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DISCUSSION ON THE CORROSION OF CAST IRON BY SULPHUROUS GASES AT HIGH TEMPERA TURE IN TERMS OF THERMODYNAMICS OF IRREVERSIBLE PROCESS |
Zhai Yuchun(Center-South University of Technology) |
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Abstract The corrosion of cast iron by various sulphurous gases at high temperature follows the parabolic law, In this paper, the kinetics of corrosion of cast iron at high temperature in S, CS_2, H_2S and SO_2 of gaseous state are discussed with the principle of thermodynamics of irreversible process. Formulas of parabolic law are derived, and the mechanism of reaction is intererpreted.
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Received: 25 April 1987
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[1] 中井弘;铁钢,47,1613(1961) [2] Wagner, C., Z. Physik. Chem., B21, 25(1933) [3] Yao, Y. L., J. Chem. Phys., 43, 3050(1965) [4] De Groot,S.R.;Mazur.P.,陆全康译,《非平衡态热力学》,上海科学技术出版社,(1981) [5] De Groot,S.R.,詹励宾译,《不可逆过程热力学》,科学出版社,(1960) 。 |
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