[Updated on Apr. 18] Integration of CiNii Articles into CiNii Research

Propagation of Fatigue Cracks in Amorphous Metals(1)

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Abstract

type:紀要類(bulletin)

The properties of propagation of fatigue cracks in amorphous Pd-Si alloy have been examined with a view to clarifying the mechanism of dynamic fracture in amorphous materials. It was observed that both the plastic deformation near a fatigue crack and propagation of the crack are controlled by the stress intensity factor near the tip of the crack, and that the propagation of a crack in the amorphous metal strictly obeys the law which is theoretically derived. This may be due to the fact that amorphous metals are structurally simple and homogeneous, and moreover is a nearly ideal elastic and perfectly plastic solid.

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