Interactions of Molten Fe-Cr Alloy with Refractories

Yuhsuke Mizukami, Tsuneo Itoh, Masakazu Kimoto, Takahiro Miki, Tetsuya Nagasaka, Mitsutaka Hino

研究成果: Conference contribution

抄録

Crude high Cr containing steel such as tool steel, heat-resistant steel or stainless steel is produced by dissolution of high carbon ferro-chromium into molten crude steel. In the refining process, decarburization is performed at the first stage, and deoxidation is followed in the next stage. Therefore, the equilibrium relation between dissolved Cr and O in molten Fe-Cr alloy after decarburization is very important when yield of deoxidizer is considered for the overall control and optimization of the process. It is well known that the yield of deoxidizer does strongly depend on the kinds of refractories of furnace in the secondary refining process. In the present work, the equilibrium relation between dissolved Cr and O in molten Fe-Cr alloy has been measured in a Cr 2O 3, MgO or Al 2O 3 crucible at steelmaking temperature. O contents at given Fe-Cr components have been lower in order of Cr 2O 3, Al 2O 3 and MgO crucible. The present results have been discussed based on the activities of the constituents in pure solid Cr 2O 3, and FeO ̇Cr 2O 3, MgOCr 2O 3 and (Al,Cr) 2O 3 solid solutions.

本文言語English
ホスト出版物のタイトルModeling, Control, and Optimization in Ferrous and Non-Ferrous Industry
編集者F. Kongoli, B.G. Thomas, K. Sawamiphakdi
ページ15-28
ページ数14
出版ステータスPublished - 2003 12 1
イベントMaterials Science and Technology 2003 Meeting - Chicago, IL, United States
継続期間: 2003 11 92003 11 12

出版物シリーズ

名前Materials Science and Technology 2003 Meeting

Other

OtherMaterials Science and Technology 2003 Meeting
CountryUnited States
CityChicago, IL
Period03/11/903/11/12

ASJC Scopus subject areas

  • Materials Science(all)

フィンガープリント 「Interactions of Molten Fe-Cr Alloy with Refractories」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル