2018
5. B. Kumar, D. Kebede and S. Bag: Microstructure evolution in thin sheet laser welding of titanium alloy, International Journal of Mechatronics and Manufacturing Systems, 11(2/3), 203-229, 2018.
4. T. Saikia, M. Baruah and S. Bag: On the effect of heat input in plasma microwelding of maraging steel, Proceedings of IMechE, Part B: Journal of Engineering Manufacture, in press.
3. A K Mondal, A Lohit, P Biswas, S Bag and M Das: Prediction of weld-induced distortion of large structure using equivalent load technique, Proceedings of IMechE, Part B: Journal of Engineering Manufacture, in press.
2. B. Das, S. Pal and S. Bag: Monitoring of friction stir welding process using main spindle motor current, Journal of the Institution of Engineers (India): Series C, in press.
1. D Yaduwanshi, S Bag and S Pal: On the effect of tool offset in hybrid FSW of copper and aluminium alloy, Materials and Manufacturing Processes, 33(3), 277 - 287, 2018.
2017
11. S. Bag and M. R. Amin: Simulation based study on ultra-short pulse laser welding of dissimilar materials expending phase lag influence, IMECE 17, November 3 - 9, 2017, Tampa, Florida, US.
10. A K Mondal, P Biswas, S Bag: Prediction of welding sequence induced thermal history and residual stresses and their effect on welding distortion, Welding in the World, 61(4), 711 - 721, 2017.
9. M. Baruah, S. Bag and S Kumar: Probing phase lag effect in ultra-short pulse laser heating of nano-film, Manufacturing Letters, 13, 6 -10, 2017.
8. M. Baruah and S. Bag: Characteristic difference of thermo-mechanical behavior in plasma microwelding of steels, Welding in the World, 61(4), 857 - 871, 2017.
7. U S Dixit and S Bag: Special Theme: Modelling of Manufacturing Processes, Journal of the Institution of Engineers (India): Series C, 98(1), 3 - 4, 2017.
6. A K Mondal, P Biswas and S Bag: Prediction and comparative study of submerged arc weld induced residual stress and angular deformation of single and double sided fillet welded joint using finite element analysis, International Journal of Steel Structures, 17(1), 9 - 18, 2017.
5. B. Das, S. Pal and S. Bag: Torque based defect detection and weld quality modelling in friction stir welding process, Journal of Manufacturing Processes, 27, 8 - 17, 2017.
4. B. Das, S. Pal and 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.
3. B Das, S Bag and S Pal: Probing weld quality monitoring in frictionstir welding through characterization of signals by fractal theory, Journal of Mechanical Science and Technology, 31(5), 2459 - 2465, 2017.
2. B Das, S Pal and S Bag: Weld quality prediction in friction stir welding using wavelet analysis, International Journal of Advanced Manufacturing Technology, 89(1), 711 - 725, 2017.
1. M Baruah and S Bag: Influence of pulsation in thermo-mechanical analysis on laser microwelding of Ti6Al4V alloy, Optics & Laser Technology, 90, 40 - 51, 2017.
2016
11. M Baruah and S Bag: Microstructural influence on mechanical properties in plasma microwelding of Ti6Al4V alloy, Journal of Materials Engineering and Performance, 25(11), 4718 - 4728, 2016.
10. B Das, S Pal and S Bag: Defect detection if friction stir welding process using signal information and fractal theory, Procedia Engineering, 144, 172 - 178, 2016.
9. B Das, S Pal and S Bag: A combined Wavelet packet and Hilbert-Huang transform for defect detection and modeling of weld strength in friction stir welding process, Journal of Manufacturing Processes, 22, 260-268, 2016.
8. M Baruah and S Bag: Influence of heat input in microwelding of titanium alloy by micro plasma arc, Journal of Materials Processing Technology, 231, 100 - 112, 2016.
7. S Kumar, S Bag and M Baruah: Finite element model for femtosecond laser pulse heating using dual phase lag effect, Journal of Laser Applications, 28(3), 032008:1-14, 2016.
6. N Yadaiah, S Bag, C P Paul and L M Kukreja: Influence of self-protective atmosphere in fiber laser welding of austenitic stainless steel, International Journal of Advanced Manufacturing Technology, 86(1), 853 - 870, 2016.
5. D Yaduwanshi, S Bag and S Pal: Numerical modeling and experimental investigation on plasma assisted hybrid friction stir welding for dissimilar materials, Materials & Design, 92, 166 - 183, 2016.
4. B Das, S Bag and S Pal: Defect detection in friction stir welding process through characterization of signals by fractal dimension, Manufacturing Letters, 7, 6-10, 2016.
