Effect of increase in r-value on press formability for cold-rolled steel sheet

被引：7
|
作者：
Kawabe, H
Matsuoka, S
Shimizu, T
Furukimi, O
Sakata, K
Ito, Y
机构：
[1] Kawasaki Steel Corp, Tech Res Labs, Sheet Lab, Chuo Ku, Chiba 2600835, Japan
[2] Kawasaki Steel Corp, Stainless Steel Lab, Sheet Lab, Chuo Ku, Chiba 2600835, Japan
[3] Toyota Motor Co Ltd, Stamping Prod Engn Div, Stamping Engn Dept 2, Toyota, Aichi 4748573, Japan
来源：
JSAE REVIEW | 2002年 / 23卷 / 01期
关键词：
D O I：
10.1016/S0389-4304(01)00169-2
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Press formability of cold-rolled steel sheet with high r-value was compared with conventional steel sheet. The effect of increase in r-value on press formability for cold-rolled steel sheet was discussed. Cold-rolled steel sheets with different r-value levels were prepared and a hat channel drawing test was applied to investigate formability. Lowering of frictional coefficient was found to result in good formability. Results indicated possible decrease in deformation resistance at flange portion and increase in main stress at fracture part with increase in r-value.
引用
收藏
页码：139 / 141
页数：3
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