Publications

Selected publications

1. A. Kumar, S Bag and V C Srivastava: Bi-directional scanning strategies for residual stress management by tailoring microstructural evolution in directed energy deposition of 9Cr-1Mo steel, Journal of Materials Processing Technology, 118906, 341, 2025.

2. A Kishore Prasad, S. Kapil and S. Bag: Wire additive metal transfer for the development of high-frequency induction heating-based directed energy deposition process, Journal of Manufacturing Processes, 248-263, 146, 2025. 

3. A Kumar, S Bag and V C Srivastava: Role of inter-layer dwell time on residual stress generation of a thin wall structure by directed energy deposition of ferritic steel, Materials Chemistry and Physics, 130807, 340,2025.

4. S Dwibedi, B Kumar and S Bag: Phase transformation effect on residual stress development in fusion welding of dissimilar stainless steels with different thickness. Archives of Civil and Mechanical Engineering, 24, 148, 2024. 

5. D Das, S Bag, S Pal, A De: A review on phenomenological model subtleties for defect assessment in friction stir welding, Journal of Manufacturing Processes, 120, 641-679, 2024.

6. A Kumar, R Sarma, S Bag, V.C. Srivastava and S Kapil: Physics-informed machine learning models for the prediction of transient temperature distribution of ferritic steel in directed energy deposition by cold metal transfer, Science and Technology of Welding and Joining, 28(9), 914 – 922, 2023.

7. D. Das, S. Bag, S. Pal: Probing finite element modelling of defects in friction stir welding by tailoring mass scaling factor, Materials Today Communications, 35, 105646, 2023.

8. D. Das, S. Bag, S. Pal and A. Sharma: Material defects in friction stir welding through thermo–mechanical simulation: dissimilar materials with tool wear consideration, Materials, 16(1), 301, 2023.

9. A. Kishore Prasad, S. Kapil and S. Bag: Tailoring coil geometry for secondary heating of substrate towards the development of induction heating-based wire additive manufacturing, Science and Technology of Welding and Joining, 28(3), 209-217, 2022.

10. B Kumar, S Bag, and M Ruhul Amin: Evaluation of Phase Transformation Strain and Its Influence on Residual Stress Generation in Laser Welded Ti–6Al–4V Alloy, ASME Journal of Manufacturing Science and Engineering, 144(12), 121002, 2022.

11. A K Prasad, S Kapil and S Bag: Critical conditions for melting of metallic wire in induction heating system through numerical simulation and experiments, Journal of Manufacturing Processes, 77(5), 678-693, 2022.

12. D Das, S Bag, S Pal and M Ruhul Amin: A finite element model for the prediction of chip formation and surface morphology in friction stir welding process, ASME Journal of Manufacturing Science and Engineering, 144(4), 041015(1-11), 2022.

13. AK Sahu, S Bag: Design of a double aging treatment for the improvement of mechanical and microstructural properties of pulse micro-plasma arc welded alloy 718, Journal of Materials Science, 56(23), 13400-13415, 2021.

14. AK Mondal, B Kumar, S Bag, Y Nirsanametla, P Biswas: Development of avocado shape heat source model for finite element based heat transfer analysis of high-velocity arc welding process, International Journal of Thermal Sciences, 166, 107005, 2021.

15. D Das, S Bag, S Pal: A finite element model for surface and volumetric defects in the FSW process using a coupled Eulerian–Lagrangian approach, Science and Technology of Welding and Joining, 26(5), 412-419, 2021

16. B Kumar, S Bag, S Mahadevan, CP Paul, CR Das, KS Bindra: On the interaction of microstructural morphology with residual stress in fiber laser welding of austenitic stainless steel, CIRP Journal of Manufacturing Science and Technology, 33, 158-175, 2021

17. S Bag, MR Amin: Investigation on ultrashort pulse laser welding of dissimilar metallic materials expending phase-lag influence, ASME Journal of Thermal Science and Engineering Applications, 12(5), 051014(1-14), 2020.

18. AK Sahu, S Bag: Probe pulse conditions and solidification parameters for the dissimilar welding of Inconel 718 and AISI 316L stainless steel, Metallurgical and Materials Transactions A, 51, 2192-2208, 2020.

