Structure of TiOx Precipitated during Solidification of Steel

Hui Gai Li; Yue Gong; Cun Bo Yang; Shao Bo Zheng; Qi Jie Zhai

doi:10.4028/www.scientific.net/AMR.341-342.85

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 341-342Structure of TiOx Precipitated during...

Structure of TiOx Precipitated during Solidification of Steel

Abstract:

Various Ti oxides formation potential was analysised by thermodynamics during solidification of steel. It was found that Ti₃O₅ is the most stable one among all the types of Ti oxides. The effect of Mn element on the structure of Ti oxide was analysised by some experiments. The structure of Ti oxide without Mn is Ti₃O₅, and the inclusion, which contains some content of Mn, is Ti₂O₃ with rhombohedra structure. It is assumed that, [Ti] and [O] in liquid steel precipitated in form of Ti₃O₅. During the cooling process of solid steel, Ti₃O₅ reacted with [Mn], and exsited in form of Ti₂O₃ and MnO complex inclusion, which is advantageous for the nucleation of IGF.

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Periodical:

Advanced Materials Research (Volumes 341-342)

Pages:

85-88

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.341-342.85

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Online since:

September 2011

Authors:

Hui Gai Li, Yue Gong, Cun Bo Yang, Shao Bo Zheng, Qi Jie Zhai

Keywords:

Steel, Structure, Thermodynamic, Ti Oxide

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