Vikash Kumar

Vikash Kumar
Jadavpur University | JU · Department of Mechanical Engineering

Doctor of Philosophy (Ph.D.) in Mechanical Engineering
I am currently pursuing my Ph.D. in the area of electroless plating at Jadavpur University, Kolkata.

About

4
Publications
311
Reads
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5
Citations
Education
July 2017 - August 2019
BIT Sindri
Field of study
  • Mechanical Engineering, Laser Cladding

Publications

Publications (4)
Article
A successful quaternary electroless coating of Ni–W–Ce–P on a low carbon steel substrate with superior mechanical and microstructural properties has been deposited. The surface morphology, elemental composition, and coating structure were explored by field emission scanning electron microscopy combined with energy-dispersive X-ray spectrometry and...
Article
Full-text available
Exhaust fans and manifolds, valve and pump seats, connecting rods etc. are coated with Ni-5Mo-5Al powder for service temperature up to 650 °C. Till date, it has been coated on structural steels etc. substrate mostly using plasma spray and High-Velocity Oxy-Fuel (HVOF) spraying. However, a few pioneering works, reported cladding by melt and depositi...
Article
Full-text available
Direct metal laser deposition of hardfacing alloys on engineering components can improve their life significantly. This work explores the role of laser power and scanning speed on the deposition geometry of Ni5Mo5Al. Variation of cross-sectional morphologies of overlapped deposition tracks with varying process parameters was examined. The results i...
Thesis
Direct laser deposition of hardfacing alloys on engineering components can improve their life significantly. This work explores mechanical and microstructural properties of direct laser deposited Ni5Mo5Al for such potential applications. Variation of cross-sectional morphologies of overlapped deposition tracks with varying process parameters was ex...

Questions

Question (1)
Question
I am getting different roughness values ​​for same sample surface by Taylor Hobson surface profilometer and AFM. Approximately half the roughness value coming in case of AFM as compared to surface profilometer. Why is this happening, please answer about it, I have to put a specific reason in my journal.

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Projects

Project (1)