Journal
APPLIED PHYSICS LETTERS
Volume 92, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2919722
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Although fatigue failure is well documented in metallic glasses, the mechanism responsible for damage accumulation during cyclic loading below the yield point remains elusive. This letter describes a high-resolution nanomechanical study of an Fe-based bulk metallic glass subjected to cyclic loading in the nominal elastic range. An increase in the yield load was observed with an increasing number of subyield loading cycles, providing a clean documentation of kinematic irreversibility in very small volumes of material that experience no shear bands either prior to or during cyclic loading. (C) 2008 American Institute of Physics.
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