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Surface Modification Of Ss-316 To Enhance Cavitation Resistance Through Composite Microwave Clads

Author

Listed:
  • SANDEEP BANSAL

    (Department of Mechanical Engineering, Thapar Institute of Engineering & Technology, Patiala 147001, Punjab, India)

  • DHEERAJ GUPTA

    (Department of Mechanical Engineering, Thapar Institute of Engineering & Technology, Patiala 147001, Punjab, India)

  • VIVEK JAIN

    (Department of Mechanical Engineering, Thapar Institute of Engineering & Technology, Patiala 147001, Punjab, India)

Abstract

Microwave cladding is one of the latest surface engineering techniques, which has been used to improve the surface properties of a material. This technique overcomes almost all limitations of the existing methods. In this study, Ni-based+10% Cr3C2 composite clads have been developed in domestic microwave oven of 2.45-GHz frequency and 900-W power. The developed composite clads have been characterized using various standard mechanical and metallurgical techniques like SEM/EDS, XRD and Vickers microhardness tester. Cavitation erosion resistance of developed composite clads has also been examined at different parametric conditions. The microstructure analysis exhibits that the developed composite clads of 730-μm thickness are free of cracks (solidification and interfacial) and less porous. The presence of various intermetallic and hard carbide phases like FeNi3, CrSi2, Cr3Ni2SiC, SiC and NiC is confirmed from the XRD analysis. The Vickers microhardness study reveals that the average microhardness of clad region is 430±65 HV0.3. The cavitation erosion study (at different parametric conditions using vibratory cavitation erosion testing) reveals that the developed composite clads perform much better under cavitation erosion environment than the SS-316 substrate. The stand-off distance is found to be the most dominating factor followed by amplitude and immersion depth.

Suggested Citation

  • Sandeep Bansal & Dheeraj Gupta & Vivek Jain, 2025. "Surface Modification Of Ss-316 To Enhance Cavitation Resistance Through Composite Microwave Clads," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 32(04), pages 1-16, April.
    • Handle: RePEc:wsi:srlxxx:v:32:y:2025:i:04:n:s0218625x21410043
    DOI: 10.1142/S0218625X21410043
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