Effects of Y2O3 and CeO2 on the Processing of Rare-earth-tungsten Materials

Chen Ying; Me Zuoren; Zhang Jiuxing; Zhou Meiling

Chen Ying, Me Zuoren, Zhang Jiuxing, Zhou Meiling. Effects of Y2O3 and CeO2 on the Processing of Rare-earth-tungsten Materials[J]. Journal of Beijing University of Technology, 1999, 25(4): 94-97,113.

Citation:

Chen Ying, Me Zuoren, Zhang Jiuxing, Zhou Meiling. Effects of Y2O3 and CeO2 on the Processing of Rare-earth-tungsten Materials[J]. Journal of Beijing University of Technology, 1999, 25(4): 94-97,113.

Citation:

Chen Ying, Me Zuoren, Zhang Jiuxing, Zhou Meiling. Effects of Y2O3 and CeO2 on the Processing of Rare-earth-tungsten Materials[J]. Journal of Beijing University of Technology, 1999, 25(4): 94-97,113.

Effects of Y₂O₃ and CeO₂ on the Processing of Rare-earth-tungsten Materials

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The effects of Y₂O₃ and CeO₂ on the processing of the tungsten electrodes were analyzed by means of SEM and x-ray diffraction. The results show that the growing of tungsten powders and the crystal granularity after sintering are greatiy retarded by Y₂O₃, and comparatively cess retarded by CeO₂. Beside tungstates or oxytungstates are the main phases of rare earth in the sintered rods, and their stability affects the materials characteristics of heat processing.

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Effects of Y2O3 and CeO2 on the Processing of Rare-earth-tungsten Materials

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Effects of Y₂O₃ and CeO₂ on the Processing of Rare-earth-tungsten Materials