超塑性発泡法によるセラミックスへの螺旋状連通閉気孔の導入 Fabrication of a Helical Tubular Pore in YSZ Ceramics by the Superplastically Foaming Method

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著者

    • 岡田 正典 OKADA Masanori
    • 岡山大学大学院自然科学研究科機能分子化学専攻 Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University
    • 寺西 貴志 TERANISHI Takashi
    • 岡山大学大学院自然科学研究科機能分子化学専攻 Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University
    • 林 秀考 [他] HAYASHI Hidetaka
    • 岡山大学大学院自然科学研究科機能分子化学専攻 Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University
    • 岸本 昭 KISHIMOTO Akira
    • 岡山大学大学院自然科学研究科機能分子化学専攻 Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University

抄録

We have already proposed and demonstrated novel ceramic foams named "superplastically foamed ceramics" utilizing the superplastic deformation. Since almost all the processes are carried out in solid phase, figure and the location of the foaming agent can be controllable, leading to desired patterning of closed pore in a fully densified ceramics. We have already demonstrated two-dimensional (2D) pore patterning through the superplastically foaming method. In the present study, we aim to fabricate helical tubular pore in zirconia based ceramics as a typical 3D patterned pore. As a foaming agent, SiC powders were used with a form of thin sheet based on methylcellulose aqueous solution followed by drying. A core cylindrical matrix compact was first fabricated using <I>φ</I> 10 steel die and the liner foaming agent was attached to make helical pattern. The patterned core matrix was placed in <I>φ</I> 14 or <I>φ</I> 15 steel die and pressed together with the filled matrix powder. The resultant powder compact was heat treated at 1600°C for 8h for sintering followed by foaming to give a ceramics with 3D tubular pore. Continuous upheaval reflecting the tubular pore was clearly observed on the side wall of the cylinder and helical tubular pore with different pitch can be fabricated.

We have already proposed and demonstrated novel ceramic foams named "superplastically foamed ceramics" utilizing the superplastic deformation. Since almost all the processes are carried out in solid phase, figure and the location of the foaming agent can be controllable, leading to desired patterning of closed pore in a fully densified ceramics. We have already demonstrated two-dimensional (2D) pore patterning through the superplastically foaming method. In the present study, we aim to fabricate helical tubular pore in zirconia based ceramics as a typical 3D patterned pore. As a foaming agent, SiC powders were used with a form of thin sheet based on methylcellulose aqueous solution followed by drying. A core cylindrical matrix compact was first fabricated using <I>φ</I> 10 steel die and the liner foaming agent was attached to make helical pattern. The patterned core matrix was placed in <I>φ</I> 14 or <I>φ</I> 15 steel die and pressed together with the filled matrix powder. The resultant powder compact was heat treated at 1600°C for 8h for sintering followed by foaming to give a ceramics with 3D tubular pore. Continuous upheaval reflecting the tubular pore was clearly observed on the side wall of the cylinder and helical tubular pore with different pitch can be fabricated.

収録刊行物

  • 粉体および粉末冶金

    粉体および粉末冶金 59(2), 90-94, 2012-02-15

    Japan Society of Powder and Powder Metallurgy

参考文献:  11件中 1-11件 を表示

被引用文献:  1件中 1-1件 を表示

  • 粉末成形

    三浦 秀士 , 沖本 邦郎 , 宇波 繁 , 渡辺 龍三 , 後藤 隆宏 , 近藤 勝義 , 三浦 秀士 , 品川 一成 , 高木 研一 , 松原 秀彰 , 川崎 亮 , 橋井 光弥 , 久米 裕二 , 徳岡 輝和 , 三浦 秀士 , 津守 不二夫

    塑性と加工 54(631), 703-706, 2013-08-25

    J-STAGE 参考文献81件

各種コード

  • NII論文ID(NAID)
    10030479871
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    023549555
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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