IMECH-IR  > 国家微重力实验室
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
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS B
2010
Pages2320-2325
Conference Name5th International Conference on Advanced Materials Development and Performance
Conference DateOCT 12-15, 2008
Conference PlaceBeijing, PEOPLES R CHINA
AbstractStructural 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.
KeywordBulk Metallic Glass Structural Relaxation Defects Shear Bands Mechanical-behavior Free-volume Embrittlement Temperature Flow Ductility
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Indexed ByCPCI(ISTP)
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44300
Collection国家微重力实验室
Corresponding AuthorGu JS
Recommended Citation
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],2010:2320-2325.
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