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Silicon Carbide

  1. Klaus Liethschmidt1,
  2. Josef Garbes2

Published Online: 15 APR 2008

DOI: 10.1002/14356007.a23_749.pub2

Ullmann's Encyclopedia of Industrial Chemistry

Ullmann's Encyclopedia of Industrial Chemistry

How to Cite

Liethschmidt, K. and Garbes, J. 2008. Silicon Carbide. Ullmann's Encyclopedia of Industrial Chemistry. .

Author Information

  1. 1

    Elektroschmelzwerk Kempten GmbH, Werk Grefrath, Frechen, Germany

  2. 2

    ESK - SIC GmbH, Frechen, Germany

Publication History

  1. Published Online: 15 APR 2008

Chemistry Terms

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Abstract

1.Introduction
2.Properties
3.Production
3.1.Reaction Mechanism
3.2.Raw Materials
3.3.The Acheson Process
3.4.The ESK Process
3.5.Processing of the Crude Product
3.6.Other Production Methods
4.Quality Control
5.Toxicology and Occupational Health
6.Uses
6.1.Abrasives
6.2.Refractories
6.3.Metallurgy
6.4.Electrical Technology
6.5.Electronics
6.6.Structural Ceramics
7.Economic Aspects

Silicon carbide is a highly important industrial product, which has unique chemical and physical properties. It is characterized by a great hardness, excellent chemical resistance, and high thermal shock stability. Silicon carbide is used in metallurgy and electronics, in technical ceramics and refractory materials, and, due to its hardness, as an abrasive. The compound is produced industrially from silicon dioxide and carbon in mainly two production processes. Meanwhile, the majority of production has shifted from Europe and North America to China and South America. Silicon carbide is a nonhazardous material.