Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5306
Title: Size-affected shear-band speed in bulk metallic glasses
Authors: Liu, ZY
Yang, Y
Liu, CT
Issue Date: 24-Oct-2011
Source: Applied physics letters, 24 Oct. 2011, v. 99, no. 17, 171904, p. 1-3
Abstract: In this letter, we report an important experimental finding and theoretical analysis of the shear-band speed measured in a variety of bulk metallic-glasses. Unlike the prior work, in which the shear-band speed was regarded as a constant, our current study, based on carefully designed loading-holding cyclic tests, reveals that the speed of a shear band correlates with its resultant shear offset. Such a correlation arises as a “size” effect, which could be rationalized with the energy balance principle and shear-banding dynamics entailing initial shear softening and subsequent materials recovery.
Keywords: Metallic glasses
Shear strength
Size effect
Softening
Publisher: American Institute of Physics
Journal: Applied physics letters 
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.3656016
Rights: © 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Z. Y. Liu, Y. Yang and C. T. Liuc, Appl. Phys. Lett. 99, 171904 (2011) and may be found at http://link.aip.org/link/?apl/99/171904
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