A critical assessment of the block impact test for measuring the impact strength of adhesive bonds

A critical assessment of the block impact test for measuring the impact strength of adhesive bonds An analysis has been made of a commonly-used and widely-recommended impact test for adhesives, the Block Impact Test. It has been shown that this test has various limitations, related mainly to the difficulty in setting up the specimen and to the need to attach the impact apparatus rigidly to a stiff and heavy base. Finite element analysis has been used to indicate how the nature of the principal stresses in the adhesive depends on the precision with which the impactor comes into contact with the specimen. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Adhesion and Adhesives Elsevier

A critical assessment of the block impact test for measuring the impact strength of adhesive bonds

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Publisher
Elsevier
Copyright
Copyright © 1996 Elsevier Ltd
ISSN
0143-7496
DOI
10.1016/0143-7496(95)00050-X
Publisher site
See Article on Publisher Site

Abstract

An analysis has been made of a commonly-used and widely-recommended impact test for adhesives, the Block Impact Test. It has been shown that this test has various limitations, related mainly to the difficulty in setting up the specimen and to the need to attach the impact apparatus rigidly to a stiff and heavy base. Finite element analysis has been used to indicate how the nature of the principal stresses in the adhesive depends on the precision with which the impactor comes into contact with the specimen.

Journal

International Journal of Adhesion and AdhesivesElsevier

Published: May 1, 1996

References

  • Response of epoxy adhesives when stressed to failure in milliseconds
    Wegman, R.F.; O'Brien, E.L.

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