Boron Carbide
Boron carbide continues to be used with confidence in high-end, weight-driven armour applications, but it does have a number of natural drawbacks: cost of manufacture and shapeability. ... (9.3 on the Mohs scale) and is used as an abrasive. I.B Boron–Nitrogen Compounds. Two of the early nitrogen derivatives of borane were NR 3.BH 3 and [(NH 3 ...Web
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