its powder is neutral, high combustion and value, large specific impulse, it is the ideal propellant material.
Physical Property of BoronSymbol of element : BRelative atomic mass : 10. 82Isotopes : B10, B11Density : amorphous boron2. 3g/ cm3Melting point : 2300°CBoiling point : 2550°CLatent heat of vaporization : 481482 j / molSpecific heat capacity : 1. 2941398j/ gLinear expansibility : 2?10- 6When it is heated from 0°C to 600°C, the electrical conductivity increases 100 times. Mohs’ scale of hardness : more than and enqual 9Fields of applicationRich burning fuel : its powder is neutral, high combustion and value, large specific impulse, it is the ideal propellant material. Aerospace: rocket nozzle material; cruise missile fuel; aerospace alloys material, lithium boron alloys powderMilitary industry : bullet- resisting ceramics, bullet- resisting glass, bullet- proof helmet; body armor, protection apron of armored car. Mechanical industry: milling machines, milling cutter, turning tool; special bearing; wearable ceramics, special steel used in machinery; drilling bit, welding powders of special parts. Nuclear industry : Nuclear leak defence material, neutron absorber and neutron counter in nuclear reactorElectronics : superconducting material magnetic substance; electron admixture; amorphous alloy materialsChemical : chemical and protective coatingsSpecial alloys : boron carbide; calcium boride, iron boron, manganese boron and so on.