19. B Kumar, S Bag, CP Paul, CR Das, R Ravikumar, KS Bindra: Influence of the mode of laser welding parameters on microstructural morphology in thin sheet Ti6Al4V alloy, Optics & Laser Technology, 131, 106456(1-14), 2020.

20. AK Sahu, S Bag, K Huang: Mitigation of micro-cracks in dissimilar welding of Inconel 718 and austenitic stainless steel, Philosophical Magazine Letters, 100(8), 365-374, 2020.

21. S Bag, C DiGiovanni, X Han, YN Zhou: A phenomenological model of resistance spot welding on liquid metal embrittlement severity using dynamic resistance measurement, ASME Journal of Manufacturing Science and Engineering, 142 (3), 031007(1-13), 2020. 

22. B Kumar, S Bag: Phase transformation effect in distortion and residual stress of thin-sheet laser welded Ti-alloy, Optics and Lasers in Engineering, 122, 209-224, 2019.

23. M Baruah, S Bag, S Kumar: Probing phase lag effect in ultra-short pulse laser heating of nano-film, Manufacturing letters, 13, 6-10, 2017.

24. M Baruah, S Bag: Influence of pulsation in thermo-mechanical analysis on laser micro-welding of Ti6Al4V alloy, Optics & Laser Technology, 90, 40-51, 2017.

25. DK Yaduwanshi, S Bag, S Pal: On the effect of tool offset in hybrid FSW of copper and aluminium alloy, Materials and Manufacturing Processes, 33(3), 277-287, 2017.

26. B Das, S Pal, S Bag: Design and development of force and torque measurement setup for real time monitoring of friction stir welding process, Measurement, 103, 186-198, 2017.

27. S Kumar, S Bag, M Baruah: Finite element model for femtosecond laser pulse heating using dual phase lag effect, Journal of Laser Applications, 28(3), 032008, 2016.

28. B Das, S Pal, S Bag: Monitoring of friction stir welding process using weld image information, Science and Technology of Welding and Joining, 21(4), 317-324, 2016.

29. M Baruah, S Bag: Influence of heat input in microwelding of titanium alloy by micro plasma arc, Journal of Materials Processing Technology, 231, 100-112, 2016.

30. DK Yaduwanshi, S Bag, S Pal: Numerical modeling and experimental investigation on plasma-assisted hybrid friction stir welding of dissimilar materials, Materials & Design, 92, 166-183, 2016.

31. B Das, S Bag, S Pal: Defect detection in friction stir welding process through characterization of signals by fractal dimension, Manufacturing Letters, 7, 6-10, 2016.

32. J Kalivarapu, S Jain, S Bag: An improved harmony search algorithm with dynamically varying bandwidth, Engineering Optimization, 48(7), 1091-1108, 2016.

33. N Yadaiah, S Bag: Development of egg-configuration heat source model in numerical simulation of autogenous fusion welding process, International Journal of Thermal Sciences, 86, 125-138, 2014.

34. RS Desai, S Bag: Influence of displacement constraints in thermomechanical analysis of laser micro-spot welding process, Journal of Manufacturing Processes, 16 (2), 264-275, 2014.

35. N Yadaiah, S Bag: Effect of heat source parameters in thermal and mechanical analysis of linear GTA welding process, ISIJ international, 52(11), 2069-2075, 2012.

36. P Bernard, S Bag, K Huang, RE Logé: A two-site mean field model of discontinuous dynamic recrystallization, Materials Science and Engineering: A, 528(24), 7357-7367, 2011.

37. S Bag, A De: Probing reliability of transport phenomena based heat transfer and fluid flow analysis in autogeneous fusion welding process, Metallurgical and Materials Transactions A ,41(9), 2337-2347, 2010.

38. S Bag, A Trivedi, A De: Development of a finite element based heat transfer model for conduction mode laser spot welding process using an adaptive volumetric heat source, International Journal of Thermal Sciences, 48(10), 1923-1931, 2009.

39. S Bag, A De, T DebRoy: A genetic algorithm-assisted inverse convective heat transfer model for tailoring weld geometry, Materials and Manufacturing Processes, 24(3), 384-397, 2009.

40. S Bag, A De: Development of a three-dimensional heat-transfer model for the gas tungsten arc welding process using the finite element method coupled with a genetic algorithm–based Identification of uncertain input parameters, Metallurgical and Materials Transactions A, 39(11), 2698-2710, 2008.