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Determination of uniaxial creep properties using equivalent factors by sharp indentation
Peng, Guangjian1; Zhang, Jiangfeng1; Xu, Fenglei2; Jiang, Weifeng1; Feng YH(冯义辉)3; Zhang, Taihua4
通讯作者Xu, Fenglei(xfl_hb@foxmail.com) ; Feng, Yihui(fengyh@lnm.imech.ac.cn)
发表期刊MATERIALS TODAY COMMUNICATIONS (IF:1.859[JCR-2018])
2024-12-01
卷号41页码:10
ISSN2352-4928
摘要The uniaxial creep properties, including the creep coefficient and stress exponent, are crucial to characterize the creep behavior of materials. Instrumented sharp indentation test (ISIT) is a non-destructive technique to characterize the uniaxial creep properties using the stress equivalent factor and strain rate equivalent factor. However, the strain hardening exponent of tested material is ignored in the contact model, leading to inaccurate estimation of uniaxial creep coefficient. Based on finite element simulations, the effects of the strain hardening exponent on equivalent factors were investigated. The relationships between the equivalent factors, the strain hardening exponent, and the yield strain were established. Indentation and uniaxial tests on Pb95Sn5 and Sn99Cu1 were conducted to validate the established equivalent factors. Then those factors were used to determine the uniaxial creep coefficient of Pb95Sn5 and Sn99Cu1 by ISIT. This work demonstrates the feasibility of measuring uniaxial creep properties of work hardened material by ISIT.
关键词Creep coefficient Equivalent factor Instrumented sharp indentation Finite element simulation Strain hardening exponent
DOI10.1016/j.mtcomm.2024.110653
收录类别SCI ; EI
语种英语
WOS记录号WOS:001336122800001
关键词[WOS]POWER-LAW CREEP ; PARAMETERS ; PB
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
资助项目National Natural Science Foundation of China[12172332] ; National Natural Science Foundation of China[12072009] ; National Natural Science Foundation of China[11727803] ; Zhejiang Provincial Natural Science Foundation of China[LZ23A020007] ; Fundamental Research Funds for the Provincial Universities of Zhejiang[RF-C2022003]
项目资助者National Natural Science Foundation of China ; Zhejiang Provincial Natural Science Foundation of China ; Fundamental Research Funds for the Provincial Universities of Zhejiang
论文分区二类
力学所作者排名1
RpAuthorXu, Fenglei,冯义辉
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/96979
专题非线性力学国家重点实验室
作者单位1.Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310023, Peoples R China;
2.Anhui Polytech Univ, Sch Mech & Automot Engn, Wuhu 241000, Peoples R China;
3.Chinese Acad Sci, State Key Lab Nonlinear Mech LNM, Inst Mech, Beijing 100190, Peoples R China;
4.Beihang Univ, Inst Solid Mech, Beijing 100191, Peoples R China
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GB/T 7714
Peng, Guangjian,Zhang, Jiangfeng,Xu, Fenglei,et al. Determination of uniaxial creep properties using equivalent factors by sharp indentation[J]. MATERIALS TODAY COMMUNICATIONS,2024,41:10.
APA Peng, Guangjian,Zhang, Jiangfeng,Xu, Fenglei,Jiang, Weifeng,冯义辉,&Zhang, Taihua.(2024).Determination of uniaxial creep properties using equivalent factors by sharp indentation.MATERIALS TODAY COMMUNICATIONS,41,10.
MLA Peng, Guangjian,et al."Determination of uniaxial creep properties using equivalent factors by sharp indentation".MATERIALS TODAY COMMUNICATIONS 41(2024):10.
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