A Consideration on the Effect of Alloying Element on the Transformation of Steel
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概要
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Thermodynamic method proposed in the previous paper to deal with the transformation of steel has been developed for three-components iron alloys. An equation has been derived as to the effect of a third element on the Ms temperature of an iron-carbon alloy, and the results are compared with the experimental ones. Calculation is also made of the equation to derive the carbonequivalent for hardenability and crack-sensitivity in the weld heat-affected zone on the basis of Ms temperature, and comparisons are made between calculated and empirical equations. The change in Ms temperature of an Fe-Ni-C alloy calculated by the present method is in good agreement with the experimental value. The effects of other alloying elements on Ms temperature and the coefficient in the equation of carbon equivalent for weldability can be calculated in reasonable agreement with experimental values.
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一般社団法人 溶接学会 | 論文
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