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WEAR, CORROSION AND HARDNESS ANALYSIS OF WC10Co4Cr AND WC10Co4Cr+GNPs COATING ON ASTM-A479 STEEL

Author

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  • VIJAY KUMAR

    (Industrial and Production Engineering Department, DR B R Ambedkar National Institute of Technology, Jalandhar 144011, Punjab, India)

  • RAJEEV VERMA

    (Industrial and Production Engineering Department, DR B R Ambedkar National Institute of Technology, Jalandhar 144011, Punjab, India)

Abstract

In this study, WC10Co4Cr (particle size 45±15 μm) and WC10Co4Cr+Graphen nano-platelets (GNPs) of particle size 15±10 μm cermet coatings were deposited on an ASTM A479 steel substrate utilising the High-Velocity Oxygen Fuel (HVOF) technique. The wear and corrosion of coated and uncoated surfaces were studied using the pin-on-disc and salt spray testing methods, respectively, and the micro-hardness of the cross-sections was tested using a Vickers micro-hardness testing machine at an applied force of 10N. Further, surface morphology of coated and uncoated substrate was investigated using scanning electron microscopy (SEM) and microscopic images. The analysis revealed that WC-10Co-4Cr+GNPs-coated (C2) surfaces outperformed WC10Co4Cr coated (C1) surfaces in terms of wear resistance.

Suggested Citation

  • Vijay Kumar & Rajeev Verma, 2025. "WEAR, CORROSION AND HARDNESS ANALYSIS OF WC10Co4Cr AND WC10Co4Cr+GNPs COATING ON ASTM-A479 STEEL," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 32(06), pages 1-10, June.
    • Handle: RePEc:wsi:srlxxx:v:32:y:2025:i:06:n:s0218625x23400115
    DOI: 10.1142/S0218625X23400115
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    Keywords

    Graphene; WC10Co4Cr; wear-resistance; corrosion; salt spray;
    All these keywords.

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