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FORMATION OF CHROMIUM COATING AND COMPARATIVE EXAMINATION ON CORROSION RESISTANCE WITH13CrSTEEL INCO2-SATURATED SIMULATED OILFIELD BRINE

Author

Listed:
  • JIAOJUAN ZOU

    (Research Institute of Surface Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China)

  • FAQIN XIE

    (School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, P. R. China)

  • NAIMING LIN

    (Research Institute of Surface Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China)

  • XIAOFEI YAO

    (School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, P. R. China)

  • WEI TIAN

    (School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, P. R. China)

  • BIN TANG

    (Research Institute of Surface Engineering, Taiyuan University of Technology, Taiyuan 030024, P. R. China)

Abstract

In order to enhance the surface properties of P110 oil casing tube steel and increase its usage during operation, chromium coating was fabricated by pack cementation. Scanning electron microscope, energy dispersive spectrometry and X-ray diffraction were used to investigate the surface morphology, cross-sectional microstructure, element distribution and phase constitutions of the coating. Comparative examinations on corrosion resistance between chromium coating and13Crstainless steel inCO2-saturated simulated oilfield brine were carried out via electrochemical measurements. The results showed that the obtained coating was uniform and compact, mainly consisted ofCrxCyand doped with minorCr2N. Chromizing treatment made it possible to create on the working surface of P110 steel with enhanced corrosion resistance, and the chromium coating indicated lower pitting corrosion sensitivity than that of13Crstainless steel.

Suggested Citation

  • Jiaojuan Zou & Faqin Xie & Naiming Lin & Xiaofei Yao & Wei Tian & Bin Tang, 2013. "FORMATION OF CHROMIUM COATING AND COMPARATIVE EXAMINATION ON CORROSION RESISTANCE WITH13CrSTEEL INCO2-SATURATED SIMULATED OILFIELD BRINE," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 20(03n04), pages 1-7.
    • Handle: RePEc:wsi:srlxxx:v:20:y:2013:i:03n04:n:s0218625x13500418
    DOI: 10.1142/S0218625X13500418
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