boron carbide abrasive
1boron carbide — n. a black, crystalline compound of boron and carbon, B4C, almost as hard as diamond: used as an abrasive and in control rods for nuclear reactors: see MOHS SCALE (sense 2) …
2boron carbide — Chem. a black, crystalline, extremely hard, water insoluble solid, B4C, used chiefly as a moderator in nuclear reactors, as an abrasive, and as a refractory. * * * ▪ chemical compound (B4C), crystalline compound of boron and carbon. It is… …
3boron carbide — noun : any binary compound of boron and carbon; especially : a refractory shiny black crystalline solid B4C ranking next to the diamond in hardness made usually by heating boric oxide and coke in an electric furnace and used chiefly as powdered… …
4boron carbide — a compound, B4C, slightly harder than silicon carbide (q.v.), obtained by heating boron at very high temperature to effect its union with carbon; used as a neutron absorber in nuclear reactors, and as an abrasive agent in industry and dentistry …
5boron carbide — /bɔrɒn ˈkabaɪd / (say bawron kahbuyd) noun a black crystalline solid, B4C, which is the hardest known substance after diamond, and which is used as an abrasive and to form control rods in nuclear reactors …
6Boron nitride — IUPAC name Boron nitride Identifiers …
7carbide — /kahr buyd, bid/, n. 1. a compound of carbon with a more electropositive element or group. 2. See calcium carbide. 3. a very hard mixture of sintered carbides of various heavy metals, esp. tungsten carbide, used for cutting edges and dies. [1860… …
8boron — boronic /boh ron ik, baw , beuh /, adj. /bawr on, bohr /, n. Chem. a nonmetallic element occurring naturally only in combination, as in borax or boric acid, and obtained in either an amorphous or a crystalline form when reduced from its compounds …
9Abrasive blasting — Sandblasting a stone wall Diesel powered compressor used as an air supply for sandblasting …
10Abrasive machining — is a manufacturing process where material is removed from a workpiece using a multitude of small abrasive particles. Common examples include grinding, honing, and polishing. Abrasive processes are usually expensive, but capable of tighter… …
