Co-15Y合金在600～800℃纯氧中的氧化动力学偏离抛物线规律,形成氧化钴(600℃)和含两组元的混合(700～800℃)外氧化膜,各温度下合金均发生钇的内氧化,但在内氧化前沿的合金中未观察到钇的贫化,结合钇在钴中有限的溶解度和合金双相特征讨论了其氧化机制.
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