RESEARCH ON PARAMETERS OF MMC FRACTURE CRITERION FOR ADVANCED HIGH STRENGTH DUAL-PHASE STEEL SHEETS

被引：1

作者：

Fu, Qiutao ^{[1
]}

LI, D. I. ^{[2
]}

Song, H. U., I ^{[1
]}

Liu, Xingfeng ^{[1
]}

Lu, Zipeng ^{[1
]}

Cui, Hongjian ^{[1
]}

机构：

[1] Shandong Univ Technol, Sch Traff & Vehicle Engn, Zibo, Peoples R China

[2] Shandong Univ Technol, Sch Transportat & Vehicle Engn, Zibo, Peoples R China

来源：

JOURNAL OF THEORETICAL AND APPLIED MECHANICS | 2022年 / 60卷 / 02期

关键词：

advanced high strength dual -phase steel; plasticity; shear fracture; modified Mohr; -Coulomb criterion; parameter correlation; BEHAVIOR; PREDICTION;

D O I：

10.15632/jtam-pl/147009

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

To predict the shear fracture, tests of advanced high-strength DP steels have been carried out, and fracture models of DP steels have been established using the MMC fracture model. The MMC fracture parameters were obtained through multiple sets of experiments and stress triaxiality solved by simulation. The result was verified by stretch-bending, Nakazima tests and simulations. It shows that the MMC criterion is suitable for predicting ductile fracture of DP980, 1180. The correlation between the parameters of the MMC criterion and DP steel material properties can reduce the amount of tests data required.

引用

页码：253 / 265

页数：13

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