Au蒸着膜の引張り破壊 (II)

概要

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The mechanism of tensile fracture of vacuum-evaporated gold films was observed directly in the scanning electron microscope by mounting the film on aluminum substrate, using black vacuum wax. Gold films from 1800 to 3800 Å in thickness used in this study were heated at different temperatures ranging from 100 to 800 °C. The fracture propagates at a highly localized region of plastic deformation. This deformation involves slip were clearly shown by the crystallographic nature. It was found that high tensile strains occurred only in the films thinner than about 3000 Å. The fracture length increased uniformly with increasing temperature.
日本真空協会の論文