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Stability of tetragonal ZrO2 phase in Al2O3 prepared from Zr-Al organometallic compounds (1988)

Yoshimatsu, Hideyuki ; Kawasaki, Hitoshi ; Osaka, Akiyoshi

Springer

Journal of materials science 23 (1988), S. 332-336

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ISSN: 1573-4803

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Abstract Zr-Al organometallic compounds have been spray-dried and heated at temperatures 600 to 1400°C to prepare ZrO2-Al2O3 composite powders. The powders consist of balloon-like particles 0.5 to 2 μm in diameter with homogeneously dispersed tetragonal ZrO2 grains 0.1 to 0.2 μm in diameter. The tetragonal fraction of ZrO2 in the composite powders is higher than that in the powders prepared from sols of Zr(OBun)4 and Al[OCH(CH3)2]3. The fraction is affected by the organofunctional group in the Zr-Al compounds.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01174073

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