Research Article

Laser Rapid Manufacturing of Stainless Steel 316L/Inconel718 Functionally Graded Materials: Microstructure Evolution and Mechanical Properties

Table 1

Chemical composition and size of the powders.

Chemical composition and size of the powders
PowdersChemical composition (wt,%)Size (μm)

SS316L≤0.03 C, ≤1.0 Si, ≤2.0 Mn, ≤0.035 P,  45~90

≤0.03 S, 2~3 Mo, 12~15 Ni, 16~18 Cr, Fe (Bal.)
Inconel 718<0.10 C, <0.75 Si, <0.50 Mn, <0.015 S, <0.015 P, 17~21 Cr, 50~55 Ni, 2.8~3.3 Mo, 0.2~1.6 Al, 0.6~1.3 Ti, 4.7~5.5 Nb+Ta, <0.006 B, Fe (Bal.)45~90