3. B Das, S Pal and S Bag: Monitoring of friction stir welding process using weld image information, Science and Technology of Welding and Joining, 21(4), 317-324, 2016.
2. J Kalivarapu, S Jain and S Bag: An improved harmony search algorithm with dynamically varying bandwidth, Engineering Optimization, 48(7), 1091-1108, 2016.
1. B Das, S Pal and S Bag: Machine vision system based monitoring approach for friction stir welding process, IEEE first international Conference on Control, Measurement and Instrumentation (CMI 2016), 8 - 10th January, 2016, Jadavpur University, Kolkata.
2015
1. D. Yaduwanshi, S. Bag and S. Pal: Heat transfer analyses in friction stir welding of aluminum alloy, Proceedings of IMechE, Part B: Journal of Engineering Manufacture, 229 (10), 1722 - 1733, 2015.
2. S. Jain, J. Kalivarapu and S. Bag: Development of self-consistent multi-objective harmony search algorithm, Edited by B.K. Panigrahi, P.N. Suganthan, S. Das in Swarm, Evolutionary, and Memetic Computing, LNCS 8947, Chapter 48, Springer, 2015.
3. A. K. Mondal, P. Biswas, S. Bag: Influence of tacking sequence on residual stress and distortion of single sided fillet submerged arc welded joint, Journal of Marine Science and Application, 14 (3), 250-260, 2015.
4. N. Yadaiah, S. Bag, C. P. Paul and L. M. Kukreja: Fiber laser welding in a controlled inert gas atmosphere: an experimental & numerical investigation, Edited by S. N. Joshi & Uday S. Dixit in Laser Based Manufacturing Processes, Springer, 2015.
5. D. Yaduwanshi, S. Bag and S. Pal: Hybrid Friction Stir Welding of Similar and Dissimilar Materials, Edited by R. Ganesh Narayanan, Uday S. Dixit in Advances in Material Forming and Joining, Springer, 2015.
6. B. Bas, S. Pal and S. Bag: Monitoring of weld quality in friction stir welding based on spindle speed and motor current signals, Edited by R. Ganesh Narayanan, Uday S. Dixit in Advances in Material Forming and Joining, Springer, 2015.
7. A. K. Mondal, P. Biswas, S. Bag and Manas M Mohapatra: Prediction of weld induced angular distortion of single sided and double sided fillet joint by SAW process, Edited by R. Ganesh Narayanan, Uday S. Dixit in Advances in Material Forming and Joining, Springer, 2015.
8. B. Das, S. Pal and S. Bag: Neurofractal modeling of weld quality in friction stir welding, International Conference on Cutting, Welding and Surfacing (CWS 2015), 5 - 7th August, 2015, Coimbatore. (Best technical paper award)
2014
1. S. Bag, D. Yaduwanshi and S. Pal: Heat transfer and material flow in friction stir welding process, Edited by Besharati-Givi & Asadi in Advances in Friction-Stir Welding and Processing, Woodhead Publishing, Chapter 2, 2014.
2. D. Yaduwanshi, S. Bag and S. Pal: Effect of preheating in hybrid friction stir welding of aluminum alloy, Journal of Materials Engineering and Performance, 23(10), 3794-3803, 2014.
3. N. Yadaiah and S. Bag: Development of egg-configuration heat source model in numerical simulation of autogenous fusion welding processes, International Journal of Thermal Sciences, 86(12), 125-138, 2014. (ScienceDirect top 25 list of most downloaded articles (Rank 8th for July-September, 2014 and 19th for October-December, 2014)
4. S. Singh, N. Yadaiah, S. Bag and S. Pal: Numerical simulation of welding induced residual stress in fusion welding using adaptive volumetric heat source, Proceedings of IMechE, Part C: Journal of Mechanical Engineering Science, 228(16), 2960-2972, 2014.
5. R. S. Desai and S. Bag: Influence of displacement constraints in thermomechanical analysis of laser micro-spot welding process, Journal of Manufacturing Processes, 16(2), 264-275, 2014.
2013
1. S. Bag and A. De: Computational models for GTA and laser welding processes, Lap-Lambert Academic Publishing Co. Ltd., Germany, ISBN 978-3-659-42994-1, 2013.
2. A. Ghosh, N. Barman, H. Chattopadhyay and S. Bag: Modelling of heat transfer in submerged arc welding process, Proceedings of IMechE, Part B: Journal of Engineering Manufacture, 227(10), 14767-1473, 2013.
3. N. Yadaiah and S. Bag: Role of oxygen as surface active element in linear GTA welding process, Journal of Materials Engineering and Performance, 22(11), 3199-3209, 2013.
4. M. Baruah and S. Bag: Numerical modelling of heat transfer and fluid flow in laser microwelding, International Journal of Mechatronics and Manufacturing Systems, 6(13), 310 - 334, 2013.
