核融合炉ブランケット用SiC/SiC複合材のガス透過特性 Gas Permeability of SiC/SiC Composite as Blanket Material of Fusion Reactor

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Gas permeability of SiC/SiC composite materials, which is one of the most important properties in application of SiC/ SiC composite for first wall and blanket of fusion reactors, was measured by using a vacuum apparatus. The cylindrical SiC/SiC composite specimens were prepared by three different processes. The measurement on permeability for three materials was carried out with helium gas pressure ranging from 10<SUP>2</SUP>to 10<SUP>5</SUP> Pa at room temperature.<BR>The pressure in bottom chamber down stream of specimens increased with the helium gas pressure within the applied pressure range. The helium gas flow through the material is regarded as molecular flow. The material made by PIP method showed the highest permeability. The lowest permeability was observed in the one made by PIP followed by RS method. The material, SA-TyrannoHex<SUP>TM</SUP> made by hot pressing was in the second position. The difference of the permeability can be related with the macroscopic structure represented by pores and cracks.

収録刊行物

  • 真空

    真空 45(3), 145-148, 2002-03-20

    The Vacuum Society of Japan

参考文献:  9件中 1-9件 を表示

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  • 安全性

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  • 簡易保守トカマク核融合炉:DREAM

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    参考文献9件 被引用文献3件

  • 反応焼結SiC基長繊維複合材料の開発

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各種コード

  • NII論文ID(NAID)
    10008202826
  • NII書誌ID(NCID)
    AN00119871
  • 本文言語コード
    JPN
  • 資料種別
    SHO
  • ISSN
    05598516
  • NDL 記事登録ID
    6144133
  • NDL 雑誌分類
    ZN15(科学技術--機械工学・工業--流体機械)
  • NDL 請求記号
    Z16-474
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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