INDENTIFICATION OF JOHNSON-COOK CONSTITUTIVE MODEL PARAMETERS FOR HIGHT STRAIN RATE DEFORMATION

被引：0
|
作者：
Huang, Xicheng [1 ]
Zhu, Jianshi [2 ]
Hu, Wenjun [1 ]
机构：
[1] China Acad Engn Phys, Inst Struct Mech, Mianyang, Sichuan, Peoples R China
[2] Inst Appl Phys & Computat Math, Beijing, Peoples R China
来源：
ICEM15: 15TH INTERNATIONAL CONFERENCE ON EXPERIMENTAL MECHANICS | 2012年
关键词：
Johnson-Cook model; parameter determination; high strain rate; parameter identification;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This work presents a methodology to determine material parameters Johnson-Cook constitutive model. The direct method and optimization method identifying constitutive model parameters are proposed. The thermal effect and thermal-softening parameter in the model are also discussed. The methodology is applied in predicting Johnson-Cook constitutive model parameters of SS21-6-9.
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页数：7
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