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Effects of yttrium on the sintering and microstructure of alumina-silicon carbide "nanocomposites"

Abstract:

Alumina and alumina-based "nanocomposites" with 2 and 5 vol% silicon carbide and varying amounts of yttria (0-1.5 wt%) have been prepared by pressureless sintering in the temperature range 1450°-1650°C. The effects of composition and sintering temperature on density and microstructure are reported. Yttria inhibited sintering in alumina, but enhanced the sinterability of the nanocomposites. It also induced abnormal grain growth in both alumina and nanocomposites, but strongly bimodal grain siz...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Publisher:
John Wiley and Sons, Inc Publisher's website
Journal:
Journal of the American Ceramic Society Journal website
Volume:
88
Issue:
9
Pages:
2354–2361
Publication date:
2005-09-05
DOI:
EISSN:
1551-2916
ISSN:
0002-7820
URN:
uuid:3bd7dc60-cade-4b39-a2db-4d490e39b295
Source identifiers:
26372
Local pid:
pubs:26372
Language:
English

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