Dr R K Mittal

Assistant Professor

Department of Mechanical Engineering

Indian Institute of Technology Guwahati

Guwahati, Assam : 781039

Office : DX-210, ME-Annex Building

Phone : +91-361-258-3576

Mobile : +91-8451999446

Email : rkmittal@iitg.ac.in

..

Education

Ph. D.

2014-2019

IIT Bombay

Supervisors: Prof. Ramesh Kumar Singh; Prof. Salil S Kulkarni

Dual Degree ( B Tech and M Tech )

2005-2010

IIT Bombay

Supervisors: Prof. Ramesh Kumar Singh; Prof. Suhas S Joshi

Experience

Assistant Professor

Oct 2021 - Present

Department of Mechanical Engineering

IIT Guwahatii

DST Inspire Faculty

Oct 2020 - Oct 2021

Department of Mechanical Engineering

IISc Bangalore

Director and Co-Founder

Jul 2018 - Present

Micromach Innovations Pvt Ltd

Mumbai, India

Research Associate

Aug 2019 - Feb 2020

Department of Mechanical Engineering

IIT Bombay

Design Engineer

Jul 2010 - Mar 2014

Bharat Heavy Electricals Ltd

Haridwar, India

Research

Machining Dynamics

  • Experimental Characterization and Modeling of Chatter Phenomenon in Machining
  • Identification of nonlinearities and development of nonlinear stability model for high-speed micromilling
  • Identification of reliable, robust and accurate chatter detection and novel modeling techniques for free-form micromachining
  • Effect of material inhomogeneity on dynamic stability
  • Chatter control and its suppression
..

Hybrid Physics based – Data Driven Model for Chatter Control

  • Identification of chatter using signal processing and mathematical optimization
  • Developing a hybrid approach based on data and physics-based model for chatter detection
  • Inverse ML algorithms to determine the dynamic parameters from experimental data
  • Extending the scientific and technical development to micro-scale machining
..

Precision Machine Design and Development

  • 5-axis High speed micro-machine tool development
  • Intelligent machine tools for Industry 4.0 by monitoring, abnormal diagnosis, and corrective action via Physics based model and Data driven model
  • Systems integration and development for special purpose machines
..

Multi-Scale Manufacturing (Micro-Meso-Macro)

  • Development of a unique fabrication process to make engineering prototypes in minimum lead time
  • Understanding of Micro/Meso scale issues from physics/chemistry/materials
  • System integration and bridging among micro/meso/macro-scales
  • Biomedical Devices Manufacturing
  • Low cost manufacturing of microneedles for drug delivery applications (in progress)
..

Software Development

  • Software development for
    • Stability analysis of machining process
    • Modal analysis
    • Chatter prediction and control
..

Lab Facilities

(Only for students and research institutes on charge basis)

(Industries may contact on official Email-ID or fill the contact form)

High Speed Micromachining Center

  • In house developed micromachining center Micromilling / Microdrilling/ Microturning
  • Accuracy of <1 micron
  • High rotational speeds upto 140,000 RPM
  • High Accuracy and Precision
  • Machining of Hard-to-cut material such as Ti and Ni Alloys
..

Polymeric Microneedle Fabrication

  • Metal master mold fabrication of any metal with high accuracy
  • PDMS mold
  • Polymenric microneedles patch
  • Costumized aspect ratio
..

Compact Fiber Laser Marking Machine

  • Fiber laser of 50W
  • Marking and engraving on any material with high accuracy
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Precision Instruments

  • Laser displacement sensor
  • Force sensor
  • Digital microscope camera
  • Three axis accelerometer
  • NI DAQ System
..

