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Morphologies and corrosion resistances of electroless Ni-P coated nanoporous coppers

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Abstract

In order to improve the corrosion resistance of nanoporous coppers (NPCs), the electroless Ni-P coated NPCs were prepared in plating solutions with different pH values (5, 8, 11) and complexing agent (actic acid, citric acid). The morphologies and corrosion resistances of the as-prepared samples were investigated. The results showed that the double complexing agent composed of lactic acid and citric acid is relatively suitable for preparing the Ni-P coated NPC with three-dimensional continuous interpenetrating ligament-channel structures, and the uniform ligaments and nanoporous channels could be obtained at pH8. The Ni-P coated NPC showed higher corrosion potentials than NPC in H2SO4, NaOH and NaCl corrosion solutions.

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Authors and Affiliations

  1. Faculty of Material Science and Engineering, Xi’an University of Technology, Xi’an, 710048, China

    Qing Yang, ShuHua Liang, Jia Wang & Ying Wang

  2. Shaanxi Province Key Laboratory for Electrical Materials and Infiltration Technology, Xi’an, 710048, China

    Qing Yang & ShuHua Liang

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  1. Qing Yang
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  2. ShuHua Liang
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  3. Jia Wang
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  4. Ying Wang
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Correspondence to ShuHua Liang.

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Yang, Q., Liang, S., Wang, J. et al. Morphologies and corrosion resistances of electroless Ni-P coated nanoporous coppers. Sci. China Technol. Sci. 56, 1147–1150 (2013). https://doi.org/10.1007/s11431-013-5185-6

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  • DOI: https://doi.org/10.1007/s11431-013-5185-6

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