Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4867
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Title: Thermodynamic origins of shear band formation and the universal scaling law of metallic glass strength
Authors: Liu, YH
Liu, CT
Wang, WH
Inoue, A
Sakurai, T
Chen, MW
Issue Date: 7-Aug-2009
Source: Physical review letters, 7 Aug. 2009, v. 103, no. 6, 065504, p. 1-4
Abstract: We report a universal scaling law, τ[sub y]=3R(T[sub g]-RT)/V, that uncovers an inherent relationship of the yield strength τ[sub y] with the glass transition temperature T[sub g] and molar volume V of metallic glasses. This equation is derived from fundamental thermodynamics and validated by various metallic glasses with well-defined yielding. The linearity between τ[sub y] and T[sub g] demonstrates the intrinsic correlation between yielding and glass-liquid transition, which contributes to the basic understanding of the strength and deformation of glassy alloys.
Keywords: Glass
Glass transition
Laws and legislation
Liquid metals
Thermodynamics
Publisher: American Physical Society
Journal: Physical review letters 
ISSN: 0031-9007
EISSN: 1079-7114
DOI: 10.1103/PhysRevLett.103.065504
Rights: Physical Review Letters © 2009 The American Physical Society. The Journal's web site is located at http://prl.aps.org/
Appears in Collections:Journal/Magazine Article

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