Plasticity of Amorphous Alloys: 1. Homogeneous Deformation

Title
Plasticity of Amorphous Alloys: 1. Homogeneous Deformation
Authors
박경원이창면이재철
Keywords
amorphous alloy; free volume; short-range order; homogeneous deformation; plasticity
Issue Date
2009-11
Publisher
대한금속 . 재료학회지; Journal of the Korean Institute of Metals and Materials
Citation
VOL 47, NO 11, 759-772
Abstract
Amorphous alloys, in addition to being promising materials for a variety of practical applications, provide an excellent test bed for evaluating our understanding of the underlying physics on deformation in amorphous solids. Like many amorphous materials, amorphous alloys can exhibit either homogeneous or inhomogeneous deformation depending on the stress level. The mode of deformation has a strong influence on whether the material behavior is classified as ductile or brittle. It was observed that the characteristics of these deformations are largely dependent on the atomic-scale structures of the alloys and determine the amount of the plastic deformation prior to failure. In this study, the structural features that control the homogeneous deformation of amorphous alloys are outlined on the basis on experiments and molecular dynamics simulations.
URI
http://pubs.kist.re.kr/handle/201004/36828
ISSN
1738-8228
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KIST Publication > Article
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