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高应变率下材料本构模型参数的获得方法
Alternative TitleMethod for obtaining material constitutive model parameter at high strain rates
陈松林; 赵吉宾; 乔红超; 杨灏
Department装备制造技术研究室
Source Publication中国有色金属学报
ISSN1004-0609
2015
Volume25Issue:12Pages:3381-3388
Indexed ByEI ; CSCD
EI Accession number20160501878266
CSCD IDCSCD:5625381
Contribution Rank1
Funding Organization国家自然科学基金资助项目(51501219) ; 辽宁省自然科学基金资助项目(2015020115)
Keyword钛铝合金 本构模型 高应变率 激光冲击强化 有限元模拟
Abstract为了获得材料在高应变率下的本构模型参数,提出一种基于激光冲击强化实验和有限元模拟相结合的材料本构模型参数获得方法。该方法首先预估材料在高应变率下的本构模型参数,然后进行有限元模拟,以模拟结果与实验结果对比的误差落在一定范围内为优化目标,对预估的本构模型参数进行修正,并最终得到其具体值。基于此方法,得出TiAl合金在高应变率下的Hugoniot弹性极限(HEL)为1.46 GPa。
Other AbstractIn order to obtain the material constitutive model parameter at high strain rates, a new method was put forward based on the laser peening experiment and finite element simulation. Firstly, the constitutive material model parameter was estimated. Secondly, the finite element simulation was undertook with the change of predicted parameter until the error of the simulation results compared with the experimental results falling into a certain range, and then, the estimated parameter specific value was gotten. Based on this method, the Hugoniot elastic limit (HEL) of TiAl alloys at high strain rates was gotten as 1.46 GPa.
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/17626
Collection智能产线与系统研究室
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院大学
Recommended Citation
GB/T 7714
陈松林,赵吉宾,乔红超,等. 高应变率下材料本构模型参数的获得方法[J]. 中国有色金属学报,2015,25(12):3381-3388.
APA 陈松林,赵吉宾,乔红超,&杨灏.(2015).高应变率下材料本构模型参数的获得方法.中国有色金属学报,25(12),3381-3388.
MLA 陈松林,et al."高应变率下材料本构模型参数的获得方法".中国有色金属学报 25.12(2015):3381-3388.
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