Properties of boron carbide
Release date:
2018-03-27 13:56
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Summary:
Hard, black, lustrous crystals. Their hardness is lower than that of industrial diamond but higher than that of silicon carbide. They are less brittle than most ceramics. They possess a large thermal neutron capture cross section and exhibit excellent chemical resistance, remaining unaffected by hot hydrofluoric acid and nitric acid. They dissolve in molten alkalis but are insoluble in water and acids. The relative density (d204) is 2.508–2.512. The melting point is 2350°C, and the boiling point is 3500°C.
Hard, black, lustrous crystals. Their hardness is lower than that of industrial diamond but higher than that of silicon carbide. They are less brittle than most ceramics. They possess a large thermal neutron capture cross section and exhibit excellent chemical resistance, remaining unattacked by hot hydrofluoric acid or nitric acid. They dissolve in molten alkalis but are insoluble in water and acids. The relative density (d204) is 2.508–2.512. The melting point is 2350°C, and the boiling point is 3500°C.
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