Research Projects:
PhD Thesis Guidance:
1. Scholar: M. Sarat Babu (PF071903)
Title: In-process cutting tool condition assessment based on real-time multi-sensor data monitoring and grey predictive models
Status: Awarded.
2. Scholar: B. Subba Rao (PP071906)
Title: Studies on microstructure, mechanical, and tribological properties of Nickel-based superalloys manufactured through selective laser melting process.
Status: Awarded.
3. Scholar: B. Lakshmi Manasa (PP071960)
Title: Development of wear and corrosion-resistant metal matrix surface coatings by laser cladding process.
Status: Awarded.
4. Scholar: M. Rama Karthik (PF071953)
Title: Laser-assisted machining of IN625 super alloy – Analytical Modeling and Experimental Validations.
Status: Thesis submitted.
5. Scholar: Konjeti Rama Krishna (14022P0308)
Title: Development, microstructural and tribological properties characterization of wear-resistant hybrid nanocomposite claddings for TI6Al4V alloy.
Status: Pursuing.
6. Scholar: B. Subramanyam (PP072004)
Title: Studies on microstructure, mechanical, and tribological properties of additively manufactured AlSi10Mg aluminum alloy by selective laser sintering.
Status: Pursuing.
7. Scholar: Resapu Bhaskara Reddy (PP072055)
Title: Characterization of microstructure, mechanical, and tribological properties of wire arc additively manufactured SS308L steel.
Status: Pursuing.
8. Scholar: Mohan Satyanarayana Reddy N (PF072451)
Title: Intelligent monitoring and characterization of defects in multi-layer metal matrix composites deposition by laser cladding process.
Status: Pursuing.
9. Scholar: Seshasai Srihari Hanuma Ravinuthala
Title: Artificial intelligence with a multi-sensor system for intelligent process monitoring and characterization of defects in laser cladding of multi-layer metal matrix composites.
Status: Pursuing.
Education:
Ph.D. (Dec. 2013) in Mechanical Engineering : JNTU Kakinada.
M.Tech. (Oct. 2008) in CAD/CAM : JNTU Kakinada.
B.Tech. (Apr. 2006) in Mechanical Engineering : JNTU Kakinada (QISCE).
Thesis Title:
Ph.D.: Novel multi-objective optimization approaches to wire-electrical discharge machining of metal matrix composites.
M.Tech.: Empirical modeling and optimization of self-propelled rotary turning.
Teaching Experience: 16 Years
1. Assistant Professor (From 20-07-2018)
Mechanical Engineering Department, NIT Andhra Pradesh.
2. Associate Professor (16-09-2016 to 19-07-2018)
Mechanical Engineering Department, K L University - Vaddeswaram.
3. Associate Professor (01-07-2015 to 15-09-2016)
Mechanical Engineering Department, Gudlavalleru Engineering College.
4. Assistant Professor (07-07-2009 to 30-06-2015)
Mechanical Engineering Department, GITAM University- Hyd. Campus.
