Resistance heating characteristics of high-strength steel sheet blank for hot press forming

被引：6
作者：
Maki, Seijiro [1 ]
Tanaka, Yuuki [1 ]
Mori, Ken-Ichiro [1 ]
机构：
[1] Toyohashi Univ Technol, Dept Prod Syst Engn, Y Toyohashi, Aichi 4418580, Japan
来源：
ENGINEERING PLASTICITY AND ITS APPLICATIONS FROM NANOSCALE TO MACROSCALE, PTS 1 AND 2 | 2007年 / 340-341卷
关键词：
hot press forming; high-strength steel sheet; resistance heating;
D O I：
10.4028/www.scientific.net/KEM.340-341.749
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Resistance heating performance in some shaped blanks of high-strength steel sheet is examined by experiment and FE simulation, and the feasibility and effectiveness of the application of resistance heating to the hot press forming of high-strength steel sheet are discussed. The followings are made clear through this study. (1) A uniformly distributed current density is essential to uniform blank heating. (2) For a certain shaped blank, no matter how the electrodes are disposed, uniform blank heating is difficult. (3) A blank shape suitable for uniform heating by a single pair of parallel electrodes is restricted to a rectangle.(4) In case a uniformly heated blank is required, two-piece simultaneous forming with point-symmetric die layout is recommended from the viewpoint of material utilization.
引用
收藏
页码：749 / +
页数：2
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