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1 590 MPa级船用高强钢电弧增材制造(WAAM)系统、成形路径及取样位置示意图

Fig.1 Schematics of wire arc additive manufacturing (WAAM) system (a), forming pathway (b), and sampling position (c) of 590 MPa grade marine high strength steel (ABB—Asea Brown Boveri, CMT—cold metal transfer, unit: mm)