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

Table 4

Various TBC characteristic values for SLM substrates.

Substrate roughness ( (μm))	BC roughness ( (μm))	TC roughness (Ra (μm))	BC microhardness (Hv)	TC microhardness (Hv)	BC porosity (%)	TC porosity (%)
5	6.28	9.15	860	1100	3	7.5
5.3	6.58	9.6	844	1085	3.3	8.6
5.6	6.92	9.8	836	1060	3.8	9.3
6	7.15	10.2	828	1025	4	10
6.2	7.52	10.8	820	1010	4.3	11.8
6.5	7.98	11.25	800	990	4.6	12.8
6.9	8.28	11.75	788	975	5	13.4
7.2	9.21	13	770	955	5.3	15
7.8	10.08	13.4	745	915	6	19.2