Induced elastic anisotropy in a bulk metallic glass

Concustell, A. and Godard-Desmarest, S. and Carpenter, M. A. and Nishiyama, N. and Greer, A.L. (2011) Induced elastic anisotropy in a bulk metallic glass. Scripta Materialia, 64 (12). pp. 1091-1094. DOI 10.1016/j.scriptamat.2011.02.028

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Abstract

Full evaluation of the elasticity tensor of a bulk metallic glass (Pd40Cu30Ni10P20) shows anisotropy induced by creep under uniaxial compression changing sign with increasing strain. Anisotropy due to anelastic strain is erased by zero stress annealing. At higher strain anisotropy of opposite sign suggests structural alignment by plastic flow. Induced anisotropy is most evident in the Poisson ratio, may relate to other properties, including the strength and toughness of metallic glasses, and may lead to misinterpretation of annealing effects.

Item Type: Article
Uncontrolled Keywords: 2011AREP; IA62;
Subjects: 03 - Mineral Sciences
Divisions: 03 - Mineral Sciences
Journal or Publication Title: Scripta Materialia
Volume: 64
Page Range: pp. 1091-1094
Identification Number: 10.1016/j.scriptamat.2011.02.028
Depositing User: Sarah Humbert
Date Deposited: 29 Apr 2011 16:31
Last Modified: 23 Jul 2013 10:02
URI: http://eprints.esc.cam.ac.uk/id/eprint/2057

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