Dhiraj Kumar

ORCID: 0000-0003-1078-4219
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About
Contact & Profiles
Research Areas
  • Advanced Machining and Optimization Techniques
  • Welding Techniques and Residual Stresses
  • Advanced machining processes and optimization
  • Advanced Surface Polishing Techniques
  • Phase-change materials and chalcogenides
  • Laser Material Processing Techniques
  • Additive Manufacturing and 3D Printing Technologies
  • Advanced Measurement and Metrology Techniques
  • Material Selection and Properties
  • Laser and Thermal Forming Techniques
  • Chalcogenide Semiconductor Thin Films
  • Manufacturing Process and Optimization
  • Nanomaterials and Printing Technologies
  • Transition Metal Oxide Nanomaterials
  • Glass properties and applications
  • Solid-state spectroscopy and crystallography

Jadavpur University
2019-2023

National Institute of Technical Teachers’ Training and Research
2019

University of Arkansas at Little Rock
2002

This paper shows the impact of different process parameters and powder characteristics on material removal rate surface roughness obtained in surfactant added Powder Mixed Wire Electric Discharge Machining (PMWEDM). Inconel-718 is selected as workpiece material, which has ample application industries handling environment extreme stress, pressure temperature. It high work hardening properties along with rupture strength, fatigue, creep, making it extremely difficult to machine. So, additives...

10.15282/ijame.17.3.2020.07.0611 article EN International Journal of Automotive and Mechanical Engineering 2020-10-06

Control of the charge decay process in an electrostatically-deposited powder layer has important role two areas: (1) adhesion to a substrate, and (2) intensity back corona deposited layer. If is highly resistive, with resistivity greater than 10/sup 13/ /spl Omega/m, accumulation on often causes corona, which limits further deposition powder. However, if low resistivity, less 10/ rapid enough that does not set limit efficiency. at such so weak may remain attached substrate. The conducting...

10.1109/ias.2000.881925 article EN 2002-11-07
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