Influence of Porosity on Grinding Performance of Porous Cast-iron Bonded Diamond Grinding Wheel made by Pulse Electic Current Sintering Method

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The porous cast-iron bonded (PCIB) diamond grinding wheel, which has recently been developed, had an excellent grinding performance for structural ceramics. Although this grinding performance of PCIB wheel depends on the porosity, the effect of the porosity on the grinding performance has not yet been studied.<BR>In this paper, the PCIB diamond grinding wheels, which have several porosities under a constant grain volume percentage, were produced by the pulse electric current sintering method. And the grinding tests using these PCIB wheels built as a trial were undergone for silicon nitride. From experimental results, the influence of the porosity on the grinding performance was discussed. The results were as follows: (1) The wear rate of wheel increased with decreasing mechanical strength due to porosity. (2) The PCIB wheels with porosity over 25% were a low specific grinding energy with no relation to the grinding pressure.<BR>(3) There was the optimum porosity that gave the maximum grinding ratio.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 46(3), 257-261, 1999-03-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10002262041
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    4690204
  • 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  NDL  J-STAGE 
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