Low-temperature shear banding for a Cu-based bulk-metallic glass

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題名:	Low-temperature shear banding for a Cu-based bulk-metallic glass
作者:	Qiao,JW;Jia,HL;Chuang,CP;Huang,EW;Wang,GY;Liaw,PK;Ren,Y;Zhang,Y
貢獻者:	化學工程與材料工程學系
關鍵詞:	DEFORMATION;FRACTURE
日期:	2010
上傳時間:	2012-03-27 16:25:27 (UTC+8)
出版者:	國立中央大學
摘要:	Compared to its mechanical behavior at 298 K, the fracture strain of a Cu(46)Zr(46)Al(8) bulk-metallic glass is slightly increased, but the maximum strength is distinctly increased by 13.3% at 77 K. At 77 K, the serrations in the stress strain curve disappear. Based on the calculation of the temperature rise within the shear bands and the heat conduction in the heat-affected zones, the large and instantaneous temperature rise and the rapid heat conduction are responsible for the disappearance of serrations upon shear banding. Crown Copyright (C) 2010 Published by Elsevier Ltd. on behalf of Acta Materialia Inc. All rights reserved.
關聯:	SCRIPTA MATERIALIA
顯示於類別:	[化學工程與材料工程學系 ] 期刊論文

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