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金属学报  2000 

微晶化对β-NiAl金属间化合物1000℃空气中氧化行为的影响

, PP. 511-516

Keywords: β-NiAl,氧化,微晶涂层

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Abstract:

利用TGA,XRD,SEM对铸造β-NiAl和NiAlY合金以及溅射NiAl微晶涂层在1000℃空气中的恒温及循环氧化行为进行了研究,三种的恒温氧化动力学均近似符合抛物线规律,氧化过程中都有相变发生,微晶化能够促使细小,紧密.单一完整的α-Al2O3氧化膜形成,同时微晶化与添加稀土元素Y均明显提高循环氧化过程中氧化膜的粘附性.

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