Control of the texture in feeble magnetic ceramics using colloidal processing in a strong magnetic field

Tohru S. Suzuki, Yoshio Sakka, Koichi Kitazawa

研究成果: Article

1 引用 (Scopus)

抜粋

The controlled development of texture has recently become a topic of interest in ceramic processing, since it allows improved tailoring of the properties of a material. Anisotropic susceptibilities of feeble magnetic ceramics such as A12O3 and ZnO are quite small. It is generally difficult to apply a magnetic field effectively in order to rotate fine feeble magnetic particles, since fine particles tend to spontaneously agglomerate due to strong attractive interactions (van der Waals forces). It is necessary to disperse the particles in a suspension in order to effectively utilize a magnetic field to rotate the particles. Colloidal processing is a powerful technique for controlling the stability of particles in a suspension. This processing can be used for production of textured ceramics with complex shapes by near-net-shape slip casting. In addition, the direction of textured polycrystalline can be controlled by the direction of the applied magnetic field.

元の言語English
ページ(範囲)479-487
ページ数9
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
53
発行部数6
DOI
出版物ステータスPublished - 2006 6 1
外部発表Yes

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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