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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Cu-30Ni-20Cr纳米复合镀层的高温氧化行为
, PP. 290-294
Keywords: 电沉积,Cu-Ni-Cr,纳米复合镀层,氧化
Abstract:
用复合电沉积的方法制备出新型的Cu-30Ni-20Cr纳米复合镀层，该镀层的组织结构与Cu-Ni-Cr三元合金不同，是由Cu-Ni基固溶体（晶粒尺寸为~60nm）和纳米Cr颗粒（平均尺寸~28nm）组成。与相同的工艺条件下制备的Cu-40Ni合金镀层相比，Cu-30Ni-20Cr纳米复合镀层在800℃空气中氧化速率显著降低，这是由于它能迅速形成一层连续、致密的Cr2O3膜。本文对Cr颗粒在Cu-30Ni-20Cr纳米复合镀层高温氧化过程中所起的作用进行了讨论。
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