From: Microstructure, Properties and Crack Suppression Mechanism of High-speed Steel Fabricated by Selective Laser Melting at Different Process Parameters
Factors
Levels
Laser power
P(W)
Scan speed
v(mm/s)
Scan distance
h(mm)
Substrate temperature
T(℃)
1
180
870
0.06
50
2
200
960
0.07
100
3
220
1050
0.08
150
4
240
1140
0.09