从化学反应动力学角度出发.探讨了还原扩散法制备DyFe2过程中Ca的迁移形式,Ca还原Dy2O3的速度,还原出的Dy迁移到Fe粉表面的方式以及DyFe2的形成过程.相应表观活化能的计算值为45 kJ/mol.
参考文献
[1] | Xu G X. Rare Earth (Vol.2). Beijing: Metallurgy Industry Press, 1995:92(徐光宪主编.稀土.中册.北京:冶金工业出版社.1995:92) |
[2] | Qi G J, Mitsuhisa H, Akira Y. Mater Trans JIM, 1990;31:463 |
[3] | Li Z Q, Chen Y F, Niu Q B, Xie Y S. Power Metall Technol, 1996; (4): 14(李自强.陈运红,牛求彬.谢裕生:粉末冶金技术,1996;(4):14) |
[4] | GUO G S, Huang Z Q, SUI Z T, Zhou Y L. Chin J Mater Res, 2000; 14:509(郭广思,黄振奇,隋智通.周玉林.材料研究学报,2000;14:509) |
[5] | Liang Y J, Che Y C. Hand Book of Thermodynamical Data for Inorganic Substance. Shenyang: Northeastern University Press, 1993:513(梁英教,车荫昌主编.<无机物热力学数据手册>.沈阳:东北大学出版社.1993:513) |
[6] | Thaddeus B M, Hiroaki O, Subramanian P R, Linda K.Binary Alloy Diagrams, The United States of America:William W. Scott, Jr. 1990:909 |
[7] | Han Q Y. Metallurgy Process Kinetics, Beijing: Metallurgy Industry Press, 1983:160(韩其勇主编.<冶金过程动力学>,北京:冶金工业出版社,1983:160) |
[8] | Jacobs P W M, Tompkins F C, Garner W E. Chemistry of the Solid State. New York: Academic Press, 1955:184 |
[9] | Budnikov P P, Ginstring A M. Principles of Solid State Chemistry. New York: Gordon and Breach, 1968:168 |
[10] | Carter P E. J Chem Phys, 1961; 34:2010 |
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