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EFFECT OF MICRO-TEXTURES AND CrAlSiN COATINGS ON THE FRICTION AND WEAR PROPERTIES OF 316L STAINLESS STEELS IN SEAWATER

Author

Listed:
  • RUNZHOU TIAN

    (Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, P. R. China)

  • JIANXIN DENG

    (Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, P. R. China)

  • AIHUA LIU

    (��Department of Mechanical Engineering, Shandong Jiaotong University, Jinan 250023, Shandong Province, P. R. China)

  • MINGYUAN WANG

    (Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, P. R. China)

  • KEXIN MA

    (Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, P. R. China)

  • JUNYAN WANG

    (Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, P. R. China)

Abstract

This paper aims to provide a method for improving the tribological properties of 316L stainless steels in seawater. During the experimental process, laser texturing technology was used to create biomimetic micro-textures inspired by turtle shell patterns on the 316L stainless steel surfaces. Then, CrAlSiN coating was deposited on the textured surface using the physical vapor deposition (PVD) technique, allowing us to study the frictional properties of the samples in both atmospheric and seawater environments. The results showed that, compared to polished 316L stainless steel, the specimens treated with micro-texture and CrAlSiN coating exhibited a reduction in wear rate by 52.1% and 71.8% under atmospheric and seawater friction conditions, respectively. Under atmospheric friction conditions, the micro-textures had a limited effect on reducing the friction of the 316L stainless steel substrate. However, the CrAlSiN coating, due to its excellent mechanical properties, significantly improved the wear resistance of the 316L stainless steel. Under seawater friction conditions, the continuous CrAlSiN coating played a role in reducing 316L stainless steel wear and seawater corrosion. At the same time, the micro-textures acted as reservoirs for wear debris and seawater, forming a more stable seawater lubricating film and reducing the friction coefficient. Therefore, the synergistic effect of the CrAlSiN coating and biomimetic micro-textures demonstrated remarkable improvement in the tribological performance of 316L stainless steel in seawater environments.

Suggested Citation

  • Runzhou Tian & Jianxin Deng & Aihua Liu & Mingyuan Wang & Kexin Ma & Junyan Wang, 2024. "EFFECT OF MICRO-TEXTURES AND CrAlSiN COATINGS ON THE FRICTION AND WEAR PROPERTIES OF 316L STAINLESS STEELS IN SEAWATER," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 31(09), pages 1-17, September.
    • Handle: RePEc:wsi:srlxxx:v:31:y:2024:i:09:n:s0218625x24500720
    DOI: 10.1142/S0218625X24500720
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