IMECH-IR  > 非线性力学国家重点实验室
A Correction Method of Elastic Modulus in Compression Tests for Linear Hardening Materials
Liu W(刘薇); Huan Y(郇勇); Dong J(董杰); Dai YJ(代玉静); Lan D(蓝鼎)
Source PublicationMRS Communications
2015-12
Volume5Pages:641-645
Abstract

A correction method for linear hardening materials is brought forward to obtain the true (or nearly true) modulus of cylindrical specimens with middle aspect ratios in compression tests. By considering the stress concentration near the interface between the specimen and the compression platen caused by slanted contact, a “sandwich” model is developed. A correction formula is derived and all parameters can be obtained from the tested stress–strain curve. Experiments were performed on Al 2024 specimens with four aspect ratios. The corrected results are closer to the intrinsic modulus than the tested values, which verify the effectiveness of the correction method.


DOI10.1557/mrc.2015.76
Indexed BySCI ; EI
Language英语
WOS IDWOS:000367378500014
DepartmentLNM实验平台
Classification二类/Q2
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58217
Collection非线性力学国家重点实验室
Recommended Citation
GB/T 7714
Liu W,Huan Y,Dong J,et al. A Correction Method of Elastic Modulus in Compression Tests for Linear Hardening Materials[J]. MRS Communications,2015,5:641-645.
APA Liu W,Huan Y,Dong J,Dai YJ,&Lan D.(2015).A Correction Method of Elastic Modulus in Compression Tests for Linear Hardening Materials.MRS Communications,5,641-645.
MLA Liu W,et al."A Correction Method of Elastic Modulus in Compression Tests for Linear Hardening Materials".MRS Communications 5(2015):641-645.
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