Ongoing Projects

A Chatter Prediction Approach in the Milling Process using Machine Learning Algorithms

Sponsor: Institute Topup Start-Up Grant, IIT Guwahati

Budget: Rs. 11 Lakhs (~13.5K USD)

2024-2026 (Ongoing)

Development of Vibration Monitoring and Diagnostic System for Electrical Submersible Pumps

Sponsor: IITG-TIDF, IIT Guwahati

Budget: Rs. 14.5 Lakhs (~18K USD) (First Year)

2022-2025 (Ongoing)

Low-Cost Scalable Manufacturing of High-Aspect Ratio Microneedles for Minimally Invasive Transdermal Drug Delivery Applications

Sponsor: SERB-DST

Budget: Rs. 33 Lakhs (~40K USD)

2022-2024 (Ongoing)

A Multisensor Chatter Prediction Approach in the Milling Process using Artificial Intelligence

Sponsor: Institute StartUp Grant, IIT Guwahati

Budget: Rs. 9 Lakhs (~12K USD)

2022-2024 (Completed)

Development of a Higher Order Nonlinear MDOF Stability Model for a 5-Axis High-Speed Micromilling of Difficult-to-Cut Materials

Inspire Faculty Fellowship Project

Sponsor: Department of Science and Technology (DST), Govt of India

Budget: Rs. 35 Lakhs (~47K USD)

2020-2025 (Ongoing)

Patents & Publications

Patents

  1. R. K. Mittal, P. Mehta, R. Singh, D. Kothari, “System and Method for Producing Micro Scale Optical Codes on Jewelry and Gemstones and Scanning Micro Scale Optical Codes thereof for Digital Personalization”, accepted for US patent filed (2019)
  2. S. Alya, R. K. Mittal, P. Parmar, K. Keshav, Singh, R., A. Rahim and S. Kharat, “Laser based tyre mold vent cleaning process and device”, US patent: US10442117 B2, 2019.

Edited Books

  1. Joshi S. N., Dixit, U. S.,Mittal, R. K., and Bag, S., Low-Cost Manufacturing Technologies: proceeding of NERC 2022, Springer, 2023

Book Chapters

  1. Mittal, R. K., Singh, K. K. and Singh, R., “Process Development and Stability Modeling of High-speed Micromachining” New horizons in Metallurgy, Materials, and Manufacturing, pp.91-106, Indian Institute of Metals Series. Springer, Singapore, 2023
  2. Gururaja, S, Singh, K. K. and Mittal, R. K., “Analysis of Numerical Method for Modal Analysis of Thin-Walled Structures for Achieving Low Cost Manufacturing”, Accepted to Low Cost Manufacturing Technologies (MT), NERC 2022

