用电沉积-烧结方法在渗铝耐热钢表面制得均匀致密的Y2O 3薄膜，研究其对渗铝HK40钢分别在850℃、1000℃等温氧化行为的影响.结果表明，在渗 铝层表面施加Y2O3薄膜能降低其氧化速率.对稀土氧化物的作用机制进行了探讨.
A uniform,dense and defect-free Y2O3 thin film was applied on the surface of aluminized HK40 steel by electrodeposition pyroly sis method.The influence of this film on the isothermal oxidation behavior of th e aluminized HK40 steel,which was exposed to ambient atmosphere at 850℃,1000℃ respectively,was investigated.The results show that,by surface-applied Y2O3 thin film,the oxidation resistance of the aluminized HK40 steel is increased.The effects of the Y2O3 film on the oxidation are discussed.
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