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Bulletin of Materials Science

, Volume 25, Issue 2, pp 121–125 | Cite as

Sintering of nano crystalline α silicon carbide doping with aluminium nitride

  • M. S. Datta
  • A. K. Bandyopadhyay
  • B. Chaudhuri
Article

Abstract

Sinterable silicon carbide powders were prepared by attrition milling and chemical processing of an acheson type α-SiC. Pressureless sintering of these powders was achieved by addition of aluminium nitride together with carbon. Nearly 99% sintered density was obtained. The mechanism of sintering was studied by scanning electron microscopy and transmission electron microscopy. This study shows that the mechanism is a solid state sintering process.

Keywords

Sintering mechanism silicon carbide aluminium nitride polytype 

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References

  1. Alliegio R A, Coffin L B and Tinklepaugh J R 1956J. Am. Ceram. Soc. 39 386CrossRefGoogle Scholar
  2. Coppola J A and Mcmurty C E 1976Mater, symp. on ceramics in the service of Man (Washington: Carnegie Institute)Google Scholar
  3. Johnson C A and Prochazka S 1977Ceramic microstructure, VIth Proc. int. mater, symp. (Boulder, Colorado: Westview Press) p. 366Google Scholar
  4. Nagatomo M, Ishiwara H and Furukawa S 1979Jpn. J. Appl. Phys. 18 76Google Scholar
  5. Prochazka S 1975Special ceramic (ed.) P Popper (New York: Academic Press)Vol. 6, p. 171Google Scholar
  6. Rijswijk W Van and Shanefield J Daniel 1982J. Am. Ceram. Soc. 73 148CrossRefGoogle Scholar
  7. Raghavan V 1974First course in material science (New Delhi: Prentice-Hall of India Pvt Ltd) p. 68Google Scholar
  8. Shaffer P T B 1980Mater. Res. Bull. 16 699Google Scholar
  9. Vechten J A van 1975J. Electrochem. Soc. 1222 419CrossRefGoogle Scholar
  10. {au{fnVerma} {gnA R}} and Krishnan inPolymorphism and polytypism in crystal (New York: John Wiley and Sons Inc.) p. 261Google Scholar

Copyright information

© Indian Academy of Sciences 2002

Authors and Affiliations

  • M. S. Datta
    • 1
  • A. K. Bandyopadhyay
    • 1
  • B. Chaudhuri
    • 1
  1. 1.Department of Metallurgical EngineeringJadavpur UniversityKolkataIndia

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