流動成形した正方形角柱アルミナ焼結体のもつ偏心球面の形状精度 Shape Precision of Eccentric Spherical Surface on Square Columnar-Shaped Sintered Compact from Alumina Granule by Flow Compaction

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Alumina granule admixed with liquid paraffin was formed by flow compaction to square columnar-shaped green compact with eccentric and concentric spherical surfaces. The maximum sintered density was 96.6% on relative density by addition of liquid paraffin 2.5 mass% and compacting pressure of 98 MPa. Outer diameter of sintered compact was shrunk from green compact to 18%. The height from center of concentric spherical surface of sintered compact was shrunk from green compact to 18.7%. The height from center of eccentric spherical surface on sintered compact was shrunk from green compact to 18.5%. The difference of the shape precision of eccentric spherical surfaces at thin side on sintered compact by liquid paraffin content of 2.5 mass% and 5.0 mass% was not recognized. The difference of the shape precision between thin side and thick side of eccentric spherical surface on sintered compact by liquid paraffin content of 2.5 mass% was not recognized, it appeared the effect of flow compaction. However, in case of liquid paraffin content of 5.0 mass% exceeded the optimum value, the shape of thick side of eccentric spherical surface on sintered compact was smaller diameter than the shape of thin side.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 55(5), 295-300, 2008-05-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10021173085
  • 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
    9531429
  • 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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