【摘 要】
：
The modifying effect of rare earth (RE) oxide on inclusions in hardfacing metals of medium-high carbon steel was investigated by means of thermodynamics. The t
【机 构】
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College of Materials Science and Engineering
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The modifying effect of rare earth (RE) oxide on inclusions in hardfacing metals of medium-high carbon steel was investigated by means of thermodynamics. The t hermodynamic analysis for inclusion formation shows that RE oxide can be redu ced to RE element by carbon, then the RE element can react with oxygen and sulfu r to form the RE oxide, RE sulfide and RE oxide-sulfide in hardfacing molten po ol. The deoxidization and the desulphurization can be carried out and the liquid metal can be purified. In addition, RE oxide can also react with sulfur to form RE oxide-sulfide directly. Therefore, the harmful effect of sulfur can be decr eased.
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