薄肉球状黒鉛鋳鉄の黒鉛粒数に及ぼす元湯S量の影響

書誌事項

タイトル別名
  • Effect of Sulfur Content in Base Melt on Nodule Count of Spheroidal Graphite Cast Iron
  • ウスニク キュウジョウ コクエン チュウテツ ノ コクエンリュウスウ ニ オヨボス モトユ Sリョウ ノ エイキョウ

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抄録

  To study the effects of sulfur content on the nodule count of spheroidal graphite cast iron, the sulfur content of the base melt was varied from 0.0004 mass % to 0.1mass %. The melt was then treated by Mg-ferrosilicon using the sandwich process to produce spheroidal graphite cast iron. The post-inoculated melt with ferrosilicon was poured into the silica sand molds with 2 mm thickness cavities to make thin castings specimens. The graphite nodule count and chilled structures in the thin sections were studied. The relationship between the nodule count and chill area was clarified and consequently the optimum sulfur content to avoid chill structure was obtained.

収録刊行物

  • 鋳造工学

    鋳造工学 74 (1), 30-35, 2002

    公益社団法人 日本鋳造工学会

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