Boron Carbide
Boron carbide is one of the hardest and lightest known ceramics. It is formed by hot-pressing, so making complicated shapes is difficult. Because the boron-10 isotope will absorb neutrons, boron carbide is an important material in nuclear process technology.
Common applications include:
- Neutron Absorber rods
- Military Armor
- Sand Blast Nozzles
- Spray Nozzles
- Sputtering Targets
- Thin Film Coatings
Boron Carbide can be applied by Physical Vapor Deposition (PVD), a low temperature vacuum coating process. It is applied at <250F at 1.5 microns thick. It is commonly applied to blades, gears, broaches, seals, and sliding wear parts. Boron carbide is an excellent coating where there is sliding wear between metal parts and lubrication might be difficult.
"Our company wanted to replace the Stellite wear sleeves in a down hole oilfield application with ceramic wear sleeves. Within a few weeks of sending Ceramic Technologies a drawing, we had prototypes in our hands. The ceramic wear sleeves far exceed the performance of the Stellite wear sleeves in an abrasive wear environment. "
Landry KollodziejTensteer LLC
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