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4 WAAM构件B的显微组织

Fig.4 3D microstructure (a), OM images of XOZ plane (b), YOZ plane (c), and XOY plane (d), bright field TEM image and SAED pattern (inset) of retained austenite (e), dark field TEM image of retained austenite (f), and TEM images of acicular ferrite (g, h) of WAAM component B