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Free-volume-induced enhancement of plasticity in a monolithic bulk metallic glass at room temperature

Chen, L. Y. and Setyawan, A. D. and Kato, H. and Inoue, A. and Zhang, G. Q. and Saida, J. and Wang, X. D. and Cao, Q. P. and Jiang, J. Z. (2008) Free-volume-induced enhancement of plasticity in a monolithic bulk metallic glass at room temperature. SCRIPTA MATERIALIA, 59 (1). pp. 75-78.

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Abstract

The limited plasticity of bulk metallic glasses (BMGs) is commonly circumvented by introducing micrometer- or nanometer-sized heterogeneities (crystallites and/or phase separation) into the BMGs. In this work, we report the improvement of plasticity in a ternary monolithic BMG caused by a large amount of randomly distributed free volume induced during solidification using a high cooling rate. This indicates that introducing large amounts of free volume into BMGs might be another promising way of improving the plasticity of these materials. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type:Article
Uncontrolled Keywords:bulk amorphous alloy; plasticity; free volume
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
ID Code:5942
Deposited By:IoN
Deposited On:13 Apr 2010 09:55
Last Modified:13 Apr 2010 09:55

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