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OXIDATION OF AN ELECTRODEPOSITED Cu-30Ni-20Cr NANOCOMPOSITE |
中国科学院金属研究所腐蚀与防护国家重点实验室 |
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Cite this article:
. OXIDATION OF AN ELECTRODEPOSITED Cu-30Ni-20Cr NANOCOMPOSITE. Acta Metall Sin, 2006, 42(3): 290-294 .
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Abstract A novel electrodeposited Cu-rich Cu-30Ni-20Cr nanocomposite was fabricated on pure copper substrate by co-electrodeposition of Cu-Ni alloy base (mean grain size: 60 nm) with Cr nanoparticles (meansize: 28 nm) from a sodium citrate bath. Compared with electroplated Cu-40Ni alloy film prepared using the same bath, the Cu-30Ni-20Cr nanocomposite exhibited an extremely low oxidation rate in air at 800oC, due to the fast formation of a continuous Cr2O3 scale. The effect of the Cr nanoparticles on the oxidation behavior of the Cu-Ni-Cr nanocomposite films is discussed in detail.
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Received: 10 June 2005
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