Research Article

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

Table 3

Various TBC characteristic values for traditional substrates.

Substrate roughness ( (μm))BC roughness ( (μm))TC roughness ( (μm))BC microhardness (Hv)TC microhardness (Hv)BC porosity (%)TC porosity (%)

3.54.8788611853.26.5
3.755.12886011653.66.8
45.38.683511483.97.5
4.255.559.282511254.27.8
4.55.869.881511004.48.1
56.110.680510854.78.5
5.256.710.779510604.99.3
5.57.41178510205.110.3
68.21277610005.510.8
6.28.512.5756.59845.712
6.5913743.8962612.6
6.99.513.77319396.313.3
7.21014.37189176.614
7.810.514.85705.5894.46.814.6