Barrel Polishing with Alumina-Composite Botanical Abrasives. 2. Polishing of Alumina-Based Composite Ceramics.

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  • アルミナ複合植物研磨材によるバレル研磨　第２報　アルミナ系複合セラミックスの研磨
  • アルミナ フクゴウ ショクブツ ケンマザイ ニヨル バレル ケンマ ダイ 2ホ
  • 2. Polishing of Alumina-Based Composite Ceramics
  • アルミナ系複合セラミックスの研磨

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Abstract

Alumina-composite botanical abrasives were prepared by using aliphatic acid, wax, etc. to make a walunt shell composite with alumina powder. A barrel polishing apparatus was used to perform polishing experiments on various composite ceramics of the Al2O3-Y2O3-ZrO2-MgO family (Family I, with high hardness and tenacity) and the Al2O3-Y2O3-MgO family (Family II, with high porosity). The alumina-composite botanical abrasives were found (1) to be capable of gradually increasing the polished amount with polishing time for all ceramics, with resulting improvement of surface roughness, (2) to be effective for smoothing surfaces of Family I composite ceramics, though with low processing efficiency, and (3) to exhibit high polishing speeds for Family II composite ceramics, though with high roughness of the finished surface.

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