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7 不同打印方式成形Al-Mg-Sc-Zr合金气孔分布结果[13]

Fig.7 Pore distribution results of WAAM Al-Mg-Sc-Zr alloys with different printing methods[13] (a-c) X-ray computed tomography images of pore in components with interlayer temperature 100 oC (named IW) (a) and continuous printing (named CP) (b), and the corresponding maximum pores (c) (d) diameter distribution of pores and partially englarged view (inset) (e) area fraction of pores layer by layer