研究了NiAl-31Cr-3Mo合金在1250～1500 K空气中的氧化行为.实验结果表明:在实验温度范围内,合金的氧化动力学曲线符合抛物线规律;氧化过程中合金表面生成了以а-Al2O3为主的氧化膜,并且含有Cr2O3.采用扫描电镜和能谱分析研究了氧化产物的微观组织及{连成,并从合金的相组成探讨了NiAl-31Cr-3Mo合金的氧化机制.
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