热输入对电弧增材制造船用高强钢组织与力学性能的影响

侯旭儒, 赵琳, 任淑彬, 彭云, 马成勇, 田志凌

Effect of Heat Input on Microstructure and Mechanical Properties of Marine High Strength Steel Fabricated by Wire Arc Additive Manufacturing

HOU Xuru, ZHAO Lin, REN Shubin, PENG Yun, MA Chengyong, TIAN Zhiling

图11 WAAM构件A和B冲击断口表面下方的EBSD像

Fig.11 EBSD all-Euler maps below the impact fracture surface of WAAM components A (a, b) and B (c, d) (Yellow lines represent > 45° grain boundaries. Arrows show the crack propagation directions. Area E in Fig.11b shows the deflection of crack direction)