Structural transformation and localization during simulated nanoindentation of a non-crystalline metal film

Details Structural transformation and localization during simulated nanoindentation of a non-crystalline metal film Structural transformation and localization during simulated nanoindentation of a non-crystalline metal film

2005-03-11

arxiv.org/abs/cond-mat/0503286v1

Applied Physics Letters 86 (1): Art. No. 011914 JAN 3 2005

Physics

Condensed Matter

Materials Science

13 pages, 3 figures

Scientific paper

10.1063/1.1844593

A simulation study demonstrates that localization can arise as the result of the breakdown of stable quasi-crystal-like atomic configurations. Samples produced at elevated quench rates and via more energetic processes contain a lower fraction of such configurations and exhibit significantly less pronounced localization and shorter spacing between bands. In the samples produced by the lowest quench rates localization is accompanied by the amorphization of material with initially quasi-crystal-like medium range order. This result is of particular significance in light of recent experimental evidence of local quasi-crystal order in the most stable of the bulk metallic glasses.

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