GMW GMW14706-2012 Adhesion Evaluation of Adhesives and Sealants Body in White Issue 2 English.pdf

1、WORLDWIDEENGINEERINGSTANDARDSTest Procedure GMW14706Adhesion Evaluation of Adhesives and Sealants, Body in White Copyright 2012 General Motors Company All Rights ReservedSeptember 2012 Originating Department: GME Specification Center Page 1 of 21 ScopeNote: Nothing in this standard supercedes applic

2、able laws and regulations.Note: In the event of conflict between the English and domestic language, the English language shall takeprecedence.1.1 Purpose. Determination of the adhesion of adhesives and sealants used in body in white to substrates onwhich these materials are employed.1.2 Foreword. Th

3、is standard evaluates the adhesion performance (separation mode) by peeling off the curedadhesive from metal sheets.1.3 Applicability. Not applicable.2 ReferencesNote: Only the latest approved standards are applicable unless otherwise specified.2.1 External Standards/Specifications.ISO 103652.2 GM S

4、tandards/Specifications.GMW154773 Resources3.1 Facilities. Not applicable.3.2 Equipment.3.2.1 Pliers.3.2.2 Spatula.3.3 Test Vehicle/Test Piece.4.1 Substrates. Substrates and corrosion protection/forming oils shall be taken from the relevant materialspecification.4.2 Adhesives. Adhesive/Sealant (body

5、 in white) to be tested.3.4 Test Time. Not applicable.3.5 Test Required Information. Not applicable.3.6 Personnel/Skills. Not applicable.4 Procedure4.1 Preparation. The test samples shall be prepared according to GMW15477 and then be cured according tothe curing schedule of the respective material s

6、pecification.4.2 Conditions.4.2.1 Environmental Conditions.4.2.2 Test Conditions. Deviations from the requirements of this standard shall have been agreed upon. Suchrequirements shall be specified on component drawings, test certificates, reports, etc.Copyright General Motors Company Provided by IHS

7、 under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW14706 Copyright 2012 General Motors Company All Rights ReservedSeptember 2012 Page 2 of 24.3 Instructions.4.3.1 The test samples prepared

8、 according to paragraph 4.1 shall be passed through the tests and storageconditions as required in the respective material specification.4.3.2 To test the adhesion (separation mode) of constrained adhesives and sealants (see GMW15477) thesecond test sheet shall be peeled off by hand with a pliers at

9、 an angle of 90.4.3.3 To test the adhesion (separation mode) of unconstrained adhesives and sealants (see GMW15477) thematerial shall be peeled off by hand with a spatula at an angle of 90.5 Data5.1 Calculations. Not applicable.5.2 Interpretation of Results. Separation mode evaluation and rating sha

10、ll be performed according toISO 10365.5.3 Test Documentation. With reference to this Test Procedure the results shall be summarized in a testreport.6 SafetyThis standard may involve hazardous materials, operations, and equipment. This standard does not propose toaddress all the safety problems assoc

11、iated with its use. It is the responsibility of the user of this standard toestablish appropriate safety and health practices and determine the applicability of regulatory limitations priorto use.7 Notes7.1 Glossary. Not applicable.7.2 Acronyms, Abbreviations, and Symbols. Not applicable.8 Coding Sy

12、stemThis standard shall be referenced in other documents, drawings, etc., as follows:Adhesion to GMW147069 Release and RevisionsThis standard was originated in October 2005. It was first approved by Global Materials Team in March 2007.It was first published in March 2007.Issue Publication Date Descr

13、iption (Organization)1 MAR 2007 Initial publication.2 SEP 2012 5 year refresh update; conversion into new templateParagraph 4.3 (was 5.3) and paragraph 5.2 (was 6) reworked (Adhesive GSSLT)Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-