Relations between Freezing Rate of Ingot and Segregations of Sulphur, Phosphorus, Oxygen and Nitrogen Studies on the solidification of ingots-I

Yoshitaka NAKAGAWA; Akitsugu MOMOSE

doi:10.2355/tetsutohagane1955.50.13_2175

鋼塊の凝固速度と硫黄, 燐, 酸素および窒素の偏析との関係について

鋼塊の凝固に関する研究-I

中川義隆, 百瀬昭次

著者情報

ジャーナルフリー

1964 年 50 巻 13 号 p. 2175-2181

DOI https://doi.org/10.2355/tetsutohagane1955.50.13_2175

詳細

抄録

In this report, relations between freezing rate and segregation of sulphur, phosphorus, oxygen and nitrogen on Fe-S, Fe-P, Fe-O and Fe-N systems were studied, and it was shown that in order to present segregation, freezing rates should be above 1.2mm/min, in case of oxygen and1.8mm/min, in cases of sulphur, phosphorus and nitrogen.
Calculation from measured results shows that the value of K₀ is 0.15 which is larger than old data, and σ/Ds=1.6-3.8×10³sec/cm, σ/D_p=1.1-3.4×10³sec/cm, σ/D_O=1.94×10³sec/cm and σ/D_N=1.15-10³sec/cm.

責任著者(Corresponding author)

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