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- Title
Ambipolar Diffusion in Sintering and Diffusional Creep of Ionic Compounds.
- Authors
Kang, Suk-Joong L.; Han-Il Yoo
- Abstract
The effective diffusion coefficient &Dsline; during sintering or diffusional creep of a polycrystalline ionic (ceramic) compound MaXb has been reexamined and suggested to be &Dsline; = DMDX/(bDM + aDX), where Di is the diffusion coefficient of ion i (= M, X), in agreement with some previous investigations. This expression should be applicable to any system where ambipolar diffusion is driven by a stress gradient.
- Subjects
SINTERING; POWDER metallurgy; IONS; DIFFUSION; COMPACTING; METALLURGY
- Publication
Journal of the American Ceramic Society, 2004, Vol 87, Issue 12, p2286
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1151-2916.2004.tb07506.x