Ceramic COATINGS
At MBI we apply ceramic coatings by advanced Plasma spray systems. Ceramic coatings can transform an ordinary metal into a high-performance surface. When applied by high energy Plasma, the coatings are dense, wear, corrosion & heat resistant, inert to acids, alkali and solvents. There is a variety of ceramic materials that can be applied depending upon the requirements of each application, the chart below lists a few:
| Ceramic type | Hardness | As-sprayed Ra | Ground Finish | Resistance to | Major use example |
|---|---|---|---|---|---|
| Chrome oxide | 70 Rc | 130 Ra | 1 Ra (lapped) | Abrasive grains wear | Seal surfaces |
| Alumina oxide | 52 Rc | 150 Ra | >10 Ra | Wear, heat , electrical | Crimper wheels |
| Titanium dioxide | 55 Rc | 200 Ra | 5 Ra | Abrasive grains | Mixer parts |
| Alumina-Titania | 68 Rc | 110 Ra | 1 Ra (lapped) | Fretting, cavitation | Textile parts |
| Zirconium oxide | 30 Rc | 250 Ra | N/A | Thermal barrier | Molten metal contact |
| Magnesium zir. | 31 Rc | 300 Ra | N/A | High temperatures | Ingot molds & troughs |
Most applications require thin layers .003-.005” with polished finish anywhere from 20 to 400 Ra.
However, when thicker layers are desired grinding and/or lapping may be required such as on finished roll surfaces and in the packing and seal areas.
Typical MBI Ceramic Applications:
- Rolls & Rollers resurfacing
- Heater plates
- Guide surfaces
- Furnace parts
- Textile /Fiber parts
- Pump parts
- Seal areas
- Form rolls
- Paddles
- Impellers
- Molds
- Pistons
- Valves
- Wear rings
- ...and too many more to list!
Seal surface being plasma ceramic coated.
Wear plate coated with Alumina- titaniaceramic (sliding wear).
Call (803) 313-9292 or click here to contact MBI for more information.