Chin. Phys. Lett.  2011, Vol. 28 Issue (3): 036201    DOI: 10.1088/0256-307X/28/3/036201
CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
Critical Free Volume Concentration of Shear Banding Instability in Metallic Glasses
LIU Long-Fei**, CAI Zhi-Peng, LI Hui-Qiang, ZHANG Guang-Ye, GUO Shi-Bo
Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan 411201
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LIU Long-Fei, CAI Zhi-Peng, LI Hui-Qiang et al  2011 Chin. Phys. Lett. 28 036201
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Abstract We present a model which predicts the critical free volume concentration of shear banding instability in metallic glasses (MGs). From the stability map, this model demonstrates that the prediction of shear band thickness is valid only for a short time after shear instability, and the diffusion of defects should be included in the mature shear band in MGs. The results agree well with the experimental observations and simulations.
Keywords: 62.20.F-      61.43.Dq     
Received: 15 October 2010      Published: 28 February 2011
PACS:  62.20.F- (Deformation and plasticity)  
  61.43.Dq (Amorphous semiconductors, metals, and alloys)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/28/3/036201       OR      https://cpl.iphy.ac.cn/Y2011/V28/I3/036201
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LIU Long-Fei
CAI Zhi-Peng
LI Hui-Qiang
ZHANG Guang-Ye
GUO Shi-Bo
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