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http://hdl.handle.net/10397/4867
| 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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|---|---|---|---|---|
| Liu_Thermodynamic_Shear_Metallic.pdf | 234.16 kB | Adobe PDF | View/Open |
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