What is Boron carbide?
'''Boron carbide''' is a [[chemical compound]] with the formula B<sub>4</sub>C. It is an extremely hard [[ceramic]]. It is often used as an [[abrasive]], as [[armor]], as a scratch-proof coating, as a neutron absorber in the control rods of [[nuclear reactor]]s, and as an additive in the cut-resistant shackle in some [[padlock]]s. [[Category:Carbon compounds]] [[Category:Armour]] [[Category:Boron compounds]]