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Unified perspective on structural heterogeneity of a LaCe-based metallic glass from versatile dynamic stimuli

文献类型：期刊论文

作者Xu ZR6; Yang DS6; Qiao JC6; Pelletier JM5; Crespo D3,4; Pineda E3,4; Wang YJ(王云江)1,2
刊名INTERMETALLICS
出版日期2020-10-01
卷号125页码:8
ISSN号0966-9795
关键词Metallic glass Structural heterogeneity Dynamic mechanical relaxation Stress relaxation Creep
DOI10.1016/j.intermet.2020.106922
通讯作者Qiao, J. C.(qjczy@nwpu.edu.cn) ; Wang, Yun-Jiang(yjwang@imech.ac.cn)
英文摘要Dynamic mechanical relaxation, stress relaxation and creep were performed in a La56.16Ce14.0Ni19.8Al10 metallic glass with pronounced beta relaxation features. The evolution of the microstructural heterogeneity with tempera-ture is indirectly revealed via dynamic heterogeneity and analyzed in terms of several independent theoretical approaches. An apparent activation energy of beta relaxation is obtained by assuming the Arrhenius relationship, which is calibrated by either the activation enthalpy of stress relaxation or the activation energy of creep. It is found that similar deformation mechanisms accommodate the dynamics of the LaCe-based metallic glass under different types of external stimuli applied in mechanical experiments.
分类号二类/Q1
WOS关键词HIGH-TEMPERATURE DEFORMATION ; MECHANICAL-BEHAVIOR ; ELASTIC PROPERTIES ; INTERNAL-FRICTION ; TRANSITION ; FLOW ; CRYSTALLIZATION ; RELAXATION ; CREEP
资助项目NSFC[51971178] ; NSFC[11672299] ; Fundamental Research Funds for the Central Universities[3102019ghxm007] ; Fundamental Research Funds for the Central Universities[3102017JC01003] ; Astronautics Supporting Technology Foundation of China[2019-HT-XG] ; Natural Science Foundation of Shaanxi Province[2019JM-344] ; Opening fund of State Key Laboratory of Nonlinear Mechanics[LNM201911] ; MINECO[FIS2017-82625-P] ; Generalitat de Catalunya[2017SGR0042] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2017025]
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000567771600004
资助机构NSFC ; Fundamental Research Funds for the Central Universities ; Astronautics Supporting Technology Foundation of China ; Natural Science Foundation of Shaanxi Province ; Opening fund of State Key Laboratory of Nonlinear Mechanics ; MINECO ; Generalitat de Catalunya ; Youth Innovation Promotion Association of Chinese Academy of Sciences
其他责任者Qiao, J. C. ; Wang, Yun-Jiang
源URL[http://dspace.imech.ac.cn/handle/311007/85204]  
专题力学研究所_非线性力学国家重点实验室
作者单位1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China;
3.Univ Politecn Cataluna, Inst Tecn Energet, Barcelona 08019, Spain;
4.Univ Politecn Cataluna, Dept Fis, Barcelona Res Ctr Multiscale Sci & Technol, Barcelona 08019, Spain;
5.Univ Lyon, MATEIS, CNRS, UMR 5510,INSA Lyon, F-69621 Villeurbanne, France;
6.Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710072, Peoples R China;
推荐引用方式
GB/T 7714		 Xu ZR,Yang DS,Qiao JC,et al. Unified perspective on structural heterogeneity of a LaCe-based metallic glass from versatile dynamic stimuli[J]. INTERMETALLICS,2020,125:8.
APA Xu ZR.,Yang DS.,Qiao JC.,Pelletier JM.,Crespo D.,...&王云江.(2020).Unified perspective on structural heterogeneity of a LaCe-based metallic glass from versatile dynamic stimuli.INTERMETALLICS,125,8.
MLA Xu ZR,et al."Unified perspective on structural heterogeneity of a LaCe-based metallic glass from versatile dynamic stimuli".INTERMETALLICS 125(2020):8.

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来源：力学研究所

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