22MnB5热冲压钢的研究进展  

Development research on 22MnB5 hot stamping steel

作　　者：杨洪林[1,2] 张深根[1] 洪继要[2] 李俊[2] 

机构地区：[1]北京科技大学材料科学与工程学院,北京100083 [2]上海宝山钢铁股份有限公司研究院,上海201900

出　　处：《锻压技术》2014年第1期1-5,10,共6页Forging & Stamping Technology

基　　金：国家973项目"锌基镀层钢板在热成形过程的组织演变与控制"(2012CB723904)

摘　　要：22MnB5热冲压钢具有良好的成形性能和较高的成形强度,在提高车身的碰撞安全性和减轻车重方面具有显著的效果,使其在白车身上的应用越来越广。本文介绍了22MnB5热冲压钢的发展现状,对22MnB5热冲压钢的材料特性、奥氏体化工艺及冲压成形性能的最新研究进展进行了概括,结合22MnB5热冲压钢的镀层技术介绍了其焊接、涂镀、耐蚀等性能的研究进展。探讨了22MnB5热冲压钢的优势及存在的问题,指出热冲压钢镀层技术是将来发展的重要方向。22MnB5 hot stamping steel has good forming performance, high forming strength and obviously effects on improving crashwor- thiness and reducing vehicle weight, which makes more and more widely applications in white body. The development of 22MnB5 hot stamping steel was introduced, and the resent research progress on material characterization, austenitizing processes and stamping form- ability were illustrated. Combined with the coating technology of 22MnB5 hot stamping steel, the research progresses of welding, plating and corrosion resistant performance were introduced. The advantages and existing problems for 22MnB5 steel were discussed and it is pointed out that the coating technology of hot stamping steel is a important direction for future development.

关 键 词：22MnB5 马氏体 成形极限图 热冲压钢 热冲压钢镀层 

分 类 号：TG142.1[一般工业技术—材料科学与工程]