Paper Title:
Grain Boundary Nanostructure and High Temperature Plastic Flow in Polycrystalline Oxide Ceramics
  Abstract

High temperature creep and superplastic flow in high-purity, polycrystalline oxide ceramics is very sensitive to a small amount of doping by various oxides. The doping effect is attributed to change in grain boundary diffusivity owing to grain boundary segregation of the doped cations. The doping effect on the grain boundary diffusivity is caused mainly by change of chemical bonding state in the vicinity of the grain boundary segregated with the doped cations. In other words, controlling of grain boundary nanostructure based on the doping process will be a useful way to develop new high-performance functional ceramics in the near future.

  Info
Periodical
Materials Science Forum (Volumes 638-642)
Main Theme
Edited by
T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages
1731-1736
DOI
10.4028/www.scientific.net/MSF.638-642.1731
Citation
H. Yoshida, K. Morita, B. N. Kim, K. Hiraga, "Grain Boundary Nanostructure and High Temperature Plastic Flow in Polycrystalline Oxide Ceramics", Materials Science Forum, Vols. 638-642, pp. 1731-1736, 2010
Online since
January 2010
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Price
$32.00
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