Fabrication and Characterization of Porous Alumina-Based Ceramics Using Silicone Resin as Binder

Zhigang YangState Key Laboratory of Advanced Special Steels, Shanghai University, Shanghai – 200 071, China

Jianbo YuState Key Laboratory of Advanced Special Steels, Shanghai University, Shanghai – 200 071, China

Zhongming RenState Key Laboratory of Advanced Special Steels, Shanghai University, Shanghai – 200 071, ChinaCorrespondence[email protected]

Chuanjun LiState Key Laboratory of Advanced Special Steels, Shanghai University, Shanghai – 200 071, China

Kang DengState Key Laboratory of Advanced Special Steels, Shanghai University, Shanghai – 200 071, China

ABSTRACT

Porous alumina based ceramics were fabricated by injection method, where alumina powders were used as raw materials and solvent silicone resin was used as binder. During the heat treatment process, an organic-inorganic transformation occurred in silicone resin. The increase of heating temperature promoted the formation of mullite phase when the temperature was higher than 1500°C. The weight loss of porous alumina based ceramics was maintained at 5.7∼5.9%. When the heating temsperature was 1500°C, porous alumina based ceramics showed the biggest shrinkage rate, lowest apparent porosity and highest bending strength.

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Fabrication and Characterization of Porous Alumina-Based Ceramics Using Silicone Resin as Binder

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Fabrication and Characterization of Porous Alumina-Based Ceramics Using Silicone Resin as Binder

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