EN 1966:2002
(Main)Structural adhesives - Characterisation of a surface by measuring adhesion by means of the three point bending method
Structural adhesives - Characterisation of a surface by measuring adhesion by means of the three point bending method
Strukturklebstoffe - Charakterisierung einer Oberfläche durch Messung der Adhäsion nach dem Dreipunkt-Biegeverfahren
Adhésifs structuraux - Caractérisation d'une surface par mesure de l'adhésion au moyen de la méthode de la flexion en trois points
La présente Norme européenne décrit une méthode d'essai dite " de flexion à trois points " pour déterminer l'aptitude d'un adhésif durci (éventuellement recouvert d'un primaire) à adhérer sur un substrat qui a subi un traitement de surface spécifique ou possède un certain état de surface.
Cette méthode est utilisée uniquement dans le cadre de l'assurance qualité, et il convient que le substrat soit suffisamment rigide et résistant à la flexion, comme l'acier ou les alliages d'aluminium. Pour les autres types de substrats, il convient que l'épaisseur soit ajustée sur le module d'élasticité ; il est également possible d'utiliser un raidisseur approprié.
Il convient que l'adhésif soit polymérisable (durci) sans pression afin d'obtenir l'épaisseur nécessaire pour apporter une rigidité suffisante ; dans le cas contraire, une pièce de renfort collée, du même type et de même épaisseur que le substrat, peut remplacer le bloc d'adhésif.
La méthode ne convient pas aux adhésifs en film.
Konstrukcijska lepila - Opredelitev površine z merjenjem oprijema po metodi tritočkovnega upogiba
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Strukturklebstoffe - Charakterisierung einer Oberfläche durch Messung der Adhäsion nach dem Dreipunkt-BiegeverfahrenAdhésifs structuraux - Caractérisation d'une surface par mesure de l'adhésion au moyen de la méthode de la flexion en trois pointsStructural adhesives - Characterisation of a surface by measuring adhesion by means of the three point bending method83.180LepilaAdhesivesICS:Ta slovenski standard je istoveten z:EN 1966:2002SIST EN 1966:2003en01-maj-2003SIST EN 1966:2003SLOVENSKI
STANDARDSIST ENV 1966:1998/AC:1998SIST ENV 1966:19981DGRPHãþD
SIST EN 1966:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1966November 2002ICS 83.180Supersedes ENV 1966:1995English versionStructural adhesives - Characterisation of a surface bymeasuring adhesion by means of the three point bendingmethodAdhésifs structuraux - Caractérisation d'une surface parmesure de l'adhésion au moyen de la méthode de laflexion en trois pointsStrukturklebstoffe - Charakterisierung einer Oberflächedurch Messung der Adhäsion nach dem Dreipunkt-BiegeverfahrenThis European Standard was approved by CEN on 16 October 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1966:2002 ESIST EN 1966:2003
EN 1966:2002 (E)2ContentspageForeword.31Scope.42Normative references.43Terms and definitions.44Principle.55Safety.66Apparatus.66.1Test piece preparation apparatus.66.1.1Device for moulding the adhesive.66.1.2Accessories.106.2Shapes and dimensions.116.3Substrate materials.116.4Test apparatus and measuring apparatus.117Preparation of substrate surfaces before bonding.128Preparation of test pieces.128.1Inserting substrates.138.2Inserting adhesive.148.3Hardening.148.4Opening the mould.148.5Conditioning the test pieces.149Test method.1410Expression of results.1411Test report.15SIST EN 1966:2003
EN 1966:2002 (E)3ForewordThis document (EN 1966:2002) has been prepared by Technical Committee CEN /TC 193, "Adhesives", thesecretariat of which is held by AENOR.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by May 2003, and conflicting national standards shall be withdrawn at the latest byMay 2003.This document supersedes ENV 1966:1995.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.SIST EN 1966:2003
EN 1966:2002 (E)41 ScopeThis European Standard describes a test method to determine ability of a cured adhesive (possibly with a primer)to adhere to a substrate which has had a certain surface finish or with a specific surface preparation by using the"three point bending method".It is only used for quality assurance and the substrate should be rigid or resistant enough to bending such as steelor aluminium alloys. For other substrates the thickness should be adjusted to the modulus of elasticity or a suitablestiffener should be used.The adhesive should be polymerisable (curable) without pressure in order to obtain the thickness needed toprovide sufficient rigidity, otherwise, a bonded reinforcing piece of the same type and same thickness as thesubstrate can be substituted for the bloc of adhesive.It is not suitable for film adhesives.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 923, Adhesives — Terms and definitions.EN 10025, Hot rolled products of non-alloy structural steels — Technical delivery conditions.EN 29142, Adhesives — Guide to the selection of standard laboratory ageing conditions for testing bonded joints(ISO 9142:1990).prEN 13887, Structural adhesives — Guidelines for surface preparation of metals and plastics prior to adhesivebondingEN ISO 291, Plastics — Standard atmospheres for conditioning and testing (ISO 291:1997).EN ISO 10365, Adhesives — Designation of main failure patterns (ISO 10365:1992).EN 20286-1, ISO system of limits and fits — Part 1: Bases of tolerances, deviations and fits (ISO 286-1:1998)3 Terms and definitionsFor the purposes of this European Standard, the terms and definitions given in EN 923 and the following apply.3.1interfacial zonezone where the physical, chemical and mechanical properties are different from those of substrate, the adhesive orany coating applied before bondingSIST EN 1966:2003
EN 1966:2002 (E)5Figure 1 - Schematic diagram of interfac
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