Effect of Additives on the Pressureless Sintering of Aluminum Nitride between 1500° and 1800°C

Combined oxide additives (Y2O3, CaO, La2O3, CeO2, SiO2, TiO2, and Fe2O3) were investigated as AIN sintering aids. AIN can be fully sintered at 1600°C to substantial thermal conductivity (92 W/(m·K)) using a multiple sintering aid of Y2O3, CaO, SiO2, La2O3, and CeO2. This lowtemperature material has...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1989-08, Vol.72 (8), p.1488-1491
Main Authors: Troczynski, Thomas B., Nicholson, Patrick S.
Format: Article
Language:English
Subjects:
additives
aluminum nitride
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
microstructure
sintering
Technical ceramics
thermal conductivity
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Summary:Combined oxide additives (Y2O3, CaO, La2O3, CeO2, SiO2, TiO2, and Fe2O3) were investigated as AIN sintering aids. AIN can be fully sintered at 1600°C to substantial thermal conductivity (92 W/(m·K)) using a multiple sintering aid of Y2O3, CaO, SiO2, La2O3, and CeO2. This lowtemperature material has small grain size (1 to 3 μm).
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1989.tb07684.x