6Farabi N, Chen D L, Li J. Microstructure and mechanical properties of laser welded DP600 steel joints [ J ]. Materials Science and Engineering A, 2010,527 : 1215 - 1222.
7许昌滏,周鹿宾.合金钢与高温合金[M].北京:北京航空航天大学出版社,1993.
8Xu W, Westerbaan D, Nayak S S, et al. Microstructure and fatigue performance of single and multiple linear fiber laser welded DP980 dual- phase steel[J]. Materials Science and Engineering A, 2012,553 : 51 - 58.
9Xia Mingsheng, Biro Elliot, Tian Zhiling, et al. Effects of heat input and martensite on HAZ softening in laser welding of dual phase steels [ ] ]. ISIJ International, 2008,48 ( 6 ) : 809- 814.
