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ASTM D3762-03(2010)

Historical Revision

Standard Test Method for Adhesive-Bonded Surface Durability of Aluminum (Wedge Test) (Withdrawn 2019)

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1.1 This test method , simulates in a qualitative manner the forces and effects on an adhesive bond joint at metal-adhesive/primer interface. It has proven to be highly reliable in determining and predicting the environmental durability of adherend surface preparations. The method has proven to be correlatable with service performance in a manner that is much more reliable than conventional lap shear or peel tests (Note 2).

Note 1—While this test method is intended for use in aluminum-to-aluminum applications it may be used for determining surface durability of other metals and plastics provided consideration is given to thickness and rigidity of the adherends.

Note 2—This test method is not a quantitative fracture strength test method. To measure fracture strength see Test Method D3433.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

The test is primarily qualitative, but is very discriminating in determining variations in adherend surface preparation parameters and adhesive environmental durability. The test has found application in controlling surface preparation operations and in screening surface preparations, primer and adhesive systems for durability. In addition to determining crack growth rate and assigning a value to it, the adhesivejoint failure is evaluated and reported. For example, adhesion failure; cohesion failure; or adherend failure are noted after opening up the specimen at the conclusion of the test period.

SDO ASTM: ASTM International
Document Number D3762
Publication Date Oct. 1, 2010
Language en - English
Page Count 5
Revision Level 03(2010)
Supercedes
Committee D14.80
Publish Date Document Id Type View
Sept. 1, 2024 D3762-24 Revision
Oct. 1, 2010 D3762-03R10 Revision
Aug. 10, 2003 D3762-03 Revision
May 10, 1998 D3762-98 Revision