

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 2360:1999
01-oktober-1999
1HSUHYRGQHSUHYOHNHQDQHPDJQHWQLKRVQRYQLKNRYLQDK0HUMHQMHGHEHOLQH
SUHYOHNH0HWRGDYUWLQþQLKWRNRY,62
Non-conductive coatings on non-magnetic basis metals - Measurement of coating
thickness - Eddy current method (ISO 2360:1982)
Nichtleitende Überzüge auf nichtmagnetischen Grundmetallen - Messen der
Schichtdicke - Wirbelstromverfahren (ISO 2360:1982)
Revetements non conducteurs sur métal de base non magnétique - Mesurage de
l'épaisseur - Méthode des courants de Foucault (ISO 2360:1982)
Ta slovenski standard je istoveten z: EN ISO 2360:1995
ICS:
17.040.20 Lastnosti površin Properties of surfaces
25.220.20 Površinska obdelava Surface treatment
SIST EN ISO 2360:1999 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 2360:1999

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SIST EN ISO 2360:1999

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SIST EN ISO 2360:1999

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SIST EN ISO 2360:1999

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SIST EN ISO 2360:1999

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SIST EN ISO 2360:1999
International Standard
INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONWlEIK,WHAPOJWAR OPI-AHM3AWlR fl0 CTAH~APTM3ALU ’WlWRGANISATION INTERNATIONALE DE NORMALISATION
Non-conductive coatings on non-magnetic basis metals -
Measurement of coating thickness - Eddy current
method
RevtGtements non conducteurs sur m&l de base non magnhique - Mesurage de l ’@aisseur - AMhode des courants
de Foucault
Second edition - 1982-08-01
Ref. No. ISO 2360-1982 (EI
UDC 621.794 : 621.317.432 : 531.717
dimensional measurements, thicknkss, eddy current tests.
Descriptors : non-metallic coatings, Oxide coatings,
Price based on 3 pages

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SIST EN ISO 2360:1999
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of
national Standards institutes (ISO member bedies). The work of developing lnterna-
tional Standards is carried out through ISO technical committees. Every member body
interested in a subject for which a technical committee has been set up 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.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the ISO Council.
International Standard ISO 2360 was developed by Technical Committee ISO/TC 107,
MetaNc and other non-organic coatings, and was circulated to the member bodies in
November 1980.
lt has been approved by the member bodies of the following countries :
Australia India South Africa, Rep. of
Bulgaria Italy Spain
Sweden
Czechoslovakia Japan
Egypt, Arab Rep. of Netherlands Switzerland
France Poland United Kingdom
Germany, F. R. Portugal USA
Hungary Romania USSR
No member body expressed disapproval of the document.
This second edition cancels and replaces the first edition (i.e. ISO 23604972).
0 International Organkation for Standardkation, 1982 l
Printed in Switzerland

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SIST EN ISO 2360:1999
ISO 236091982 (E)
INTERNATIONAL STANDARD
Non-conductive coatings on non-magnetic basis metals -
Measurement of coating thickness - Eddy current
method
If measuring coatings of thickness 5 Pm or less, it is advisable
1 Scope and field of application
to take the average of several readings.
This International Standard specifies the method of using eddy
lt may be impossible to obtain the accuracy requirement
current instruments for non-destructive measurements of the
specified in clause 7 with coatings of thickness less than 3 Fm.
thickness of non-conductive coatings on non-magnetic basis
metals.
The method is applicable for measurements of the thickness of 4.2 Electrical properties of the basis metal
most Oxide coatings produced by anodizing, but it is not ap-
plicable to all conversion coatings, some of which are too thin Measurements using eddy current instruments tan be affected
to be measured by this method (see clause 7). by the electrical conductivity of the basis metal, which is a
function of the composition and heat treatment of the material.
the method tan be used for The influence of electrical conductivity on the measurement
Although, theoretically,
measurements of the thickness of coatings on magnetic basis varies considerably with the make and type of instrument.
metals, its use for this application is not recommended. In such
cases, the magnetic method specified in ISO 2178 should be
used.
4.3 Basis metal thickness
For each instrument, there is a critical thickness of basis metal
2 Reference above which measurements will not be affected by an increase
in thickness. Since this thickness depends on both the measur-
ISO 2178, Non-magnetic coatings on magnetic Substrates - ing frequency of the probe System and the electrical conduc-
Measurement of coating thickness - Magnetit method. tivity of the basis metal, its value should be determined exper-
imentally, unless it is specified by the manufacturer.
In general, for a given measuring frequency, the higher the
3 Principle
conductivity of the basis metal, the smal,ler is its critical
thickness. For a given basis metal, the higher the measuring
Eddy current instruments work on the principle that a high fre-
frequency, the smaller is the critical thickness of the basis
quency electromagnetic field generated in the probe System of
metal.
the instrument will produce eddy currents in a conductor upon
which the probe is placed, and that the amplitude and Phase of
these currents is a function of the thickness of a non-
4.4 Edge effects
conductive coating present between the conductor and the
probe.
Eddy current instruments are sensitive to abrupt changes in the
surface contour of the test specimen. Therefore, measure-
ments made too near an edge or inside corner will not be valid
4 Factors affecting the measuring accuracy
unless the instrument is specifically calibrated for such
measurements.
The following factors may affect the accuracy of measure-
ments of coating thickness.
4.5 Curvature
4.1 Coating thickness
Measurements are affected by the curvature of the test
specimen. The influence of curvature varies considerably with
A measuring uncertainty is inherent in the method. For thin
the make and type of instrument, but always becomes more
coatings, this measuring uncertainty (in absolute terms) is con-
stant, independent of the coating thickness, and, for a pronounced as the radius of curvature decreases.
Measurements made on curved test specimens will not,
Single measurement, is at least 0,5 Fm. For coatings thicker
therefore, be valid unless the instrument is specifically
than about 25 Fm, this uncertainty is an approximately co
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