Microstructural Development during the Microwave Sintering of Yttria-Zirconia Ceramics

The microstructural development of 3 and 8 mol% yttria—zirconia ceramics during microwave sintering was studied and compared to conventionally heated samples. Microwave heating enhanced the densification processes occurring during constant‐rate heating for both materials. No change was found in the...

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Bibliographic Details
Published inJournal of the American Ceramic Society Vol. 80; no. 2; pp. 394 - 400
Main Authors Nightingale, Sharon A., Worner, H. K., Dunne, D. P.
Format Journal Article
LanguageEnglish
Published Westerville, Ohio American Ceramics Society 01.02.1997
Blackwell
Subjects
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
General studies
Technical ceramics
Yttrium Oxides
Sintering
Stabilized zirconia
Manufacturing
Microwave heating
Experimental study
Microstructure
Oxide ceramics
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Summary:The microstructural development of 3 and 8 mol% yttria—zirconia ceramics during microwave sintering was studied and compared to conventionally heated samples. Microwave heating enhanced the densification processes occurring during constant‐rate heating for both materials. No change was found in the grain size—density relationship for the 8 mol% yttria—zirconia. However, a small, but statistically significant shift favoring densification was found for the 3 mol% yttriazirconia. Differences in the responses of the two materials are not completely understood but may be due to the differences in the activation energy for grain growth and grain‐boundary mobility.
Bibliography:ArticleID:JACE394
ark:/67375/WNG-DLNP69BC-J
istex:7C856EB2C03CD4BF0EE851E1A67EB552A9DB8463
Based, in part, on the thesis submitted by S. A. Nightingale for the Ph.D. degree at the University of Wollongong, Wollongong, N.S.W., Australia.
J. Blendell—contributing editor
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ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1997.tb02843.x