Experimental and Numerical Determination of Hot Forming Limit Curve of Advanced High-Strength Steel

被引：6
作者：
Ma, B. L. [1 ]
Wan, M. [1 ]
Liu, Z. G. [2 ]
Li, X. J. [1 ]
Wu, X. D. [1 ]
Diao, K. S. [3 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Mech Engn & Automat, Beijing 100191, Peoples R China
[2] ASTAR, Inst High Performance Comp, Singapore 138632, Singapore
[3] Baosteel Grp, State Key Lab Dev & Applicat Technol Automot Stee, Shanghai 201900, Baoshan, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2017年 / 26卷 / 07期
关键词：
forming limit; high-strength steel; hot stamping; temperature path; ALLOY SHEET; FORMABILITY; 22MNB5; STRAIN; DIAGRAM; STRESS; HSS;
D O I：
10.1007/s11665-017-2751-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper studied the hot formability of the advanced high-strength steel B1500HS. The hot Nakazima tests were conducted to obtain the forming limit curve (FLC), and the sheet temperatures were recorded to analyze temperature distributions during deformation. Meanwhile, the numerical simulations of hot Nakazima tests were performed to compare with the experimental ones. By utilizing the commercial software, Abaqus, the punch force-displacement curve, sheet temperature distribution at the time of the maximum punch load and temperature path of the necked element were investigated from both of experiments and numerical simulations. The FLCs from experiment and numerical simulation showed a good agreement. The temperature path of the necked element on each FLC specimen was different due to the numerical stretching time and stress state. This study demonstrated the predictive capability of finite element simulation on hot stamping.
引用
收藏
页码：3299 / 3306
页数：8
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