EFFECT OF STRUCTURAL RELAXATION ON THE DEFORMATION BEHAVIOR OF A Zr64.13Cu15.75Ni10.12Al10 BULK METALLIC GLASS UNDER NANOINDENTATION

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	EFFECT OF STRUCTURAL RELAXATION ON THE DEFORMATION BEHAVIOR OF A Zr64.13Cu15.75Ni10.12Al10 BULK METALLIC GLASS UNDER NANOINDENTATION
	Gu JS(谷建生); Wei BC(魏炳忱); Zhang TH(张泰华); Feng YH(冯义辉); Hu YP; Sun ZW(孙祉伟); Gu JS
会议录名称	INTERNATIONAL JOURNAL OF MODERN PHYSICS B
	2010
页码	2320-2325
会议名称	5th International Conference on Advanced Materials Development and Performance
会议日期	OCT 12-15, 2008
会议地点	Beijing, PEOPLES R CHINA
摘要	Structural relaxation by isothermal annealing below the glass transition temperature is conducted on a Zr64.13Cu15.75Ni10.12Al10 bulk metallic glass. The effect of structural relaxation on thermal and mechanical properties was investigated by differential scanning calorimetry and instrumented nanoindentation. The recovery of the enthalpy in the DSC curves indicates that thermally unstable defects were annihilated through structural relaxation. During nanoindentation, the structural relaxation did not have a significant influence on the serrated plastic flow behavior. However, Structural relaxation shows an obvious effect in increasing both the hardness and elastic modulus, which is attributed to the annihilation of thermally unstable defects that resulted from the relaxation.
关键词	Bulk Metallic Glass Structural Relaxation Defects Shear Bands Mechanical-behavior Free-volume Embrittlement Temperature Flow Ductility
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收录类别	CPCI（ISTP）
语种	英语
文献类型	会议论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/44300
专题	微重力重点实验室
通讯作者	Gu JS
推荐引用方式 GB/T 7714	Gu JS,Wei BC,Zhang TH,et al. EFFECT OF STRUCTURAL RELAXATION ON THE DEFORMATION BEHAVIOR OF A Zr64.13Cu15.75Ni10.12Al10 BULK METALLIC GLASS UNDER NANOINDENTATION[C]INTERNATIONAL JOURNAL OF MODERN PHYSICS B,2010:2320-2325.

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