financially supported by the National Natural Science Foundation of China(Grant Nos.51274063 and 51305285);the National Program on Key Basic Research Project(Grant No.2011CB606306-2);the Open Research Fund from the State Key Laboratory of Rolling and Automation,Northeastern University(Grant No.2016005);the Project Funded by China Postdoctoral Science Foundation(Grant No.2016M601877)
The microstructure and mechanical properties(strength, fatigue and formability) of dissimilar/similar weld joints between DP780 and DP980 steels were studied. The microstructure in fusion zone(FZ) was lath martens...