Effect of heat input on microstructure and impact toughness of on F69A4-ECM4-M4 metal-cored submerged arc welding wire deposited metal

Luxenburger G, Bockelmann M, Wolf P.High strength quenched and tempered (Q+T) steels for pressure vessels[J]. Pressure Vessels and Piping, 2004, 81(2): 159-171.[2] Thewlis G. Weldability of X100 linepipe[J]. Science and Technology of Welding and Joining, 2000, 5(6): 365-377.[3] Minagawa M, Ishida K, Funatsu Y,et al. 390 MPa yield strength steel plate for large heat-input welding for large container ships[J].Nippon Steel Technical Report, 2004, 380: 7-10.[4] 上田修三, 著, 钢结构的焊接[M]. 荆洪阳译. 北京: 冶金工业出版社, 2004.[5] 廖建国. 大线能量焊接用厚钢板的发展[J]. 宽厚板， 2002， 8(2)： 44-48.Liao Jianguo. Development in structural steel Plonts for High-heat Input welding[J]. Wide And Heavy Plate, 2002, 8(2): 44-48.[6] 宋风明， 李自刚， 钱大海. 大线能量焊接用结构钢的研究进展[J]. 热加工工艺， 2006， 35(19)： 69-72.Song Fengming, Li Zigang, Qian Dahai. Progress in ressarch of structural steels for large heat input welding[J]. Hot working Technology, 2006, 35(19): 69-72.[7] Carcia C I, Deardo A J. Study of the BS temperature in a molybdenum-containing ultra-low carbon bainitic steel for heavy plate applications[R]. Contractor Report, 1986.[8] 束德林. 金属力学性能[M]. 北京： 机械工业出版社, 1994.[9] 栗卓新， 陈邦固， 金立鸿， 等. 自保护药芯焊丝熔敷金属韧化的机理[J]. 焊接学报， 2001, 22(4)： 5-8.Li Zhuoxin, Chen Banggu, Jin Lihong,et al. Mechanism of Improvin toughness of self-shielded fux-cored wire[J]. Transactions of the China Welding Institution, 2001, 22(4): 5-8.[10] Wongpanya P, Boellinghaus T, Lothongkum G,et al. Effects of preheating and interpass temperature on stresses in S1100QL multi-pass butt-welds[J]. Welding in the World, 2008, 3(4): 79-92.[11] RECK V. Mechanical and microstructural properties of ultra-low carbon bainitic steel weld metal[D]. United States: Naval Postgraduate School, 1995.