Microstructure Characteristics and Properties of NiGrFeS HVOF Coating for SAE 1008 Cold Rolled Steel

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Authors

  • GJ Naveen
     Research Scholar, Department of Mechanical Engineering, VTU, Belagavi, Karnataka, India. ,IN
  • P Sampath Kumaran
     Department of Mechanical Engineering, Sambhram Institute of Technology, Bengaluru, Karnataka, India. ,IN
  • A Sathyanarayanaswamy
     Department of Mechanical Engineering, Sambhram Institute of Technology, Bengaluru, Karnataka, India. ,IN
  • PT Bindagi
     Spraymet Technologies, Bengaluru, Karnataka, India. ,IN
  • PG Mukunda
     Department of Mechanical Engineering, Nitte Meenakshi Institute of Technology, Bengaluru, India. ,IN

DOI:

https://doi.org/10.18311/jmmf/2023/33758

Keywords:

HVOF Coating, XRD Technique, Scanning Electron Microscopy (SEM).

Abstract

This paper demonstrates the characterization of High Velocity Oxygen Fuel (HVOF) sprayed NiGrFeS coating on SAE 1008 cold rolled steel as a substrate to improve the surface properties for tribological applications. A combination of characterization techniques, such as XRD and SEM/EDAX procedures, have been used to evaluate the coatings as well as for mechanical and microstructural characteristics. Additionally, the porosity, microhardness, coating thicknesses, and coating density have been arrived at a view to obtain structure property co-relations. The HVOF overrides other thermal spray processes in terms of specific advantages of getting superior properties. Being a new development in the family of spray technology, the various issues such as coating quality, surface characteristics and other associated factors are being addressed and reported with the research work carried out. It is observed from the data the microhardness values have decreased across the depth of the coatings.

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Published

2023-05-24

How to Cite

Naveen, G., Kumaran, P. S., Sathyanarayanaswamy, A., Bindagi, P., & Mukunda, P. (2023). Microstructure Characteristics and Properties of NiGrFeS HVOF Coating for SAE 1008 Cold Rolled Steel. Journal of Mines, Metals and Fuels, 71(3), 450–455. https://doi.org/10.18311/jmmf/2023/33758

Issue

Volume 71, Issue 3, March 2023

Section

Articles

License

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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