純Fe-C-Si合金の組織と凝固過程に及ぼすCaC<SUB>2</SUB>吹込みによる脱硫の影響

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タイトル別名
  • The Influence of Desulfurization by Calcium-Carbide Injection on the Microstructure and Process of Solidification of Pure Iron-Carbon-Silicon Alloys
  • 純Fe-C-Si合金の組織と凝固過程に及ぼすCaC2吹込みによる脱硫の影響
  • ジュンFe-C-Si ゴウキン ノ ソシキ ト ギョウコ カテイ ニ オヨボス CaC2 フキコミ ニ ヨル ダツリュウ ノ エイキョウ

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抄録

The influence of desulfurization by calcium-carbide injection on the microstructure of pure iron-carbon-silicon alloys has been studied. Desulfurization with calcium carbide results in a remarkable change in the form of graphite, namely, flaky-type graphite in untreated alloy, fine undercooled graphite and spheroidal graphite in extremely desulfurized alloy. The process of solidification in the alloys was studied by the quenching method. Fine undercooled graphite in the extremely desulfurized alloy corresponds to the lower eutectic temperature and larger number of eutectic cells. Determination of oxygen and nitrogen contents in the alloys was also carried out. The results indicate that the described change in the sequence of solidification and graphite type is caused by sulfur.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 26 (3), 209-214, 1962

    公益社団法人 日本金属学会

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