电弧增材制造高强度Al-Mg-Sc系合金研究进展：冶金缺陷、微观组织和力学性能

马成勇, 侯旭儒, 赵琳, 阚成玲, 曹洋, 彭云, 田志凌

Research Progress on High-Strength Al-Mg-Sc Alloys Fabricated by Wire Arc Additive Manufacturing: Metallurgical Defects, Microstructure, and Performance

MA Chengyong, HOU Xuru, ZHAO Lin, KAN Chengling, CAO Yang, PENG Yun, TIAN Zhiling

图2 三种WAAM技术原理图[5]及其与冷金属过渡(CMT)技术的特点[26,27]

Fig.2 Schematics of three types of WAAM technologies (a-c)[5] and the characteristics of them and cold metal transfer (CMT) technologies (d)[26,27] (GMAW—gas metal arc welding, GTAW—gas tungsten arc welding, PAW—plasma arc welding) (a) GMAW-WAAM (b) GTAW-WAAM (c) PAW-WAAM