Research Article

Characterization of Thermally Sprayed Coated GT Components Made of 3D Printing Based Selective Laser Melting Processed Inconel Alloy 718

Table 6

Results of substrate temperature on the coatings (at SOD of 120 mm) for both samples.

Substrate temperature in °CMicrohardness in SLM sampleMicrohardness in IN718 sample% porosity in SLM sample% porosity in IN718 sample in SLM sample (μm) in IN718 samples (μm)

35110010009.96.810.27.9
100113010259.56.5107.8
200116510708.969.87.5
300122011008.25.89.77.4
400128011407.45.59.57.3
500134011806.94.99.47.1
600140012806.14.29.26.8