980MPa级先进高强钢的发展  

Development of 980 MPa Grade Advanced High-Strength Steels

作　　者：张梅[1] 陈杨飞 许清 田贻博 王韬 甘露 陈荣 岑琼瑛 ZHANG Mei;CHEN Yangfei;XU Qing;TIAN Yibo;WANG Tao;GAN Lu;CHEN Rong;CEN Qiongying(School of Materials Science and Engineering,Shanghai University,Shanghai 200444,China;CAE Center,Shanghai Huizhong Automotive Manufacturing Co.,Ltd.,Shanghai 200122,China)

机构地区：[1]上海大学材料科学与工程学院,上海200444 [2]上海汇众汽车制造有限公司CAE中心,上海200122

出　　处：《上海金属》2024年第2期1-9,共9页Shanghai Metals

基　　金：国家重点研发计划(2017YFB0304402)。

摘　　要：选用轻量化汽车材料时应综合考虑材料的性能、质量和成本。目前,先进高强钢被广泛用于汽车工业。先进高强钢有双相钢、相变诱导塑性钢、马氏体钢、复相钢、淬火-配分钢、DH钢等。综述了980 MPa及以上高强钢的分类和主要钢种,汽车用高强钢的化学成分、显微组织、力学性能和使用性能,并结合实际零件的制造过程对这些高强钢的焊接和成形性能作了较深入的探讨,简述了其发展现状和研究进展。Performance,quality and cost of materials should be considered comprehensively in selecting light-weight automotive materials.At present,the advanced high-strength steels are widely used in the automobile industry.The advanced high-strength steels include dual-phase(DP)steel,transformation induced plasticity(TRIP)steel,martensite steel(MS),complex phase(CP)steel,quenching&partitioning(Q&P)steel,DH steel,etc.The classification and essential types of advanced high-strength steels with strength of 980 MPa and above,the chemical composition,microstructure,mechanical properties and operating properties of high-strength steels for automobile were summarized,and combined with the manufacturing processes of actual parts the weldability and formability of these high-strength steels were discussed in depth,the present situation of their development and the progress in research on them were also described briefly.

关 键 词：980MPa级先进高强钢 焊接技术 应用技术 

分 类 号：TG142.1[一般工业技术—材料科学与工程]