高純度ムライトの泥しょう鋳込成形とその焼結体の特性 (第1報) 泥しょう調製条件の検討

書誌事項

タイトル別名
  • Slip Casting of Mullite and Properties of Sintered Body. (Part 1). Study of Slurry Preparation Conditions.
  • コウ ジュンド ムライト ノ デイショウ イコミ セイケイ ト ソノ ショウケ
  • Study of Slurry Preparation Conditions
  • 泥漿調製条件の検討

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抄録

Slip casting of high-purity mullite powder produced by coprecipitation method was studied to fabricate mullite engineering ceramic parts with complicated shapes. The characteristics of the slurries were examined by zeta-potential and viscosity measurements. The preparation conditions of well-dispersed slurries were determined using an organic polymer deflocculant. The most suitable deflocculant content was 0.2wt% of the solid. High-density green bodies (relative density=59.2%) were prepared by vacuum filtration with a polymer resin mold. High-density mullite ceramics (3.12-3.13 g/cm3) were obtained by sintering at 1650°C for 3hr in air.

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