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研究了稀土元素Ce、Nd对NiAl-28Cr-5.5Mo-0.5Hf合金高温氧化性能的影响,并通过扫描电镜和能谱分析研究了氧化产物的微观组织与成分.结果表明:稀土的加入改变了表层氧化膜中各氧化物的含量,适量稀土元素的加入可消除内氧化和减小氧化增重.

参考文献

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