Academic courses dealing:
Additional Responsibilities:
Institute Level:
Associate Dean, Laboratory Establishment (October 2020 to June 2022)
Associate Dean, Research and Consultancy (September 2018 to October 2020)
Convener: Institute purchase committee (January 2019 to July 2019)
Member: Stores purchase subcommittee (January 2019 to July 2019)
Department Level:
Head of the Department – Mechanical Engineering (July 2022 to Dec 2024)
Faculty Coordinator:
1. M.Tech. Manufacturing Engineering (from July 2020)
2. B.Tech. Project Works (Jan. 2019 to July 2022)
Timetable In charge: Department (January 2019 to July 2022)
Faculty In-charge:
1. First-Year Workshop (from January 2019)
2. Manufacturing Processes Laboratory (from January 2019)
3. CAD/CAM Lab (from January 2019)
4. First Year Workshop (from January 2019)
5. Manufacturing Processes Laboratory (from January 2019)
6. CAD/CAM Lab (from January 2019)
Member: Departmental Academic Committee – PG & Research (from Jan. 2019)
Member: Departmental Academic Committee – UG (from Jan. 2019)
Member: Board of Studies – UG (from Jan. 2019)
Member: Board of Studies – PG (from Jan. 2019)
Faculty Development Programs Organized:
Lectures Delivered as Resource Person:
LIST OF RESEARCH PUBLICATIONS
International Journals:
1 K. Rama Krishna, Thella Babu Rao, A Gopala Krishna, High-Temperature Wear Behavior of (TiN+ TiC)/TC4 Hybrid Nanocomposite Cladding Deposited on TC4 Alloy Substrate by Tungsten Inert Gas Cladding Process, Journal of Tribology (ASME), Dec 2025, 147(12): 121702. https://doi.org/10.1115/1.4068356
2 K. Rama Krishna, Thella Babu Rao, A Gopala Krishna, Studies on Tribological Characteristics and Wear Mechanisms of (TiN + TiC) Hybrid Nanocomposite Claddings Deposited on TC4-Grade Titanium Alloy Substrate by the Tungsten Inert Gas Cladding Process, Journal of Tribology (ASME), Apr 2025, 147(4): 041402. https://doi.org/10.1115/1.4066866
3 Jalli Kantha Rao, Reddypogula Madhusudhan, Thella Babu Rao, Studies on Dry Sliding Wear Mechanisms of Al7075/Si3N4 Composites, Journal of Tribology (ASME), Mar 2025, 147(3): 031401. https://doi.org/10.1115/1.4066766
4 Mondi Rama Karthik, Thella Babu Rao, Physics-informed data-driven ensemble and transfer learning approaches for prediction of temperature field and cutting force during machining IN625 superalloy, Lasers in Manufacturing and Materials Processing (2025), https://doi.org/10.1007/s12008-025-02251-4
5 Mondi Rama Karthik, Thella Babu Rao, Architecture-Guided Physics-Learned Machine Learning for Temperature Prediction in Laser-Assisted Turning Process, Int J Interact Des Manuf (2025). https://doi.org/10.1007/s40516-025-00281-0
6 Bheemavarapu Subba Rao, Thella Babu Rao, Mondi Rama Karthik, Effect of Direct Aging Heat Treatment on Microstructure and Mechanical Properties of Laser Powder Bed Fused Maraging Steel 300-Grade Alloy, Journal of Tribology (ASME), Nov 2024, 146(11): 111701. https://doi.org/10.1115/1.4065498
7 Subba Rao Bheemavarapu, Thella Babu Rao, Mondi Rama Karthik, Influence of Laser Energy Density and Sliding Velocity on Wear Behavior of Laser Powder Bed Fusion Processed Maraging Steel 300 Alloy, Lasers in Manufacturing and Materials Processing, Volume 11, pages 582–609. https://doi.org/10.1007/s40516-024-00260-x
8 Lakshmi Manasa Birada, Pullela Vyshnavi, Thella Babu Rao, NiCrBSi/WC Composite Claddings Processed on AISI 316L Steel Alloy by the Direct Laser Deposition Process: Studies on Dry Sliding Wear Behavior and Wear Mechanism Maps, Journal of Tribology (ASME), Sep. 2024, 146(9): 091401. https://doi.org/10.1115/1.4065240
9 Lakshmi Manasa Birada, Pullela Vyshnavi, Thella Babu Rao, Triboinformatic Machine Learning Model for Frictional Behavior and Wear Volume Loss Prediction of SS316L Alloy Clad with WC/NiCrBSi, Journal of Bio-and Tribo-Corrosion, 10, 68 (2024). https://doi.org/10.1007/s40735-024-00874-w.
10 Mohsin Khan K, Thella Babu Rao, B.N. Manjunath, K. Abhinav, A.R. Vinod, Studies on the effect of substrate preheating, interlayer dwell, and heat treatment on microstructure, residual stress, and mechanical properties of IN625 superalloy additively manufactured by directed energy deposition, The Journal of Engineering Materials and Technology, Oct 2023, 145(4): 041004. https://doi.org/10.1115/1.4062503
11 K. Bharadwaja, Sreeram Srinivasa Rao, T. Babu Rao, and Hari Prasadarao Pydi, Evaluation of Mechanical Properties for Epoxy Resin in Nano Composite Diffusion, Advances in Materials Science and Engineering, Volume 2023, ID 8598585. https://doi.org/10.1155/2023/8598585
12 Sarat Babu Mulpur, Thella Babu Rao, An in-process tool wear assessment using Bayesian optimized machine learning algorithm, International Journal on Interactive Design and Manufacturing (2023). https://doi.org/10.1007/s12008-023-01270-3.
