镁合金选区激光熔化增材制造技术研究现状与展望

彭立明, 邓庆琛, 吴玉娟, 付彭怀, 刘子翼, 武千业, 陈凯, 丁文江

Additive Manufacturing of Magnesium Alloys by Selective Laser Melting Technology: A Review

PENG Liming, DENG Qingchen, WU Yujuan, FU Penghuai, LIU Ziyi, WU Qianye, CHEN Kai, DING Wenjiang

表3 最优工艺参数下SLM态和后处理态镁合金的室温拉伸性能[20,28,31~35,39,46,55,63,66,74,75,79~82,84]

Table 3 Room-temperature tensile properties of the as-built and post-processed Mg alloys fabricated by SLM under optimized process parameters[20,28,31-35,39,46,55,63,66,74,75,79-82,84]

Alloy Chemical compositions of powder State YS UTS EL Ref. (mass fraction, %) MPa MPa % A9 Mg-9Al As-built - 274 1.09 [31] AZ91D Mg-8.95Al-0.44Zn-0.19Mn As-built 254 296 1.83 [28] AZ91D Mg-9.08Al-0.65Zn-0.23Mn As-built 265 298 2.0 [75] AZ91D + 5%SiCnp Mg-9.08Al-0.65Zn-0.23Mn + As-built 308 345 1.1 [75] 5% (volume fraction) SiCnp AZ91D Mg-9.08Al-0.65Zn-0.23Mn As-built 208 339 8.3 [39] AZ61 Mg-6.25Al-1.24Zn-0.27Mn As-built 233 287 3.1 [32] HIPed 126 274 8.2 [35] AZ31B Mg-2.97Al-0.89Zn As-built 183 212 7.9 [34] AZ31B/CNTs AZ31B + 1.5%CNTs As-built 245 286 - [74] AZX912 Mg-8.55Al-0.64Zn-1.81Ca-0.18Mn As-built 253 332 3.2 [33] Z1 Mg-1Zn As-built - 148 11.0 [46] ZK60 - As-built 137 246 15.5 [55] T4 107 224 16.7 T6 191 287 14.1 WE43 Mg-3.48Y-1.62Nd-0.71Gd-0.40Zr As-built 296 308 11.9 [63] WE43 - As-built 215 251 2.6 [66] T6 219 251 4.3 G10K Mg-10.17Gd-0.18Zr As-built 203 271 10.3 [84] T5 285 360 2.9 GZ112K Mg-11.00Gd-1.77Zn-0.43Zr As-built 332 351 8.6 [82] T4 281 311 14.4 T6 343 371 4.0 GZ151K Mg-13.57Gd-0.85Zn-0.30Zr As-built 345 368 3.0 [81] T5 410 428 3.4 GWZ1031K Mg-11.02Gd-2.41Y-0.96Zn-0.40Zr As-built 310 347 4.1 [20] T5 365 381 0.8 T4 255 328 10.3 T6 316 400 2.2