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1 典型的商业化的镁粉

Table 1 Typical commercial grades of Mg powders

Type	Chemical composition (mass fraction, %)	Particle size distribution	Source
Pure Mg	Mg: 99 min.	315-630 μm	Eckart
	Mg: 99.5 min.	100-315 μm
	Mg: 97 min.	< 71 μm
Pure Mg	99.8 Mg	A: +200 mesh: 0.5% max.,	MEP
		-325 mesh: 60% max.;
		B: +200 mesh: 0% max.,
		-325 mesh: 95% min.
MAP + 21	Mg-2.7Nd-1.3Gd-0.3Zn-0.6Zr	A: < 150 μm, D₅₀ = 90 μm; B: < 25 μm
MAP + 43	Mg-4Y-3Nd-0.5Zr
MAP + 91	Mg-(8.5-9.5)Al-(0.45-0.9)Zn-(0.17-0.3)Mn
MAP 21	Mg-2.7Nd-1.3Gd-0.3Zn-0.6Zr	A: +80 mesh: 5% max., -325 mesh: 20% max.; B: +325 mesh: 5% max., -325 mesh: balance
MAP 43	Mg-4Y-3Nd-0.5Zr
MAP 91	Mg-(8.5-9.5)Al-(0.45-0.9)Zn-(0.17-0.3)Mn
AZ31B	Mg-3Al-1Zn-0.3Mn	80-325 mesh size: +325 mesh: 5% max
AZ91E	Mg-(8.5-9.5)Al-(0.45-0.9)Zn-(0.17-0.3)Mn
WE43B	Mg-4Y-3Nd-0.5Zr
Pure Mg	Mg: 99.9 min.	A: 15-53 μm; B: 20-63 μm; C: 100-200 mesh: D10, D50, D90 = 57, 81, 179 μm; D: 200-300 mesh: D10, D50, D90 = 46, 61, 85 μm; E: 300-500 mesh: D10, D50, D90 = 31, 42, 59 μm; F: -500 mesh: D10, D50, D90 = 21, 34, 52 μm;	TWMP
AZ91D	Mg-8.90Al-0.43Zn-0.19Mn
AZ31	Mg-2.8Al-0.7Zn-0.4Mn
WE43	Mg-4.01Y-3.04RE-0.51Zr
ZK60	Mg-5.6Zn-0.5Zr
ZK61	Mg-5.20Zn-0.33Zr
Mg-Al series	Mg∶Al = 60∶40, 55∶45, 50∶50, 40∶60, 20∶80, 10∶90
Mg-Zn series	Mg∶Zn = 95∶5, 90∶10, 70∶30, 50∶50, 30∶70, 20∶80, 10∶90