Application of boron carbide in ceramic nozzles
Release time：2021/03/26 Author：
Meiqi
Boron carbide (B4C) ceramic nozzle (Fig.4) can be used as gun nozzle in the military gunpowder industry, boron carbide is extremely hard and wear-resistant, can not react with acid and alkali, high and low temperature resistance, high pressure resistance, density 2.46g/cm;Microhardness 3500kgf/m, bending strength 400Mpa, melting point of 2450 boron carbide nozzle has the above wear-resistant and high hardness characteristics, it will gradually replace the known carbide tungsten steel alumina zirconia silicon nitride silicon carbide and other materials of the sandblasting nozzle.
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