超轻钢车身——轿车将来用工艺和材料

Ultra Light Steel Auto Body-The Processes and Materials for Automobiles in the future

本文介绍世界钢铁业为了加强其在汽车特别是轿车用材中的竞争力,由世界32个钢铁公司组成超轻钢车身项目的进展情况、所应用的新工艺和材料的概况,包括汽车坯料剪裁拼焊技术、液压成形技术和热成形技术。

In order to strength the steel competition in auto industry, the project of ultra light steel auto body (ULSAB) comprising 32 steel companies in the world was set up. In this paper, the progress, new processes and new materials used in the project, including tailored blanking and auto blank welding, hydrofornling and hot forming etc. , are outlined.