Journals

  1. Mittal, R. K., Kulkarni, S. S. and Singh, R., “A Rotor Dynamics based Higher-Order Stability Model to Investigate the Stability of High-Speed Micromilling”, Journal of Vibration Engineering & Technologies, 2023 (Published)
  2. Azim, S., Gangopadhyay, S., Mahapatra, S. S. and Mittal, R. K., “Performance evaluation of CrAlN and TiAlN coatings deposited by HiPIMS in micro drilling of a Ni-based superalloy”, Surface and Coatings Technology, Vol. 449, pp. 128980 (1-10), 2022
  3. Bhopale, N., Mastud, S. and Mittal, R. K., “Metallurgical and Machining Performance Aspects of Cryotreated Tungsten Carbide Micro-End Mill Cutters”, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 2022
  4. Bhopale, N., Mastud, S. and Mittal, R. K., “Performance Analysis of Uncoated, TiN Coated and Cryotreated Micro Tungsten Carbide Tools while Micromilling of Ti-6Al-4V”, International Journal of Machining and Machinability of Materials, Vol.24 No.1/2, pp.110 – 131, 2022
  5. Mittal, R. K. and Singh, R., “Investigation of gyroscopic effect on the stability of high speed micromilling via bifurcation analysis” Journal of Manufacturing and Materials Processing, Vol. 5(4), 130, 2021
  6. Kumar, P., Mittal, R. K., Singh, R. and Joshi, S. S., “Experimental Characterization of Conformal Hydrodynamic Nanopolishing of a Machined Single Crystal Sapphire Cavity” Journal of Micromanufacturing, Vol. 4(2), pp. 118-126, 2021
  7. Azim, S., Gangopadhyay, S., Mahapatra, S. S., Mittal, R. K. and Singh, R., “Role of PVD Coating on Wear and Surface Integrity during Environment-Friendly Micro Drilling of Ni-based Superalloy”, Journal of Cleaner Production, Vol. 272, pp. 122741, 2020
  8. Sahoo, P., Patra, K., Singh, V. K., Mittal, R. K. and Singh, R., “Modelling Dynamic Stability and Cutting Forces in Micro Milling of Ti6Al4V using Intermittent Oblique Cutting FEM Simulation-Based Force Coefficients”, ASME Journal of Manufacturing Science and Engineering, Vol. 142-9, pp. 1-17, 2020
  9. Mittal, R. K., Kulkarni, S. S. Barshilia, H. and Singh, R., “Machining Response and Damage Evolution of Amorphous Carbon Coated Tools in High-Speed Micromilling of Ti–6Al–4V”, ASME Journal of Micro and Nano-Manufacturing, Vol. 8-2, pp. 024507, 2020
  10. Mittal, R. K., Maheshwari, C., Kulkarni, S. S. and Singh, R., “Effect of Progressive Tool Wear on the Evolution of the Dynamic Stability Limits in High-Speed Micromilling of Ti-6Al-4V”, ASME Journal of Manufacturing Science and Engineering, Vol. 141-11, pp. 111006, 2019
  11. Azim, S., Gangopadhyay, S., Mahapatra, S. S., Mittal, R. K., Singh, A. and Singh, R., “Study of Cutting Forces and Surface Integrity in Micro Drilling of a Ni-based Superalloy”, Journal of Manufacturing Processes, Vol. 45, pp. 368-378, 2019
  12. Mittal, R. K., Kulkarni, S. S. and Singh, R., “Multiple Degree of Freedom Rotordynamics based Stability Modeling in High-speed Micromilling of Ti-6Al-4V”, Procedia Manufacturing, Vol. 26, pp. 607-616, 2018
  13. Mittal, R. K., Kulkarni, S. S. and Singh, R., “Characterization of Anti-Abrasion and Anti-Friction Coatings on Micromachining Response in High Speed Micromilling of Ti-6Al-4V,” Journal of Manufacturing Processes, Vol. 34(A), pp. 303-312, 2018
  14. Mittal, R. K., Kulkarni, S. S. and Singh, R., “Characterization of Lubrication Sensitivity on Dynamic Stability in High-Speed Micromilling of Ti-6Al-4V via a Novel Numerical Scheme,” International Journal of Mechanical Sciences, Vol. 142-143, pp. 51-65, 2018
  15. Mittal, R. K., Kulkarni, S. S. and Singh, R., “Effect of Lubrication on Machining Response and Dynamic Instability in High-Speed Micromilling of Ti-6Al-4V,” Journal of Manufacturing Processes, Vol. 28(3), pp. 413-421 (2017)
  16. Mittal, R. K., Yadav, S. and Singh R., “Mechanistic Force and Burr Modeling in High-speed Microdrilling of Ti6Al4V”, Procedia CIRP, Vol. 58, pp. 329-334, 2017
  17. Mittal, R. K., Singh, R., and Joshi, S. S., Elastohydrodynamic Lubrication Modeling of Hydrodynamic Nanopolishing Process, ASME Journal of Manufacturing Science and Engineering, Vol. 134-4, pp. 041001, 11p, August 2012

