多合金系白鋳鉄の凝固過程 Solidification Sequence of Multi-Component White Cast Iron

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  The solidification sequences of multi-component white cast irons containing different types of carbides were investigated by means of thermal analyses and quenching tests. In the case of cast iron with MC and M<sub>2</sub>C eutectic carbides, first austenite (<i>γ</i>) phase or MC carbide precipitates as a primary phase, then the L→<i>γ</i>+MC eutectic reaction takes place and finally, the solidification finishes by the L→<i>γ</i>+M<sub>2</sub>C eutectic reaction. In cast iron in which MC and M<sub>7</sub>C<sub>3</sub> carbides coexist, the solidification begins with the precipitation of the primary <i>γ</i> phase or MC carbide, followed by the L→<i>γ</i>+MC eutectic reaction goes, and then the L→<i>γ</i>+M<sub>7</sub>C<sub>3</sub> eutectic reaction. As for cast iron with MC, M<sub>7</sub>C<sub>3</sub> and M<sub>2</sub>C eutectic carbides, the solidification sequence is as follows : L<sub>0</sub>→<i>γ</i>+MC+(L<sub>1</sub>), L<sub>1</sub>→<i>γ</i>+M<sub>7</sub>C<sub>3</sub>+(L<sub>2</sub>) and L<sub>2</sub>→<i>γ</i>+M<sub>2</sub>C. EDS analyses of alloy concentrations in the liquid regions of the quenched sample demonstrated the propriety of each eutectic reaction during solidification.

収録刊行物

  • 鋳造工学 = Journal of Japan Foundry Engineering Society  

    鋳造工学 = Journal of Japan Foundry Engineering Society 68(8), 637-643, 1996-08-25 

    Japan Foundry Engineering Society

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各種コード

  • NII論文ID(NAID)
    10002113830
  • NII書誌ID(NCID)
    AN10514770
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13420429
  • NDL 記事登録ID
    4021292
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-277
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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