Study of Microstructure and Properties of 316L with Selective Laser Melting Based on Multivariate Interaction Influence

Table 8

Predicted and actual results under optimized conditions.

Exp. no.	Laser power (W)	Scanning speed (mm/s)	Scanning interval (mm)	Layer thickness (mm)	Angle with the xz plane	Angle with the xy plane	Surface roughness (μm)	Relative density (%)	Tensile strength (MPa)	Elongation rate (%)
Predicted values	160	836	0.07	0.02	83.3	89.7	4.1	97.27	609.5	55.9
Actual value	160	836	0.07	0.02	83.3	89.7	4.3	96.3	510	47
Relative error							4.6%	1%	19.5%	18.9%