Abstract
The preparation of pure Y3Al5O12 (YAG) and 50 vol% Al2O3–YAG composite powders by a wet chemical route is presented. The role of the synthesis temperature during reverse-strike precipitation has been investigated, showing its relevant effect on the purity and homogeneity of YAG powder.
The composite material was prepared by comparing two different synthesis routes. A composite powder was synthesized via reverse-strike temperature-controlled co-precipitation. In the latter case, a pure-alumina precursor was firstly reverse-strike precipitated and then doped with an yttrium salt solution. For both syntheses, the role of thermal and mechanical pre-treatments on the phase development was demonstrated.
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Palmero, P., Montanaro, L. Thermal and mechanical-induced phase transformations during YAG and alumina–YAG syntheses. J Therm Anal Calorim 88, 261–267 (2007). https://doi.org/10.1007/s10973-006-8010-7
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DOI: https://doi.org/10.1007/s10973-006-8010-7