Determination and Application of Forming Limit Diagram of Aluminium Alloy 5083 Sheet

被引：0
|
作者：
Fang, Gang [1 ]
Zhao, Jia-Qing [2 ]
Wang, Qian [1 ]
机构：
[1] Tsinghua Univ, Dept Mech Engn, State Key Lab Tribol, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
来源：
INTERNATIONAL DEEP DRAWING RESEARCH GROUP 37TH ANNUAL CONFERENCE | 2018年 / 418卷
基金：
中国国家自然科学基金;
关键词：
DIGITAL IMAGE CORRELATION; ELEVATED-TEMPERATURES;
D O I：
10.1088/1757-899X/418/1/012054
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The present research was aimed to evaluate the formability of aluminium alloy 50830-O sheet. Two-dimensional DIC method was used to measure the strain field of uniaxial tensile specimens. The flow stress equation was obtained on the base of these measured strain and stress data. The influence of virtual gauge on strain measurement was analysed. The hemispherical punch tests were conducted, where three-dimensional DIC was used to measure the strains on the forming regions of aluminium sheets. The FLD of aluminium alloy 5083-O was established using these measured strain data. The data derived from the tests were applied in FE simulations of the inner panel of a car body. Comparison between the results of the experiments and the simulations showed that the necking and fracture of the aluminium alloy component during stamping could be accurately predicted.
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页数：8
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