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

Table 7

TBC characteristics for various coating thicknesses (SOD 125 mm).

Coating thickness (μm)	Microhardness in SLM sample	Microhardness in IN718 sample	% porosity in SLM sample	% porosity in IN718 sample	in SLM sample (μm)	in IN718 samples (μm)
100	1160	1200	8.1	6.6	9.2	6.5
200	1110	1175	9.5	7.5	9.8	7
300	1090	1130	11	9	11.2	8
400	1050	1090	12	11.6	12.5	8.4
500	1000	1040	13	12	14	9.2
600	900	950	14	13	14.6	9.6