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 (%) |
| 3.5 | 4.8 | 7 | 886 | 1185 | 3.2 | 6.5 | 3.75 | 5.12 | 8 | 860 | 1165 | 3.6 | 6.8 | 4 | 5.3 | 8.6 | 835 | 1148 | 3.9 | 7.5 | 4.25 | 5.55 | 9.2 | 825 | 1125 | 4.2 | 7.8 | 4.5 | 5.86 | 9.8 | 815 | 1100 | 4.4 | 8.1 | 5 | 6.1 | 10.6 | 805 | 1085 | 4.7 | 8.5 | 5.25 | 6.7 | 10.7 | 795 | 1060 | 4.9 | 9.3 | 5.5 | 7.4 | 11 | 785 | 1020 | 5.1 | 10.3 | 6 | 8.2 | 12 | 776 | 1000 | 5.5 | 10.8 | 6.2 | 8.5 | 12.5 | 756.5 | 984 | 5.7 | 12 | 6.5 | 9 | 13 | 743.8 | 962 | 6 | 12.6 | 6.9 | 9.5 | 13.7 | 731 | 939 | 6.3 | 13.3 | 7.2 | 10 | 14.3 | 718 | 917 | 6.6 | 14 | 7.8 | 10.5 | 14.85 | 705.5 | 894.4 | 6.8 | 14.6 |
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