13 Sarat Babu Mulpur, Thella Babu Rao, Development of an In-Process Cutting Tool Life Prediction System Using Bidirectional Long Short-Term Memory Network, Journal Failure Analysis and Prevention (2023). https://doi.org/10.1007/s11668-023-01625-8
14 Thella Babu Rao, Real-time cutting tool condition assessment and stochastic tool life predictive models for tool reliability estimation by in-process cutting tool vibration monitoring, International Journal on Interactive Design and Manufacturing (2022). https://doi.org/10.1007/s12008-022-01109-3
15 Thella Babu Rao, Prediction of EDMed micro-hole quality characteristics using hybrid bio-inspired machine learning-based predictive approaches, International Journal on Interactive Design and Manufacturing (2022). https://doi.org/10.1007/s12008-022-01117-3
16 Sarat Babu Mulpur, Thella Babu Rao, A PCA-Integrated OGM (1, N) Predictive Model for In-Process Tool Wear Prediction Based on Continuous Monitoring of Multi-Sensorial Information, Journal Failure Analysis and Prevention (2022). https://doi.org/10.1007/s11668-022-01499-2
17 Joijode Kiran Kumar, Thella Babu Rao, Konjeti Rama Krishna,The microstructural properties and tribological performance of Al2O3 and TiN nanoparticles reinforced Ti-6Al-4V composite coating on AISI304 steel by TIG cladding,J. Tribol. ASME (2022), 145(1): 011401. IF: 1.891. https://doi.org/10.1115/1.4055488
18 Jalli Kantha Rao, Reddypogula Madhusudhan, Thella Babu Rao, Recent Progress in Stir Cast Aluminum Matrix Hybrid Composites: Overview on Processing, Mechanical and Tribological Characteristics, and Strengthening Mechanisms, Journal of Bio- and Tribo-Corrosion, 8, 74 (2022). Cite Score: 3.4 https://doi.org/10.1007/s40735-022-00670-4
19 Mulpur Sarat Babu, Thella Babu Rao, Multi-sensor heterogeneous data-based online tool health monitoring in milling of IN718 superalloy using OGM (1, N) model and SVM, Journal of the International Measurement Confederation, Volume 199, August (2022), 111501. IF: 5.131. https://doi.org/10.1016/j.measurement.2022.111501
20 Bheemavarapu Subba Rao, Thella Babu Rao, Effect of Process Parameters on Powder Bed Fusion Maraging Steel 300: A Review,Lasers in Manufacturing and Materials Processing volume 9, pages338–375 (2022). https://doi.org/10.1007/s40516-022-00182-6
21 Bheemavarapu Subba Rao, Thella Babu Rao, Mechanical and Tribological Properties of 3D printed Al-Si alloys and composites: a Review, Silicon, volume 14, pages5751–5782 (2022). IF:2.941. https://doi.org/10.1007/s12633-021-01340-9
22 Thella Babu Rao, Microstructural, Mechanical and wear properties characterization and strengthening mechanisms of Al7075/SiCnp composites processed through ultrasonic cavitation assisted stir-casting, Materials Science and Engineering: A, Volume 805, 23 (2021), 140553. IF: 6.044. https://doi.org/10.1016/j.msea.2020.140553
23 Thella Babu Rao,C.S.P. Rao, Naresh Baki Multi-objective optimisation of friction stir welding parameters: integration of FEM and NSGA-II, Int. J. Manufacturing Research, Vol. 16, No. 1, (2021). https://doi.org/10.1504/IJMR.2021.114007
24 K Bharadwaja, Sreeram Srinivasa Rao, Thella Babu Rao, Investigation of hardness & tribology behavior of Epoxy and SiO2 composite: An experimental study,Materials Today: Proceedings, V45, Part 2, (2021), 3343-3347. https://doi.org/10.1016/j.matpr.2020.12.653
25 K Bharadwaja, Sreeram Srinivasa Rao, Thella Babu Rao, Investigation of tensile and flexural behavior of epoxy and SiO2 composite: An experimental study,Materials Today: Proceedings, V45, Part 2, (2021), 2649-2652. https://doi.org/10.1016/j.matpr.2020.11.514
