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http://hdl.handle.net/10397/30127
Title: | Characteristic length scales governing plasticity/brittleness of bulk metallic glasses at ambient temperature | Authors: | Yang, Y Ye, JC Lu, J Liaw, PK Liu, CT |
Issue Date: | 2010 | Source: | Applied physics letters, 2010, v. 96, no. 1, 11905, p. 011905-1-011905-3 | Abstract: | In this letter, we propose a unified theory for the size-dependent plasticity of bulk metallic glasses (BMGs) at room temperature. Based on the principle of energy balance and the shear-banding kinetics, two characteristic length scales are derived. One is a sample-geometry dependent variable related to the elastic energy released to drive shear-band propagation and the other is a material-dependent constant related to the internal resistance to brittle fracture. It is shown that this unified theory is effective in explaining many unusual deformation and fracture behaviors of BMGs. | Publisher: | American Institute of Physics | Journal: | Applied physics letters | ISSN: | 0003-6951 | EISSN: | 1077-3118 | DOI: | 10.1063/1.3290246 | Rights: | © 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Y. Yang et al., Appl. Phys. Lett. 96, 011905 (2010) and may be found at https://dx.doi.org/10.1063/1.3290246 |
Appears in Collections: | Journal/Magazine Article |
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