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OXIDATION OF Ti IN MOLTEN Cu UNDER WATERY ATMOSPHERE |
XUE Xiangxin;DU Hegui Northeast University of Technology; Shenyang Department of Ferrous Metallurgy;Northeast University of Technology;Shenyang;110006 |
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Cite this article:
XUE Xiangxin;DU Hegui Northeast University of Technology; Shenyang Department of Ferrous Metallurgy;Northeast University of Technology;Shenyang;110006. OXIDATION OF Ti IN MOLTEN Cu UNDER WATERY ATMOSPHERE. Acta Metall Sin, 1990, 26(1): 153-154.
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Abstract An experimental study has been made of the oxidation of Ti in molten Cu-Tialloy under watery atmosphere at 1500℃. The results may be expressed as follows: [Ti]_(Cu)=0.92-0.69t 0≤t≤1.0 (h) [Ti]_(Cu)=0.02t~2-0.14t+0.35 1.0≤t≤6.0 (h) The apparent rate and orders of related reaction are: -d[Ti]_(Cu)/dt=0.69, pseudo-zeroth order, k=0.69 -d[Ti]_(Cu)/dt=0.14-0.04t, pseudo-0.85 order, k=0.39 The apparent mass transfer coefficient k'_(Ti)=0.16cm/h, and the relation of W~2 vs time: W~2=1.04×10~(-4)t
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Received: 18 January 1990
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1 周继程,邹元(忄羲),赵彭年,李鸿明,张子青.见:中国金属学会编,中国金属学会1979--1980年优秀论文集,第四分册,北京:冶金工业出版社,1984:83 2 Wagner C. Z Phy Chem, 1933; B21: 25 3 Edstrom J O, Bitsianes G. J Met, 1955; 7: 760 4 中井弘.铁钢,1961;47:161 |
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