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5 H在铝合金固、液两相中的溶解度[46,47]

Fig.5 Schematics of hydrogen supersaturation during the solidification process[47] (a) and solubility of hydrogen in aluminum versus temperature[46] (b) (C—concentration, r—radial distance, V—interface growth velocity, R—radius at the interface, Cs* and Cl*—hydrogen concentrations in the solid and liquid phases on either side of the interface, respectively, Cl—actual concentration, CsolH—solubility of hydrogen in the aluminium melt, C0—initial hydrogen content)