Preparation of Highly Dispersed and Uniformly Mixed Aqueous Suspension of Al2O3-SiC-ZrO2(3Y) Precursor

Abstract

Abstract: ZrO₂(3Y) precursor was prepared via hydrous-zirconia which was Y(OH)₃-coated preparedby microwave heating coated with Y(OH)₃. The surfaCes of Al₂O₃, nanometer SiC and Y(OH)₃ coated hydrous-zirconia particles were modified with PMAA-NH₄, so that three kinds of periclesin aqueous suspensions had the same charge and highly dispersed state at pH=9.0. Finally, ahighly dispersed and uniformly mixed suspension of Al₂O₃-SiC-ZrO₂(3Y) precursor was obtainedfrom miting three kinds of single suspension.

Key words: colloidal behaviour, surfaCe modification, highly dispersed suspension, uniformlymixed suspension

CLC Number:

TB323

ZHANG Ju-Xian,YANG Jing-Yii,YU Xin,HOU Yao-Yonga,GAO Long-Qian. Preparation of Highly Dispersed and Uniformly Mixed Aqueous Suspension of Al₂O₃-SiC-ZrO₂(3Y) Precursor[J]. Journal of Inorganic Materials.

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Preparation of Highly Dispersed and Uniformly Mixed Aqueous Suspension of Al₂O₃-SiC-ZrO₂(3Y) Precursor

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