Durability of bonded assemblies - Predictive approach : Lifetime engineering of structural bonded joints

Lifetime engineering of structural bonded joints
Durability of bonded assemblies - Predictive approach

Authors : Jacques-Alain PETIT, Yves BAZIARD, Valérie NASSIET, Bouchra HASSOUNE-RHABBOUR

Publication date: April 10, 2006 | Lire en français

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3. Lifetime engineering of structural bonded joints

Based on the experimental approach to ageing structural bonded joints, several predictive models have been developed to establish an operational lifetime.

3.1 Experimental deterministic lifetime prediction

J. Cognard [165] , using the cleavage test, interprets the decrease in fracture energy of bonded joints, with stainless steel substrates, cleaved during the test as a decrease in the mechanical strength of the bonded joints during residence time in an aggressive atmosphere. Considering that the tensile strength σ of the joint is proportional to the square root of the fracture energy W _S[123] , the ratio...

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Lifetime engineering of structural bonded joints