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EFFECT OF BATH pH ON ELECTROLESSNi–PCOATING DEPOSITED ON OPEN-CELL ALUMINUM FOAMS

Author

Listed:
  • JIAAN LIU

    (Key Laboratory of Automobile Materials (Ministry of Education), College of Materials Science and Engineering, Jilin University, Changchun 130022, P. R. China)

  • FUJIAN SI

    (Key Laboratory of Automobile Materials (Ministry of Education), College of Materials Science and Engineering, Jilin University, Changchun 130022, P. R. China)

  • DONG LI

    (Key Laboratory of Automobile Materials (Ministry of Education), College of Materials Science and Engineering, Jilin University, Changchun 130022, P. R. China)

  • YAN LIU

    (Key Laboratory of Bionic Engineering (Ministry of Education), Jilin University, Changchun 130022, P. R. China)

  • ZHENG CAO

    (Key Laboratory of Automobile Materials (Ministry of Education), College of Materials Science and Engineering, Jilin University, Changchun 130022, P. R. China)

  • GUOYONG WANG

    (Key Laboratory of Automobile Materials (Ministry of Education), College of Materials Science and Engineering, Jilin University, Changchun 130022, P. R. China)

Abstract

Different electrolessNi–Pcoatings were deposited on open-cell aluminum foams at various bath pH. The effect of bath pH on the morphology, structure, components, phases and corrosion resistance of theNi–Pcoating was studied by scanning electron microscopy (SEM), confocal laser scanning microscope (CLSM), energy-dispersive spectroscopy (EDS), X-ray diffraction (XRD), immersion test and electrochemical polarization measurement, respectively. The experimental results show that the bath pH not only changed the reactivity of the bath, but also had a influence on the microstructure and anticorrosive property of electrolessNi–Pcoating. The high pH bath raises the thickness ofNi–Pcoating but decreases the content of phosphorus element in theNi–Pcoating. The corrosion resistance of the coated aluminum foams increases when the bath pH rises.

Suggested Citation

  • Jiaan Liu & Fujian Si & Dong Li & Yan Liu & Zheng Cao & Guoyong Wang, 2015. "EFFECT OF BATH pH ON ELECTROLESSNi–PCOATING DEPOSITED ON OPEN-CELL ALUMINUM FOAMS," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 22(06), pages 1-12.
    • Handle: RePEc:wsi:srlxxx:v:22:y:2015:i:06:n:s0218625x15500766
    DOI: 10.1142/S0218625X15500766
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