Abstract:When copper/epoxy joints are pretreated with 1 wt.-% solution of y-aminopropyltriethoxysilane (y-APS) in ethanol, the coordination between the copper ions and the amino groups of y-APS and 4,4'-diaminodiphenylmethane could bring about self-reinforcement of the metaVadhesive interphase when the joints were exposed in 3% aqueous NaCl solutions for 160 d. This is also confirmed with a model experiment by pretreating the aluminium substrates with y-APS solution containing moderate amounts of copper salts and subse… Show more
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