先进高强度汽车用钢氢致延迟断裂研究进展  

Study status of hydrogen induced delayed fracture of advanced high strength automotive steel

作　　者：陈亚军 邝霜 赵征志 CHEN Ya-jun;KUANG Shuang;ZHAO Zheng-zhi(Minmetals Development Co.,Ltd.,Beiing 100044.China;Tangsteel.Hebei lron and Steel Group,Tangshan 063016,Hebei,China;Collaborative Innovation Center of Steel Technology,University of Science and Technology Beijing,Beijing 100083,China)

机构地区：[1]五矿发展股份有限公司,北京100044 [2]河钢集团唐钢公司,河北唐山063016 [3]北京科技大学钢铁共性技术协同创新中心,北京100083

出　　处：《钢铁研究学报》2020年第4期265-272,共8页Journal of Iron and Steel Research

摘　　要：随着汽车、机械装备、航空航天、船舶等工业领域的快速发展,降低成本、提性减重、实现节能减排已成为各个行业为之努力而奋斗的目标,而高强度钢材是实现汽车工业产品轻量化和安全性的重要依托。然而,随着汽车用钢强度的不断提升,氢致延迟断裂问题越发突出,已经成为阻碍高强度汽车用钢广泛应用的一个关键因素。主要介绍先进高强度汽车用钢(热成形钢、双相(DP)钢、淬火-配分(Q&P)钢)最新的研究成果,并对其氢致延迟断裂特性、机制和测试评价技术方法等方面做了简要介绍,为相关领域的研究人员提供参考。With the rapid development of automobile,engineering machinery,aerospace and ships,to reduce costs,improve performance,energy conservation and emission reduction have become the goal of all industry.Meanwhile,high strength steel is an important support to realize lightweight and safety of automobile and other industrial products.However,with the increasing strength of automobile steel,hydrogen induced delayed fracture has been more and more prominent,which has become a key factor hindering the wide application of high strength automotive steel.The latest development trend of advanced high strength automobile steel(hot-stamped steel,DP steel,Q&P steel)was mainly introduced,and then its hydrogen induced delayed fracture characteristics,hydrogen induced delayed fracture mechanism and test methods were briefly introduced,which provide reference for researchers in related fields.

关 键 词：高强度 汽车用钢 氢致延迟断裂 氢陷阱 

分 类 号：TG142.1[一般工业技术—材料科学与工程] U465[金属学及工艺—金属材料]