5. S. Bag: Recent advances in laser microwelding, KIRAN: A Bulletin of Indian Laser Association, 24(2), 23 – 31, 2013.
6. S. Bag and P K. Sahu: Influence of pulse shaping in thermal analysis of ultra-shot pulse laser welding using non-Fourier heat conduction, 22nd National and 11th International ISHMT-ASME Heat and Mass Transfer Conference, 28th – 31st December, 2013, IIT Kharagpur, India.
2012
1. N. Yadaiah and S. Bag: Effect of heat source parameters in thermal and mechanical analysis of linear GTA welding process, ISIJ International, 52 (11), 2069-2075, 2012.
2. S. Bag, D. V. Kiran, Arshad A. Syed and A. De: Efficient estimation of volumetric heat source in fusion welding process simulation, Welding in the World, 56(11/12), 88 - 97, 2012.
3. R. E Logé, P Bernard, K Huang, S Bag and M Bernacki: Mean Field and Finite Element Modeling of Static and Dynamic Recrystallization, Materials Science Forum, 715 -716, 737, 2012.
4. S. Bag: Adverse effect of surface active element transport in conduction mode laser welding process, KIRAN: A Bulletin of Indian Laser Association, 23(2), 6-10, 2012.
2011
1. P. Bernard, S. Bag, K. Huang and R. Logé: A two-site mean field model of discontinuous dynamic recrystallization, Materials Science and Engineering A, 528(24), 7357 - 7367, 2011.
2. S. Bag: A perspective review on laser assisted microjoining, Recent Patents on Mechanical Engineering, 4(2), 153 – 167, 2011.
3. R.E. Loge, S. Bag, K. Huang and M. Bernacki: Modelling dynamic and static recrystallization using mean field and finite element methods, Thermec 2011; 01/2011.
4. R.E. Loge, H. Resk, S. Bag, K. Huang and M. Bernacki: Modelling deformation and recrystallization in metals using digital microstructures and mean field methods, KomPlasTech 2011; 01/2011.
2010
1. S. Bag and A. De: Computational modeling of conduction mode laser welding process, Edited by Xiaodong Na in Laser Welding: ISBN 978-953-307-129-9, Chapter 6: 133-160, 2010.
2. S. Bag and A. De: Probing reliability of transport phenomena based heat transfer and fluid flow analysis in autogeneous fusion welding process, Metallurgical and Materials Transactions A, 41A(9), 2337 - 2347, 2010.
2009
1. S. Bag and A. De: Error analysis of forward and reverse heat conduction and convection calculations considering uncertainties in welding, Science and Technology of Welding and Joining, 14(9), 662-668, 2009.
2. S. Bag, A. Trivedi and A. De: Development of a finite element based conduction mode heat transfer model for laser welding process using an adaptive volumetric heat source, International Journal of Thermal Science, 48(10), 1923-1931, 2009.
3. S. Bag, A. De and T. DebRoy: A genetic algorithm assisted inverse convective heat transfer model for tailoring weld geometry, Materials and Manufacturing Processes, 24(3), 384-397, 2009.
4. S. Bag and A. De: Development of an efficient numerical heat transfer model coupled with genetic algorithm based optimization for the prediction of process variables in GTA spot welding, Science and Technology of Welding and Joining, 14(4), 333-345, 2009.
5. S. Bag and A. De: Three dimensional heat transfer modeling of laser beam welding using adaptive volumetric heat source and GA based optimization of absorption coefficient,Indian Welding Journal, 42(2), 43-48, 2009.
2008
1. S. Bag and A. De: Development of a three-dimensional heat transfer model for GTAW process using finite element method coupled with a genetic algorithm based identification of uncertain input parameters, Metallurgical and Materials Transactions A, 39A(11), 2698-2710, 2008.
2. S. Bag, A. Trivedi and A. De: Use of multivariate optimization algorithm to develop self-consistent numerical heat transfer model for laser spot welding, International Journal of Advanced Manufacturing Technology, 38, 575-585, 2008.
3. S. Bag and A. De: Three dimensional heat transfer modeling of laser beam welding using adaptive volumetric heat source and GA based optimization of absorption coefficient, International Conference on Welding (IIW IC - 2008), Organized by Indian Institute of Welding (IIW) in association with International Institute of Welding, 8th - 10th January, 2008, Chennai, India. (Awarded H D Govindraj Memorial Research Award from IIW for best research paper)
2007
1. A. Trivedi, S. Bag and A. De: Three dimensional transient heat conduction and thermomechanical analysis for laser spot welding using adaptive heat source, Science and Technology of Welding and Joining, 12(1), 24 - 31, 2007.