Plasma Spray Coating, a technology for material surface strengthening and modification, can endow the substrate surface with properties such as wear resistance, corrosion resistance, high-temperature oxidation resistance, electrical insulation, heat insulation, radiation protection, friction reduction, and sealing. This technology utilizes a plasma arc driven by direct current as the heat source to heat ceramic, alloy, and metal materials to a molten or semi-molten state and spray them at high speed onto the preprocessed surface of the workpiece to form a firmly adhered surface layer.
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Coating Index and Detection
| Coating Index | Yttria | Alumina | Detection Instrument |
| Thickness | <0.5 mm | <0.5 mm | Micrometer & Film Thickness Gauge Measurement |
| Surface roughness | 4.0~6.0μm | 4.0~6.0μm | Roughness Tester (Profilometer Measurement Method) |
| Microhardness | 400~600HV | 800~1000HV | Metallographic Analysis (Microscopic Hardness Meter) |
| Porosity | <3% | <3% | Metallographic Analysis (Microscopic Image Analysis) |
| Bond strength | >20Mpa | >20Mpa | Tensile test (adhesive) |
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* Measured values may fluctuate due to variations in specific processes, test environments, and conditions, and should not be considered absolute. |
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Coating Product Application Example
Yttrium Oxide Coating
Silicon-Based Coating
Aluminum Oxide & Zirconia Coating
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