Analytical Models for the Design of High Strength Steel Tailor Welded Blanks

摘要：

To further reduce the weight of tailor-welded blanks (TWBs) parts, the thicker material of conventional TWBs were replaced by high-strength steel (HSS). However, designers need to determine the thickness of HSS sheet by trial and error, without theoretical foundation. In this paper, analytical models were developed to predict the thickness or the mechanical parameters of HSS sheet. In the case of limit dome height (LDH) tests, simulations and experiments were performed to verify the accuracy of the proposed models in terms of LDH and weld line movement. Comparison to numerical and experimental results demonstrates the accuracy of the methodology. The analytical models can predict the mechanical characteristics or the thickness of HSS sheet used in place of the thicker side of TWBs, which provide designers a valuable tool to design HSS TWBs.

关键词： high-strength steel tailor-welded blanks prediction model synthetic strength

作者: CHEN Shui-sheng LIN Jian-ping LIU Jing WANG Bin

作者单位: School of Mechanical Engineering,Tongji,University, Shanghai 201804, China SAIC Motor Corporation Limited, Shanghai 201804, China

会议类型: 国际会议

会议名称: The 6th International Conference on High Strength Low Alloy Steels(第六届高强度低合金钢国际会议HSLA Steels2011)

会议地点: 北京

会议语种:英文

页码: 715-718

在线出版日期: 2011-05-31（万方平台首次上网日期，不代表论文的发表时间）