The adhesion of the copper layer to the Al substrate depends on the presence of intermetallic phases. Such intermetallic phases can form during spraying at the boundary between the layer and the substrate. This paper deals with the formation mechanism of the intermetallic phases and their influence on the adhesion. The type, size, and distribution of the intermetallic phases are investigated as a function of the spray parameters. The adhesive strength of the layers is determined using the "Laser Shock Adhesion Test.". Paper includes a German-language abstract.

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