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11 控制层间温度(100 ℃)和连续打印成形Al-Mg-Sc-Zr合金的微观组织[13]

Fig.11 Microstructures of WAAM Al-Mg-Sc-Zr alloys[13] (RZ—remelted zone, MZ—middle zone, TZ—top zone, FEG—fine equiaxed grain, CEG—coarse equiaxed grain) (a) interlayer temperature 100 oC (b) continuous printing