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Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling
Bai, F. X.; Yao, J. H.; Wang, Y. X.; Pan, J.; Li, Y.; Yao, JH; Li, Y (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2017-04-15
发表期刊SCRIPTA MATERIALIA
ISSN1359-6462
卷号132页码:58-62
摘要The crystallization behavior of Au50Cu25.5Ag7.5Si17 metallic glass during continuous heating/cooling and isothermal treatment is investigated by ultrafast calorimetry. The relationship between the transformation and the time/temperature scales of the alloy is established experimentally in a wide temperature range from glass transition temperature to the melting point. Temperature-dependent viscosity in the expanded supercooled liquid region is derived from the thermodynamic and kinetic analysis of the crystallization behavior of the metallic glass. The nucleation rate and growth velocity for crystallization of the supercooled liquid are analyzed by applying classical nucleation theory and diffusion-controlled growth theory. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; The crystallization behavior of Au50Cu25.5Ag7.5Si17 metallic glass during continuous heating/cooling and isothermal treatment is investigated by ultrafast calorimetry. The relationship between the transformation and the time/temperature scales of the alloy is established experimentally in a wide temperature range from glass transition temperature to the melting point. Temperature-dependent viscosity in the expanded supercooled liquid region is derived from the thermodynamic and kinetic analysis of the crystallization behavior of the metallic glass. The nucleation rate and growth velocity for crystallization of the supercooled liquid are analyzed by applying classical nucleation theory and diffusion-controlled growth theory. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
部门归属[bai, f. x. ; yao, j. h. ; wang, y. x. ; pan, j. ; li, y.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china
关键词Metallic Glass Crystallization Thermodynamics Kinetics Differential Scanning Calorimetry (Dsc)
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51471165]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78182
专题中国科学院金属研究所
通讯作者Yao, JH; Li, Y (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Bai, F. X.,Yao, J. H.,Wang, Y. X.,et al. Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling[J]. SCRIPTA MATERIALIA,2017,132:58-62.
APA Bai, F. X..,Yao, J. H..,Wang, Y. X..,Pan, J..,Li, Y..,...&Li, Y .(2017).Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling.SCRIPTA MATERIALIA,132,58-62.
MLA Bai, F. X.,et al."Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling".SCRIPTA MATERIALIA 132(2017):58-62.
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