Peer Reviewed Conferences

  1. Punia, A. and Mittal, R. K., “Cutting Force and Chatter Prediction in Dry and Lubricated High-Speed Micromilling Process using Machine Learning Algorithms”, 18th International Conference on Vibration Engineering and Technology of Machinery, VETOMAC, 2023, IIT Roorkee, paper 36
  2. Bhowmik, D., Kumar, S., Singh, R. K., Kapil, S. and Mittal, R. K., “Influence of Hydrogen-Free DLC Coated Micro Ball Endmills on Machining Response and Tool Wear in High-Speed Micromilling of Ti6Al4V”, World Congress on Micro and Nano Manufacturing (WCMNM), 2023, Evanston, USA, paper 25
  3. Kumar, S., Mittal, R. K., and Singh, R. K., “Comparative Data Analytics of Measurement Sensors for Instability Detection Efficacy in High-Speed Micromilling”, World Congress on Micro and Nano Manufacturing (WCMNM), 2023, Evanston, USA, paper 55
  4. Rajput, A.S., Sharma, R., Mittal, R. K. and Kapil, S., “Investigation of Chatter Vibration on Wire Arc Additive Manufactured Products During the Milling Operation”, 17th International Conference on Vibration Engineering and Technology of Machinery, VETOMAC, 2022,Nepal, paper 129
  5. Sahoo, P., Kumar, S., Mittal, R. K., Singh, R.K. and Barshilia, H.C., “Influence of Hydrogen-Free DLC Coated Micro Ball Endmills on Machining Response and Tool Wear in High-Speed Micromilling of Ti6Al4V”, Accepted to World Congress on Micro and Nano Manufacturing (WCMNM), 2022, Leuven, Belgium, paper 36
  6. Chadaram, A. Gururaja, S, Mittal, R. K., and Singh, K.K., “Tribological Performance Analysis of Textured Cutting Insert Created Via High Speed Micromilling Process”, Accepted to World Congress on Micro and Nano Manufacturing (WCMNM), 2022, Leuven, Belgium, paper 37
  7. Hashemitaheri, M., Mittal, R. K., Cherukuri, H. and Singh, R., “Extracting the In-Process Structural Dynamics Parameters in Micro-Milling Operations” accepted to International Manufacturing Science and Engineering Conference, MSEC 2022
  8. Mittal, R. K., Singh, K., and Singh, R., “Process Development and Stability Modeling of High-speed Micromachining of Ti6Al4V”, 1st GRGLMM International Symposium Global Situation of Light Metal Manufacturing, January 8th, 2021, Toyama, Japan (Keynote Paper presented by Prof Ramesh Singh)
  9. Saraf, A, Mittal, R. K. and Singh, R K., “Determination of Modal Parameters Using Finite Element Modeling Considering the Compliance at the Clamping End,” Proceedings of the ASME 2020 15th International Manufacturing Science and Engineering Conference. Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, 2020, V002T08A020.
  10. Mehta, P., Prajapati, K., Mittal, R. K., Arya, A. R. and Singh, R.,” Error Identification and Mitigation Strategies in a Precision Linear Stage for Micromachining”, The 11th International Conference on Precision, Meso, Micro and Nano Engineering, Dec 2019, IIT Indore, India, Paper: COPEN11_1568025362
  11. Singh, K., Mankar, A., Mittal, R. K. and Singh, R. K., “Determination of Modal Parameters of Micro End Mills using Tapered Beam Theory”, The 11th International Conference on Precision, Meso, Micro and Nano Engineering, Dec 2019, IIT Indore, India, Paper: COPEN11_1565857086
  12. Azim, S., Gangopadhyay, S., Mahapatra, S. S., Mittal, R. K., and Singh, R. K., “Experimental Investigation in Microdrilling of Ni-based Alloy under Different Cooling Environment”, World Congress on Micro and Nano Manufacturing (WCMNM), 2019, North Carolina, USA, Paper:80
  13. Mittal, R. K., Singh, R. and Joshi, S. S., “Elastohydrodynamic Modeling of Nanopolishing Process”, 7th International and 45th National Conference on Fluid Mechanics and Fluid Power (FMFP), 2018, Paper no.: 842
  14. Maheshwari, C., Mittal, R. K. and Singh, R., “Effect of Tool Wear on Dynamic Stability in High Speed Micromilling of Ti-6Al-4V”, Proceedings of World Congress on Micro and Nano Manufacturing (WCMNM), 2018, Portoroz, Slovenia, 295-298
  15. Ingle, R., Mittal, R. K. and Singh, R., “Comparative Analysis of Machine Structures for High Speed Micromachining”, Proceedings of World Congress on Micro and Nano Manufacturing (WCMNM), 2018, Portoroz, Slovenia, 299-302
  16. Banerjee, N., Dhale, K., Mittal, R. K. and Singh, R., “A Preliminary Investigation of the Chip Formation Mechanism and Cutting Force Signatures in Orthogonal Micromachining of Bulk Metallic Glass (BMG)”, Proceedings of World Congress on Micro and Nano Manufacturing (WCMNM), 2018, Portoroz, Slovenia, 89-92
  17. Mittal, R. K., Kulkarni, S. S. and Singh, R., “Effect of different tool coatings on cutting forces in high speed micromilling of Ti6Al4V”, Proceedings of World Congress on Micro and Nano Manufacturing (WCMNM), 2017, Kaohsiung, Taiwan, 293-296
  18. Mittal, R. K. and Singh, R., “Effect of Lubrication on Dynamic Instability in High- Speed Micromilling of Ti-6Al-4V”, International Conference on Micromanufacturing, Irvine, USA, 2016
  19. Singh K., Mittal, R. K., Kartik V., and Singh R.,"Spectral Analysis of Surface and Tool Vibration to Investigate Chip-load Dependent Instability in High Speed Micromilling“, International Conference on Micromanufacturing, Irvine, USA, 2016
  20. Mittal, R. K., Singh, R., Effect of Coolant on Dynamic Stability in High-Speed Micromilling of Ti-6Al-4V, The 9th International Conference on Precision, Meso, Micro and Nano Engineering, Dec 2015, Indian Institute of Technology, Bombay, Mumbai, India
  21. Mittal, R. K., Singh, K., and Singh, R., Effect of Lubrication on Dynamic Instability in High-Speed Micromilling of Ti-6Al-4V, The 10th International Conference on Micro Manufacturing, April 2015, Politecnico di Milano, Milan, Italy, p. 113-116
  22. Mittal, R. K., Singh, R., and Joshi, S. S., Modeling of soft-tool hydrodynamic nanopolishing process, The 5th International Conference on Micro Manufacturing, April 2010, University of Wisconsin, Madison, USA, p. 39-43
  23. Mittal, R. K., Singh, R., and Joshi, S. S., Characterization and modeling of soft-tool hydrodynamic nanopolishing process, The 5th Japan-India Joint Seminar on Production, Measurement, Quality Control & Micro/Nano Manufacturing, March 2010, Tokyo, Japan, p. 77-80