26 Thella Babu Rao, P. Gangadhra Rao,Characterization, Prediction, and Optimization of Dry Sliding Wear Behaviour of Al6061/WC Composites,Transactions of the Indian Institute of Metals, volume 74, 159–178 (2021). IF: 1.391 https://doi.org/10.1007/s12666-020-02107-3
27 Thella Babu Rao, Stochastic Tensile Failure Analysis on Dissimilar AA6061-T6 with AA7075-T6 Friction Stir Welded Joints and Predictive Modeling, Journal of Failure Analysis and Prevention (2020) 20:1333–1350. https://doi.org/10.1007/s11668-020-00937-3
28 Thella Babu Rao, Naresh Baki,An evolutionary-based hybrid approach for simultaneous optimization of multiple responses in self-propelled rotary turning process, Int. J. Manufacturing Research. Vol. 14, No. 1, (2019). https://doi.org/10.1504/IJMR.2019.096760
29 C. Govinda Rajulu, A Gopala Krishna, Thella Babu Rao, (2016) An integrated evolutionary approach for simultaneous optimization of laser weld bead characteristics, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 2018;232(8):1407-1422. IF: 2.759. https://doi.org/10.1177/0954405416667
30 Thella Babu Rao, An experimental investigation on mechanical and wear properties of Al7075/SiCp composites: effect of SiC content and particle size, Journal of Tribology, ASME (2018), 140(3): 031601. IF: 1.891. https://doi.org/10.1115/1.4037845
31 Thella Babu Rao, Reliability analysis of the cutting tool in plasma-assisted turning and prediction of machining characteristics, Australian Journal of Mechanical Engineering, V20, 2022 - Issue 4, Pages 1020-1034. https://doi.org/10.1080/14484846.2020.1769458
32 Thella Babu Rao, Optimizing machining parameters of wire-EDM process to cut Al7075/SiCp composites using an integrated statistical approach, Advances in Manufacturing, Volume 4, Issue 3, pp 202–216 (2016). IF: 4.413. https://doi.org/10.1007/s40436-016-0148-3
33 Thella Babu Rao, A. Gopala Krishna, Ramesh Kumar Katta, Rama Krishna Konjeti, (2015) Modelling and multi-response optimization of machining performance while turning hardened steel with self-propelled rotary tool,Advances in Manufacturing volume 3, pages84–95 (2015). IF: 4.413. https://doi.org/10.1007/s40436-014-0092-z
34 Thella Babu Rao, A. Gopala Krishna, Selection of optimal process parameters in WEDM while machining Al7075/SiCP metal matrix composites, The International Journal of Advanced Manufacturing Technology, Volume 73, pages 299–314 (2014). IF: 3.563. https://doi.org/10.1007/s00170-014-5780-0
35 Thella Babu Rao, A. Gopala Krishna, (2014) Principal Component Analysis of Correlated WEDM Performance Characteristics during machining ZC63/SiCP MMCs, Journal for Manufacturing Science and Production.Volume 14, Issue 1, pp 13–21 (2014). https://doi.org/10.1515/jmsp-2013-0005
36 Thella Babu Rao, A. Gopala Krishna, (2013) Simultaneous optimization of multiple performance characteristics in WEDM for machining ZC63/SiCP MMC, Advances in Manufacturing, volume 1, pages 265–275 (2013). IF: 4.413. https://doi.org/10.1007/s40436-013-0029-y
International Conferences:
Thella Babu Rao, A Gopala Krishna, Konjeti Rama Krishna, Shyam Prasad Kodali, Effect of SiC reinforcement on mechanical properties of Al7075 aluminum-based composites, 5th International Conference on Recent Advances in Composite Materials (ICRACM-2016), K L University, Green fields, Vaddeswaram, Guntur district – 522 502, Andhra Pradesh, INDIA.
National Conferences: