Thermal Spray Coatings: DETONATION_GUN
Properties of thermally sprayed coatings by spray process and coating material. Processes: HVOF (high velocity oxy-fuel), APS (atmospheric plasma spray), wire arc spray, detonation gun, and cold spray. Materials: WC-Co and Cr3C2-NiCr carbide cermets, Al2O3/Al2O3-TiO2/Cr2O3/ZrO2-YSZ oxide ceramics, MCrAlY bond coats, NiCr, Stellite 6, 316L stainless, copper, zinc, aluminum, and specialty alloys. Properties: hardness (HV), bond strength (MPa), porosity (%), oxide content (%), surface roughness Ra (um), deposition efficiency (%), thickness range, max service temperature, wear rate, and application guidance. Per ASM Handbook Vol 5A and Oerlikon Metco/Praxair/Höganäs product data.
| spray process | coating material | application | bond strength mpa max (MPa) | bond strength mpa min (MPa) | bond strength mpa typical (MPa) | deposition efficiency pct max | deposition efficiency pct min | deposition efficiency pct typical (%) | hardness hv max (HV) | hardness hv min (HV) | hardness hv typical (HV) | material category | max service temp c (degC) | oxide content pct max | oxide content pct min | oxide content pct typical (%) | porosity pct max (%) | porosity pct min (%) | porosity pct typical (%) | surface roughness ra um max | surface roughness ra um min | surface roughness ra um typical (um) | thickness range um max (um) | thickness range um min (um) | wear rate relative |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DETONATION_GUN | Cr3C2_NiCr | D-Gun Cr3C2; high-temp wear; turbine seal runners; compressor components; aerospace quality | 95 | 65 | 80 | 50 | 30 | 40 | 1,300 | 950 | 1,100 | carbide_cermet | 870 | 1.5 | 0.3 | 0.8 | 0.8 | 0.1 | 0.4 | 4 | 1.5 | 2.5 | 300 | 50 | very_low |
| DETONATION_GUN | WC-12Co | D-Gun proprietary (Praxair/Linde); densest WC coatings; aircraft engine components; compressor blades; highest hardness/density | 97 | 70 | 83 | 50 | 30 | 40 | 1,600 | 1,200 | 1,400 | carbide_cermet | 500 | 0.6 | 0.1 | 0.3 | 0.5 | 0.1 | 0.3 | 4 | 1.5 | 2.5 | 300 | 50 | very_low |
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