鉄と鋼
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
高温プロセス基盤技術
溶鉄中CuとB,Co,Ni間の相互作用係数
小野 英樹前田 貴章小西 宏和
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2018 年 104 巻 3 号 p. 121-127

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In recycling a lot of low grade ferrous scraps, we cannot remove tramp elements, such as copper and tin, which are inevitably dissolved in molten iron. Accordingly, the thermodynamic data between copper and alloying elements in molten iron are necessary to know the influence of copper on the property of steel. However, the available data are not enough because of the difficulty of the measurements. One of the purposes of this study is to develop a method to measure the thermodynamic data of tramp elements in iron. In this work, we have tried to measure the oxidation equilibria of copper in molten iron by using silver as an intermediate phase. By applying this method, the interaction between Cu and M(M: B, Co or Ni) in molten iron has been investigated at 1873 K.

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