Residual Stress Distribution in Selective Laser Melting of SS316L Parts

Table 1

SLM process parameters used to build samples.

S. no.	Build parameter (units)	Value
1	Laser power (W)	130 W
2	Laser beam diameter	55 μm
3	Scanning speed	500 mm/sec
4	Powder grain size	20 to 40 μm
5	Layer thickness	40 μm
6	Process time per specimen	3 h
7	Hatch distance	80 μm