IMECH-IR  > 非线性力学国家重点实验室
Alternative TitleConstitutive equations for dissimilar stainless steels laser-welded materials
魏延鹏; 吴先前; 虞钢; 段祝平
Source Publication爆炸与冲击
Other AbstractThe stress-strain curves of the 304 and 316L stainless steels laser-welded materials were obtained by using the equal strain test method.And obvious hardening behaviors due to the tiny crystal of the welded materials were noticed.The dynamic mechanical properties of the 304,316L and welded structure materials were experimentally investigated by SHTB at elevated temperature.Constitutive parameters for the 304 and 316L stainless steels were fitted according to dynamic experimental data.The numerical simulation for the welded structure materials in SHTB test was carried out by LS-DYNA and it was found that stress in the structure materials was non-equilibrium at the early loading stage due to material impedance difference.The strain rate-related parameters in Johnson-Cook constitutive equations for the welded materials were obtained by combining numerical calculation and experimental data.
Keyword固体力学 Johnson-cook本构方程 Shtb 焊缝材料
Subject Area力学
Indexed ByEI ; CSCD
Funding Organization国家自然科学基金项目(10832011)~~
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author魏延鹏
Recommended Citation
GB/T 7714
魏延鹏,吴先前,虞钢,等. 异种不锈钢激光焊缝材料的动态本构关系[J]. 爆炸与冲击,2011,31(5):455-462.
APA 魏延鹏,吴先前,虞钢,&段祝平.(2011).异种不锈钢激光焊缝材料的动态本构关系.爆炸与冲击,31(5),455-462.
MLA 魏延鹏,et al."异种不锈钢激光焊缝材料的动态本构关系".爆炸与冲击 31.5(2011):455-462.
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