Wear and corrosion resistance of electroless plating Ni-P coating on P110 steel
Naiming Lin , Peng Zhou , Jiaojuan Zou , Faqin Xie , Bin Tang
Journal of Wuhan University of Technology Materials Science Edition ›› 2015, Vol. 30 ›› Issue (3) : 622 -625.
Wear and corrosion resistance of electroless plating Ni-P coating on P110 steel
In order to improve the surface performance and increase the lifetime of P110 oil casing tube steel during operation, electroless plating was conducted to form Ni-P coating onto its surface. The surface morphology/element distribution and phase constitution of the Ni-P coating were analyzed using scanning electron microscope (SEM) equipped with energy dispersive spectrometry (EDS) and X-ray diffraction (XRD). Tribological and electrochemical measurement tests were applied to investigate the wear and corrosion resistance of P110 steel and the Ni-P coating. The results showed that a uniform and compact, high phosphorous Ni-P coating was formed. The obtained Ni-P coating indicated certain friction-reduction effect and lower mass loss during friction-wear tests. The Ni-P coating also exhibited higher corrosion resistance in comparison with bared P110 steel. The obtained Ni-P coating has significantly improved the surface performance of P110 steel.
wear / corrosion / electroless plating / Ni-P coating / P110 steel
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