HIP合成ダイヤモンド/SiC複合焼結体の物性評価と高圧発生用アンビルへの応用 Characterization of HIP-fabricated Diamond/SiC Compound and Its Application to High Pressure Anvil

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著者

    • 大高 理 OHTAKA Osamu
    • 大阪大学大学院宇宙地球科学専攻 Dept. of Earth and Space Sci., Graduate School of Sci., Osaka Univ.

抄録

Diamond grains of various sizes and also the mixed powders of diamond and Si made up in various proportions in different proportions were prepared as the starting materials for synthesis experiments. Respective material was charged in a capsule consisted of Si and SiC and HIPed at 1450°C and 200 MPa for 30 min. After the capsule was removed by mechanical and chemical treatments, their physical properties were measured. By comparison of the density and the bulk modulus, the sample whose starting material was diamond of 12 μm without additive showed the best values. These values were close to those of the material obtained by means of the solid compression of diamond and SiC (ADC). Microscopic observation and XRD revealed that the obtained samples was a sintered compound of diamond and SiC whose hardness was comparable to that of ADC.<br>The compound was used to make high-pressure anvils. The prepared test anvils were strong enough to generate high pressures and temperatures up to 17 GPa and 700°C. The transparency to X-ray is another advantage of this anvil. Its further use is expected in high pressure research such as in situ observations of physical properties under compression.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 52(10), 747-752, 2005-10-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10018283455
  • 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
    7709745
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • 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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