Paper Title:
New Theory of Transformation Induced Grain Growth in Porous SiC
  Abstract

- and -SiC powder mixtures with 0.3 mass% of AlB2 were sintered at 2200oC. Porous materials having 43-45% porosity were obtained. Grains in the powder mixtures grew into plate-shaped grains of 6-8 m size, and -SiC transformed into -SiC. Free energy due to the polytype transformation enhanced material transport very much. The new rate theory proposed here explained very well the behavior of the grain growth.

  Info
Periodical
Edited by
Katsutoshi Komeya, Yi-Bing Cheng, Junichi Tatami and Mamoru Mitomo
Pages
169-172
DOI
10.4028/www.scientific.net/KEM.403.169
Citation
H. Tanaka, "New Theory of Transformation Induced Grain Growth in Porous SiC", Key Engineering Materials, Vol. 403, pp. 169-172, 2009
Online since
December 2008
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