Silicon carbide is categorized as a/an_______________?
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Answer: B. Abrasive
Explanation
Silicon carbide is an extremely hard synthetic chemical compound categorized as an industrial abrasive. Its exceptional hardness and wear resistance make it ideal for grinding wheels, sandpapers, and cutting tools. Manufactured in electric resistance furnaces, silicon carbide provides superior mechanical cutting performance. Silicon carbide combines silicon and carbon into a covalently bonded crystal lattice of remarkable strength. Acheson furnace processes react high-purity silica sand with petroleum coke at extremely high temperatures. Different grain sizes and purity grades are produced to meet specific grinding and refractory specifications.
Metalworking and automotive manufacturing industries rely heavily on silicon carbide abrasives for surface finishing. Refractory linings also incorporate silicon carbide to improve thermal conductivity and oxidation resistance. Advanced ceramic components utilize its hardness for high-wear structural applications in hostile environments. Adhesives are bonding substances designed to join surfaces together rather than acting as hard cutting abrasives. Glass is an amorphous silicate material rather than a hard synthetic carbide abrasive cutting compound. While silicon carbide is brittle, its primary technical classification in manufacturing is as an abrasive.
- Subject
- Engineering
- Category
- Chemical Engineering
- Topic
- —
- Difficulty
- medium
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