Journal
SCRIPTA MATERIALIA
Volume 59, Issue 8, Pages 802-805Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2008.05.049
Keywords
bulk amorphous alloy; plasticity; free volume; ECAP
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Funding
- Ministry of Science and Technology, Korea [R01-2004-000-10891-0]
- National Research Foundation of Korea [R01-2004-000-10891-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study examines the fundamental issue of whether an elastic shear stress imposed on amorphous alloys causes structural changes during quasistatic loading. In order to deliver elastic shear stress to the workpieces, a quasistatic shear deforming device was designed. With repeated application of elastic shear stress, the plasticity of the shear-deformed amorphous alloys increased while the yield strength decreased. These behaviors were analyzed from the perspective of the structural changes associated with the viscoelastic nature of amorphous alloys. (c) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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