Microstructure characteristics of ultra-fine ZrO2---Y2O3 ceramic powdersstar, open

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Winnubst, A.J.A. and Groot Zevert, W.F.M. and Theunissen, G.S.A.M. and Burggraaf, A.J. (1989) Microstructure characteristics of ultra-fine ZrO2---Y2O3 ceramic powdersstar, open. Materials Science and Engineering A: Structural materials, 109 . pp. 215-219. ISSN 0025-5416

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Abstract:Yttria-doped zirconia powders with an extremely small crystallite size (8 nm) and a narrow size distribution have been prepared by gel precipitation methods. Precipitation of an alkoxide solution in water (“alkoxide” synthesis) results in weaker agglomerates when compared with a precipitation of a metal chloride solution in ammonia (“chloride” synthesis). Both types of agglomerate are fractured during isostatic compaction. The “alkoxide” agglomerates consist of strong small aggregates (15–20 nm) while within the “chloride” agglomerates no, or only a few, aggregates are present
Item Type:Article
Copyright:© 1989 Elsevier Science
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/61543
Official URL:http://dx.doi.org/10.1016/0921-5093(89)90590-X
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