Volume 36 Issue 6
Dec.  2021
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Article Navigation >  Development and Application of Materials  > 2021  >  36(6): 31-35
XU Qiang, QI Haixia, CHEN Kaifeng, ZHANG Lili. Study on Surface Treatment Process and Protective Coating System Design of Low-magnetic Stainless Steel[J]. Development and Application of Materials, 2021, 36(6): 31-35.
Citation: XU Qiang, QI Haixia, CHEN Kaifeng, ZHANG Lili. Study on Surface Treatment Process and Protective Coating System Design of Low-magnetic Stainless Steel[J]. Development and Application of Materials, 2021, 36(6): 31-35.
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Study on Surface Treatment Process and Protective Coating System Design of Low-magnetic Stainless Steel

  • 1. No.708 Research Institute of China Shipbuilding Industry Corporation, Shanghai 200030, China;

  • 2. Xiamen Advanced Materials Academy of Luoyang Ship Material Research Institute, Xiamen 361101, China;

  • 3. Science and Technology on Marine Corrosion and Protection Laboratory, Qingdao 266101, China

  • Received Date: 2021-06-02
  • Publish Date: 2021-12-25
    Abstract
  • The effects of different surface treatments on corrosion resistance and coating adhesion of low magnetic stainless steel substrate were studied. The protective coating system of low magnetic stainless steel substrate was determined by electrochemical impedance and cathodic stripping resistance test. The results showed that sand blasting with brown corundum as abrasive could not only improve the surface roughness of the substrate, met the requirements of high adhesion coating, but also reduced the electrochemical corrosion of the substrate caused by residual particles on the substrate surface. The protective coating system with epoxy zinc yellow as the bottom layer could form a dense oxide film on the surface of stainless steel, which could greatly prevent the erosion under the film and increased the corrosion resistance of the coating several times.

     

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