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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 1    March 1995

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ELECTROLYTIC SEPARATION FOR Ce-CARBIDE AND Fe-Ce-CARBIDE IN STEEL
Xiao Qiang1 ;Han Qiyong1;Ding Shijie2

1.Department of Physical Chemistry; University of Science and Technology Beijing; Beijing 100083;
 2.Beijing University of Chemical Technology

Abstract:The possibility of separating RE-carbide by electrolysis was discussed on the basis of electrolyte contrast, magnetic separation and X-ray diffraction analysis. The experiments showed that the electrolyte consisting of 1℃ LiCl + 5%N(CH2CH2OH)3+5%C2H6O2+89% anhydrous CH3CH2OH was appropriate for the electrolytic separation of Ce-carbide and Fe-Ce-carbide. And it was found that when the content of cerium in the steel exceeded a certain amount, Fe2Ce2C3 and Ce2C3 would be formed in sequence with the increase of the content of carbon.

 

Key words: Ce-carbide; Fe-Ce-carbide; electrolytic separation;

ISSN 1672-7029
CN 43-1423/U

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