石灰石添加自溶性ペレットの高温還元軟化性状

書誌事項

タイトル別名
  • High Temperature Reduction and Softening Properties of Lime-fluxed Pellets
  • セッカイセキ テンカ ジヨウセイ ペレット ノ コウオン カンゲン ナンカ セ

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説明

This paper describes the effect of basicity, SiO2 contents and indurated temperature on high temperature properties of pellets. The high temperature properties of sampled pellets were evaluated by means of high temperature reduction test and softening test under load using 5 pellets and one pellet respectively.<BR>These properties depend on the forming temperature and amount of the 1st-liquid with low m.p. which is formed during the reaction between slag components and wustite. Therefore, it is effective for improving high temperature properties, that the generation of liquidus phase with higher m.p. in indurated pellets and that the increase of T. Fe-contents in pellets. In the case of lime-fluxed pellets, pellets with a mixed bonding structure, that is hematite+calcium ferrite+high basicity silica slag (and, or dicalcium silicate), show better high temperature reduction properties and softening properties.

収録刊行物

  • 鉄と鋼

    鉄と鋼 66 (9), 1297-1306, 1980

    一般社団法人 日本鉄鋼協会

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