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Abstract:
借助于SEM、X射线衍射技术及IPP粉末粒度仪等系统地研究了稀土镧、钇对蓝色氧化钨(BO)氢还原的影响。结果表明:稀土元素镧、钇在蓝色氧化钨的还原钨粉中以氧化物及钨酸盐形式存在;还原后所得的钨粉颗粒大多为规则形状的多面体;稀土镧、钇和铝相似,强烈地抑制BO氢还原钨粉颗粒的长大,而且钇的作用更为显著。
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稀有金属材料与工程
Year: 1994
Issue: 05
Page: 52-55
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0