Abstract
Microtensile tests were performed on a series of free-standing gold and gold–vanadium thin films at 200 °C and 400 °C. At these temperatures, significant strain rate and stress relaxation effects were observed, indicating the presence of substantial inelastic deformation at all compositions. The addition of vanadium was associated with higher proportional limit and reduced stress relaxation. However, despite the formation of a solid solution at all compositions studied, the expected dependence of strength on V concentration was not observed. The primary effect of vanadium alloying in gold films was to reduce the grain size, which was the likely cause of the increased resistance to inelastic deformation.
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