含Ti銑使用時における鋳巣発生の原因について

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書誌事項

タイトル別名
  • On the Mechanism of Occurence of Casting Defects in Castings Containing Titaniun
  • ガン Tiセンシヨウジ ニ オケル イス ハッセイ ノ ゲンイン ニ ツイテ

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抄録

Previously the authors have reported on the configuration of Ti compounds in pig iron. This investigation was undertaken to study the mechanism of occurence of casting defects, such as to pin holes, in casting goods containing Ti. The results obtained were as follows: (1) The castings having 0.055∼0.13%Ti were apt to have casting defects like pin holes. This tendency was promoted by higher casting temperature and slower cooling velocity during solidification. (2) When a sample having casting defects like pin holes was divided into several parts, TiC(N) was rich in parts having much defects and TiN(C) rich in parts having little or no defects. (3) It is considered that defects like pin holes in castings containing Ti are due to N2, which is formed reaction TiN+C→TiC+1/2 N2.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 26 (7), 461-466, 1962

    公益社団法人 日本金属学会

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