Optimization of Conditions of Preparation of YAG Nanopowders for Sintering of Translucent Ceramics

Tadeusz Chudoba; Mathieu Teyssier; Witold Łojkowski

doi:10.4028/www.scientific.net/SSP.128.41

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Optimization of Conditions of Preparation of YAG Nanopowders for Sintering of Translucent Ceramics

Abstract:

The agglomeration of YAG (Yttrium-Aluminum Garnet Y3Al5O12) nanopowders doped with various rare earth ions obtained by the coprecipitation and calcination route is a major problem if it is wished to exploit the nano-size properties such as the transparency of dispersions of the powders or low temperature sintering. Investigations to optimize the preparation process of powders for High Pressure-Low temperature Sintering (HPLS) of semi-translucent pellets was undertaken. The appropriate milling time to decrease the agglomeration was evaluated with the help of ZETA- potential measurement. The dependence of the agglomerate size against the time of hand milling was used to optimize the process.

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Solid State Phenomena (Volume 128)

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41-46

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https://doi.org/10.4028/www.scientific.net/SSP.128.41

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Online since:

October 2007

Authors:

Tadeusz Chudoba, Mathieu Teyssier, Witold Łojkowski

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HPLS, Nanopowder, YAG, Zeta-Potential

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