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Corrosion behaviour and characterisation of Ni–Nb2O5 composites prepared by pulse electrodeposition

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Abstract

The Ni–Nb2O5 composites were prepared by pulse electrodeposition method. Operating variables were optimized for getting a good deposit. The quantity of Nb2O5 particles in the coating was analyzed by an energy-dispersive X-ray diffraction spectrometer. X-ray diffraction and scanning electron microscopy were used to analyze the structure and surface morphology of the coatings. Texture coefficient and hardness of the deposits were determined and discussed. The corrosion behavior of the coatings was analyzed by traditional weight loss and electrochemical methods. Comparisons of the corrosion behaviour of coatings obtained by direct current (DC) and pulse current (PC) were investigated.

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Authors and Affiliations

  1. Department of Chemistry, Srinivas School of Engineering, Mukka, Karnataka, 574146, India

    R. Mohan Reddy & B. M. Praveen

  2. Department of Chemistry, PESIT, Shimoga, Karnataka, 574204, India

    C. M. Praveen Kumar

Authors
  1. R. Mohan Reddy
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  2. B. M. Praveen
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  3. C. M. Praveen Kumar
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Correspondence to B. M. Praveen.

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Mohan Reddy, R., Praveen, B.M. & Praveen Kumar, C.M. Corrosion behaviour and characterisation of Ni–Nb2O5 composites prepared by pulse electrodeposition. Surf. Engin. Appl.Electrochem. 53, 179–185 (2017). https://doi.org/10.3103/S1068375517020090

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  • DOI: https://doi.org/10.3103/S1068375517020090

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