ON THE FORMATION OF Ti(C, N) IN BLAST FURNACE

Acta Metall Sin

1991, Vol. 27

Issue (3): 89-94 DOI:

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ON THE FORMATION OF Ti(C, N) IN BLAST FURNACE

DU Hegui;DU Gang Northeast University of Technology; Shenyang

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DU Hegui;DU Gang Northeast University of Technology; Shenyang. ON THE FORMATION OF Ti(C, N) IN BLAST FURNACE. Acta Metall Sin, 1991, 27(3): 89-94.

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Abstract The formation of Ti(C, N) occurs principally on the interfacial reac-tions between slag and coke as well as between slag and liquid iron in the blast fur-nace. The mechanism and state of formation for these two paths are different. Atthe slag-coke interface, TiC is formed first, and the unhomogeneous interstitial solidsolution Ti(C, N) is then formed by nitrogen atom diffusion from furnace gas intoTiC lattice. The slag basicity and temperature are extremely influential in the forma-tion of Ti(C, N). The larger the slag-coke interface is, the more favourable the for-mation of Ti(C, N) will be.

Key words: Ti(C N) slag-coke reaction slag-iron reaction energy spectrum analysis

Received: 18 March 1991

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1991/V27/I3/89

1 Gladman T, Woodhead J H. J Iron Steel Inst, 1960; 194; 189--193
2 崔秀文,王竹萍,姜雅丽.钢铁钒钛,1984;(2) :87-93
3 朱明三,高华,朱尚德.钢铁钒钛,1984;(2) :102-1073

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