Fabrication of porous alumina using anisotropic boehmite particles
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概要
- 論文の詳細を見る
Porous materials were prepared by stacking needle-like boehmite particles using a vacuum filtration. Uniform size of needle-like boehmite particles was prepared via hydrothermal treatment of a precursor gel. Boehmite aqueous suspensions with various pH values were prepared and vacuum-filtered to form porous bulk. Porous materials with uniform microstructures were obtained when the pH value of the suspension was adjusted to 9. The mechanical property of the porous boehmite was improved by heat treatment at 1000℃-1100℃ with a slight change of the pore structure. Porous α-alumina was also prepared by heat treatment at higher temperatures. The porous α-alumina prepared from boehmite porous materials with uniform microstructure had a finer microstructure than that prepared from the as-prepared boehmite powder.
- 社団法人日本セラミックス協会の論文
- 2008-11-01
著者
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KOJIMA Takashi
Department of Pathology, Cancer Research Institute, Sapporo Medical University School of Medicine
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UEKAWA Naofumi
Department of Material Technology, Faculty of Engineering, Chiba University
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KAKEGAWA Kazuyuki
Department of Material Technology, Faculty of Engineering, Chiba University
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Kakegawa Kazuyuki
Graduate School Of Engineering Chiba Univ.
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Kakegawa Kazuyuki
Department Of Applied Chemistry Faculty Of Engineering Chiba University
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UEKAWA Naofumi
Graduate School of Engineering, Chiba University
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FUKAI Takeharu
Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University
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Kojima Takashi
Department Of Pathology 2 Sapporo Medical University School Of Medicine
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Kojima Takashi
Department Of Applied Chemistry And Biotechnology Chiba University
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UEKAWA Naofumi
Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University
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KOJIMA Takashi
Graduate School of Engineering, Chiba University
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KAKEGAWA Kazuyuki
Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University
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KAKEGAWA Kazuyuki
Department of Applied Chemistry and Biotechnology Graduate School of Engineering, Chiba University
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