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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
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume132Pages:58-62
AbstractThe 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.
description.department[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
KeywordMetallic Glass Crystallization Thermodynamics Kinetics Differential Scanning Calorimetry (Dsc)
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51471165]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78182
Collection中国科学院金属研究所
Corresponding AuthorYao, JH; Li, Y (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
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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