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Thermodynamics of Composition Control of CaO‐MnO‐Al 2 O 3 ‐SiO 2 Inclusions in Tire Cord Steel
Author(s) -
Wang Haitao,
Wang Fuming,
Hao Ning,
Xu Zhongbo,
Jin Liling
Publication year - 2007
Publication title -
steel research international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.603
H-Index - 49
eISSN - 1869-344X
pISSN - 1611-3683
DOI - 10.1002/srin.200705895
Subject(s) - materials science , oxide , atmospheric temperature range , melting point , melting temperature , content (measure theory) , mineralogy , metallurgy , composition (language) , thermodynamics , analytical chemistry (journal) , composite material , chemistry , mathematical analysis , linguistics , physics , mathematics , philosophy , chromatography
The effect of oxide component content on the low melting point zone (simplified as LMP) in the CaO‐MnO‐Al 2 O 3 ‐SiO 2 system has been analysed by FactSage. The contents of [Si], [Mn], [O] and [Al] in liquid steel which are in equilibrium with the LMP inclusions in the CaO‐MnO‐Al 2 O 3 ‐SiO 2 system have been calculated. The results show that the CaO‐MnO‐Al 2 O 3 ‐SiO 2 system has the largest LMP zone (below 1400°C) when the Al 2 O 3 content is 20% or the CaO content is 15%, and that the LMP zone becomes wider with increase in SiO 2 and MnO contents (within the range of 0~25%). To obtain LMP inclusions (below 1400°C), [Si] and [Mn] can be controlled within a wide range, but [Al] and [O] must be controlled within the range of 0.5~5 ppm and 50~120 ppm, respectively.
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