Teaching

ME623: Dynamics of Machining Processes - UG and PG course (Jan - April 2024)- Instructor

Syllabus and Introduction

ME101: Engineering Mechanics: (Jan 2024-April 2024)- Tutor

ME688: Advanced Machining Process - PG Course (Jan - May 2023)- Instructor

ME101: Engineering Mechanics: (Feb 2023-Jun 2023)- Tutor

ME326: Mechanical Engineering Laboratory - UG Lab (Jan - May 2023)- Tutor

Tribology: Performance of air bearings, normal bearings, friction and wear testing under different operating conditions, optical viscometry, scratch testing

CE101: Engineering Drawing - BTech 1st Sem (Nov 22- Feb 2023)- Tutor

ME312: Manufacturing Technologies II - UG course (July - Nov 2022)- Instructor

Syllabus

Machine Tools and Processes

ME688: Advanced Machining Process - PG Course (Jan - April 2022)- Instructor

USM and Hybrid Processes

Jet Machining Operations

Abrasive Finishing Processes

Electro Thermal Processes

Chemical and Electrochemical Processes

LBM, EBM, IBM and other processes

CE101: Engineering Drawing - BTech 1st Sem (Nov 2021- Feb 2021)- Tutor

Awards & Recognitions

Awards

  • Start-up Top Up Grant by IIT Guwahati, 2024
  • DST SERB ITS Grant for WCMNM 2023, Evanston, USA, 2023
  • Start-up Research Grant by SERB, 2022
  • Project Funding IIT Guwahati-TIDF, 2022
  • Start-up Grant by IIT Guwahati, 2022
  • Inspire Faculty Fellowship by Department of Science & Technology, Govt. of India, 2019
  • Excellence in PhD Thesis Award, IIT Bombay, August 2020
  • Best Annual Progress Seminar Award, IIT Bombay, for research work in 4th year of PhD, 2018
  • Travel funding from IIT Bombay to attend the conference ICOMM 2016 in Irvine, USA
  • Awarded a Certificate of Appreciation for presenting a case study on technology at “Manufacturing Today Reinventing the Future”, 2016 organized by Aditya Birla Group
  • Travel funding from Department of Science and Technology (Govt. of India) to attend the conference ICOMM 2015 in Milan, Italy
  • Govt. of India (MHRD) fellowship for PhD at IIT Bombay
  • Awarded student grants from National Science Foundation to attend the conference ICOMM/4M 2010 in Madison, Wisconsin, USA
  • Govt. of India (MHRD) fellowship for Master of Technology

