Dr. Sanjib Kr Rajbongshi

Dr. Sanjib Kr Rajbongshi

Assistant Professor

  • Faculty of Engineering

About

Name: Specialization:
Dr. Sanjib Kr Rajbongshi Manufacturing Engineering

Qualification

Year Institute
2020 Ph.D. in Mechanical Engineering from National Institute of Technology Meghalaya.                                 
2014 Master of Engineering in Mechanical Engineering from Assam Engineering College, Gauhati University
2011 Bachelor of Engineering from Jorhat Engineering College, Dibrugarh University
2005 HS from Pub Kamrup College, AHSEC
2002 HSLC from Agdala Chariali High School, SEBA

 

Personal Interest

Reading, Roaming, Singing

Working Experience

Year Organization Position  Resposibilities
Aug, 2019-Present Assam Down Town University, Guwahati Assistant Professor Teaching, Workshop Incharge and other academic activities
Jan, 2015-Feb, 2020 National Institute of Technology Meghalaya, Meghalaya Research Scholar Research work, Laboratory works (Materials Scienece, Advanced Manufacturing, Tool Room Shop)
Aug, 2012- Dec 2014 Royal Group of Institutions, Guwahati Laboratory Instructor Handing different labs in Mechanical Engineering (Fluid Mechanics, Heat Transfer, BME, Engineering Mechanics)

 

Research

5 years research experience in Mechanical Engineering

Publications

Journals

  • S.K. Rajbongshi, M.A. Singh, D.K. Sarma, “A comparative study in machining of AISI D2 steel using textured and non-textured tool at the flank face.” Journal of Manufacturing Processes. 36 (2018): 360-372.
  • S.K. Rajbongshi, D.K. Sarma, “A comparative study in prediction of surface roughness and flank wear using artificial neural network and response surface methodology method during hard turning in dry and forced air-cooling condition.” International Journal of Machining and Machinability ofe3 Materials. 21(5/6) (2019): 390-436.
  • S.K. Rajbongshi, D.K. Sarma, “Performance parameters studies in machining of AISI D2 steel with dot-textured, groove-textured and non-textured cutting tool at the flank face.” International Journal of Refractory Metals and Hard Materials. 83 (2019):104970.
  • Deba Kumar Sarma, Sanjib Kr Rajbongshi, A study in turning of AISI D2 steel with textured and non-textured coated carbide tool at the flank face. Materials Today: Proceedings, 2020, (In Press).
  • M.A. Singh, S.K. Rajbongshi, D.K. Sarma, O. Hanzel, J. Sedlacek, P. Sajgalik, “Surface and porous recast layer analysis in µ-EDM of MWCNT-Al2O3 composites, Materials and Manufacturing Processes, 34(5) 2019: 567-579.
  • Sanjib Kr Rajbongshi, Deba Kumar Sarma. Surface morphology and effect of cutting force and temperature in formation of white layer during machining of AISI D2 steel. Communicated to International Journal of Machining and Machinability of Materials. It is under review.

Conferences

  • S.K. Rajbongshi, A. Borah, P.K. Choudhury, “Optimisation of process parameters in turning of grey cast iron with mixed oxide ceramic tool using Taguchi’s approach.” AIMTDR 2014 (12-14 Dec) IIT Guwahati, (2014) 802 (1-6).
  • D.K. Sarma, S.K. Rajbongshi, M.A. Singh, “Green Manufacturing: An Overview.” 30th National Convention of Production Engineers on the theme “Sustainable Manufacturing, NIT Agartala, (2015) 40(1-6).
  • S.K. Rajbongshi, K. Saikia, D. Baruah, P. Rajkhowa, S. Deka, A. Borah, “Effect of welding parameters on mechanical properties in MIG welding of 1050 grade aluminium alloys.” ICMDM 2016 (Feb 17-19), 4984 (573-578).
  • D.K. Sarma, S.K. Rajbongshi, “Experimental study and neural network modeling in prediction of surface roughness on dry turning using two different cutting tool nose radii.” ICMMME 2016, Wembley, Middlesex, London, 989-994.
  • S.K. Rajbongshi, D.K. Sarma, M.A. Singh, “A brief review of white layer formation in hard machining with a case study.” ICRIDME 2018, NIT Meghalaya.
  • S.K. Rajbongshi, D.K. Sarma, “Process parameters optimization using Taguchi’s orthogonal array and grey relational analysis during hard turning of AISI D2 steel in forced air-cooling”, IOP Conf. Series. Materials Science and Engineering, 2019, 491: 012032 (1-6).
  • S.K. Rajbongshi, D.K. Sarma, “Application of Taguchi’s orthogonal array and overall evaluation criteria in turning of AISI D2 steel in dry and forced air-cooled environment”, ICETME 2019, SRIT Hyderabad.
  • Deba Kumar Sarma, Sanjib Kr Rajbongshi. A study in turning of AISI D2 steel with textured and non-textured coated carbide tool at the flank face. IMMT 2019, Dubai, UAE, Nov 20-22.

Book Chapters

  • Sanjib Kr Rajbongshi, Deba Kumar Sarma, Meinam Annebushan Singh. A brief review of white layer formation in hard machining with a case study. Lecture Notes in Mechanical Engineering, Advances in Mechanical Engineering, Springer,  2020, 407-418.

Awards & Achievements

Year Personal Achievement
2018

1. Partcipated in conference (ICRIDME) organized by Mechanical Engineering Department, NIT Meghalaya from Nov, 08- 10.

2. Participated in  conference (ICETME) organized by Mechanical Engineering Department, SRIT Hyderabad from Dec, 20-22

2014 Participated in conference (AIMTDR) organized by Mechanical Engineering Department, IIT Guwahati from Dec, 12-14.
2012 Completed a six month course in Plastic Product & Mould Design/Development using CAD/CAM software at CIPET Guwahati