Preparation of textured porous Al 2 O 3  ceramics by slip casting in a strong magnetic field and its mechanical properties | Zendy

Yang Zhigang | Zendy; Yu Jianbo | Zendy; Li Chuanjun | Zendy; Zhong Yunbo | Zendy; Xuan Weidong | Zendy; Ren Zhongming | Zendy; Wang Qiuliang | Zendy; Dai Yinming | Zendy; Wang Hui | Zendy

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Preparation of textured porous Al 2 O 3 ceramics by slip casting in a strong magnetic field and its mechanical properties

Author(s) -

Yang Zhigang,

Yu Jianbo,

Li Chuanjun,

Zhong Yunbo,

Xuan Weidong,

Ren Zhongming,

Wang Qiuliang,

Dai Yinming,

Wang Hui

Publication year - 2015

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.201500080

Subject(s) - materials science , porosity , sintering , slip (aerodynamics) , microstructure , anisotropy , ceramic , composite material , green body , shrinkage , optics , thermodynamics , physics

The textured porous Al 2 O 3 ceramics were prepared by slip casting in a strong magnetic field of 6 T and subsequently sintering. The c axis of Al 2 O 3 grain was oriented parallel to the direction of the magnetic field and the textured porous microstructure with plate‐shape grains was formed. The porosity of textured porous Al 2 O 3 ceramic was 30.37% and the relative density reached 66.29% when the sintering temperature is 1600°C. The textured porous Al 2 O 3 green body showed the linear shrinkage anisotropy. The bending strength of the textured porous Al 2 O 3 ceramics depended on the alignment direction of plate‐shape grains.

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