Recognitions

  • Member of the International Institution for Micro Manufacturing (I2M2)
  • Member of The American Society of Mechanical Engineers (ASME)(103733012)
  • Reviewer of Nature Scientific Reports
  • Reviewer of PMRF Fellow (invited from Dept of Mech Engineering, IIT Bombay), Dec 2021
  • Reviewer for Journal of Manufacturing Processes (Elsevier), Materials & Design (Elsevier) and Journal of Materials Processing Technology (Elsevier)
  • Reviewer for International Journal of Precision Engineering and Manufacturing (Springer), Journal of Vibration Engineering & Technologies (Springer), SADHANA (Springer) and Transactions of the Indian National Academy of Engineering (Springer)
  • Reviewer for Journal of Micromanufacturing (Sage) and Journal of Vibration and Control
  • Reviewer for Machines (MDPI),Applied Sciences (MDPI) and Forests (MDPI)
  • Reviewer for conference SME North American Manufacturing Research Conference (NAMRC)

Invited Talks

  • 1st GILP JD International Symposium, Gifu University, March 2023
  • GIAN Course on Machining Instabilities and Preventive Approaches for modern Production Industries” (MIPAPI-2022) by Dept. of Mechanical Engineering, NIT Rourkela, Oct, 2022
  • GUJCOST-STTP on Theoretical and Practical approaches of product development using FEM/FVM organized by Dept. of Mechanical Engineering, IITRAM, Ahmedabad, Gujarat, Dec, 2021
  • Vigyan Utsav, STI ecosystem towards Atmanirbhar Bharat (Theme: Human Capacity Development), organized by Dept of Science and Technology, Govt. of India, NASTEC, Nagaland, Oct ,2021
  • AICTE-STTP on Micromachining organized by Dept. of Mechanical Engineering, RMK College of Engineering and Technology, Tamil Nadu, Dec, 2020

Students

PHD STUDENTS

  • Mr. Abhishek Punia (Jan 2022)
  • Mr. Debottam Bhowmik (PMRF)(July 2022) (Co-guide: Sajan Kapil)
  • Mr. Singarapu Shivakrishna (Nov 2021): Part Time

PROJECT STAFF

  • Mr. Prasun Roy: JRF, SERB Project
  • Mr. Shaik Mushraf Parvez: JRF, IITG-TIDF

M TECH STUDENTS

  • Mr. Ashish Kumar Verma (Jan 2023)
  • Mr. Digboloy Borah (Jan 2023)
  • Mr. Sumit Pal (Jan 2023)
  • Mr. Rohit Kumar ((Jan 2023)

B TECH STUDENTS

  • Tanmay Totla (July 2023)
  • Himaanshi Singh (July 2023)
  • Poorva Upman (July 2023)
  • Sohil Monpara (July 2023)
  • Ansh Bisarya (July 2023)
  • Tendulkar Bhadra Dattatraya (July 2023)
  • Ayush Ranjan (July 2023)
  • Ayush Kotarya (July 2023)
  • Bhuvan Gogrot (July 2022)
  • Ayush Tripathi (July 2022)
  • Krishnakant Chauhan (July 2022)
  • Karan Soni (July 2022)
  • Maroju Sreeram Rohan (July 2022)
  • Mergu Vishwaja (July 2022)
  • Sajal Agrawal (July 2022)
  • Chintapally Nissy (July 2022)

INTERNS

  • Ms Preeti Kumari, IIT Kanpur
  • Mr. Shaikh Mushraf Parvez, IIITDM Kancheepuram (May- October 2022)
  • Mr. Praman Pandey, Shri Mata Vaishno Devi University(SMVDU) (July-August 2022)
  • Mr. Shivesh Raj, Shri Mata Vaishno Devi University(SMVDU) (July-August 2022)

Openings

We welcome the enthusiastic and motivated students at both undergraduate and graduate level in our group.
Our Reserach group requires candidates in following field:
  • Development of precision machines and system
  • Software development (Knowledge of coding language and platform)
  • Automation and Control
  • Vibration Monitoring and Diagnostic System for Electrical Submersible Pumps
Visit the group research page and find your interest which is aligned with our research, contact us.

Contact Us