Micropillar compression studies on a bulk metallic glass in different structural states

Dubach, A. ; Raghavan, R. ; Löffler, J. F. ; Michler, J. ; Ramamurty, U. (2009) Micropillar compression studies on a bulk metallic glass in different structural states Scripta Materialia, 60 (7). pp. 567-570. ISSN 1359-6462

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.scriptamat.2008.12.013

Abstract

Uniaxial compression experiments on 0.3, 1 and 3 μ m diameter micropillars of a Zr-based bulk metallic glass in as-cast, shot-peened and structurally relaxed conditions were conducted. Shear band formation and stable propagation is observed to be the plastic deformation mode in all cases, with no detectable difference in yield strength according to either size or condition. The limitations of uniaxial compression tests in assessing the influence of various material conditions on plasticity, when it is inhomogeneous in nature, are illustrated.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Compression Test; Metallic Glasses; Plastic Deformation; Shear Bands; Free Volume
ID Code:62519
Deposited On:22 Sep 2011 03:11
Last Modified:22 Sep 2011 03:11

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