Abstract
There are many advantages that structural adhesives can offer compared to the more traditional joining methods such as welding, bolting, mechanical fastening, etc. However, there are some issues, which have so far limited the wider application of adhesives. The most important of these is the lack of knowledge concerning the durability of adhesive joints upon exposure to an adverse environment which invariably tends to lead to interfacial failure. This has led to extensive studies aimed at evaluating the effects of moisture, and developing a better understanding of the mechanisms of failure. Unfortunately, most of the laboratory test methods involve lengthy timescales and the results are often difficult to interpret quantitatively. Therefore, a most important challenge facing the adhesive community is to develop accelerated test methods that can assess quantitatively durability of adhesive joints in a relatively short-time scale and are able to predict accurate the service life of adhesive joints under such conditions.
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