Publications

Books/Book Chapters

Authors : L.M. Kukreja, C.P. Paul, Atul Kumar, R. Kaul, P. Ganesh, and B.T. Rao

Chapter : Lasers in Materials Processing

Book : Laser Physics and Technology

Editors : Pradeep Kumar Gupta, Rajeev Khare

Publisher : Springer

ISBN : 978-81-322-1999-6

Authors : C P Paul, Atul Kumar, P Bhargava and L M Kukreja

Editors : Prof. J. Paulo Davim, University of Aveiro, Portugal.

Publisher : Springer

ISBN : 978-1-4471-5178-4

Authors : C P Paul, P Bhargava, Atul Kumar, A K Pathak and L M Kukreja

Editors : Prof. J. Paulo Davim, University of Aveiro, Portugal.

Publisher : Wiley-ISTE, UK

ISBN : 978-1-8482-1369-2

Authors : L M Kukreja, R Kaul, C P Paul, P Ganesh, B T Rao

Editors : J. Dutta Majumdar and I. Manna, Indian Institute of Technology Kharagpur, India

Publisher : Springer-Verlag

ISBN : 978-3-6422-8358-1

Authors : M Alimardani, C P Paul, E Toyserkani and A Khajepour,

Chapter : Multiphysics modelling laser solid freeform fabrication techniques,

Editors : J. Lawrence, J. Pou, D.K. Low, E. Toyserkani

Publisher : CRC Press and Woodhead Publishing Ltd, Cambridge, UK, First Edition. 880 pages.

ISBN : 1 84569 474 0

S M Banait, C P Paul, A N Jinoop, H Kumar, R S Pawade, KS Bindra (2020), “Experimental investigation on laser directed energy deposition of functionally graded layers of Ni-Cr-B-Si and SS316L”, Optics & Laser Technology 121, 105787.

S L Nidhin, S C Joshi, C P Paul, V K Senecha, N K Sharma, G V Kane (2020), “ An efficient algorithm for computation of spatial heat generation during interaction of high energy proton beam with target materials”, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 461, pp.16-24

A N Jinoop, C P Paul, J Denny, S K Nayak, P Vamsi Krishna, K S Bindra (2019), "Laser Additive Manufacturing of Hastelloy-X Thin Walls using Directed Energy Deposition: Parametric Investigation and Multi-Objective Analysis”, Lasers in Engineering (Accepted).

A N Jinoop, J Denny, C P Paul, J G Kumar, K S Bindra (2019), “Effect of post heat-treatment on the microstructure and mechanical properties of Hastelloy-X structures manufactured by laser based Directed Energy Deposition”, Journal of Alloys and Compounds 797, pp. 399-412.

A N Jinoop, C P Paul, S K Mishra, K S Bindra (2019), “Laser Additive Manufacturing using directed energy deposition of Inconel-718 wall structures with tailored characteristics”, Vacuum 166, pp. 270-278.

N K Sharma, C P Paul, S C Joshi, G V Kane, A Chaturvedi (2019), “Coupled 3D multiphysics analysis of 325 MHz ISNS RFQ structure”, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 937, pp. 59-71.

A N Jinoop, C P Paul, KS Bindra (2019), “Laser assisted Directed Energy Deposition of Nickel Super Alloys: A Review”, Proc. of Inst. Mech. Engineers, Journal of Materials: Design and Applications, 233 pp. 2376-2400.

NK Sharma, C P Paul, S C Joshi, G V Kane, A Chaturvedi (2019), “Multiphysics Analysis for Thermal Management of a 3 MeV, 325 MHz Radio Frequency Quadrupole Accelerator for Indian Spallation Neutron Source,” Journal of Electromagnetic Analysis and Applications, 11 pp. 55-78.

A A Siddiqui, A K Dubey, C P Paul (2019), “Geometrical Characteristics in Laser Surface Alloying of a High-entropy Alloy”, Lasers in Engineering (Old City Publishing). 43, pp.237-259.

A N Jinoop, S Kanmani Subbu, C P Paul, I A Palani (2019), “Post-processing of Laser Additive Manufactured Inconel 718 using Laser Shock Peening”, International Journal of Precision Engineering and Manufacturing, 20, pp. 1621–1628.

A N Jinoop, C P Paul, KS Bindra (2019), “Laser assisted direct energy deposition of Hastelloy-X”, Optics & Laser Technology 109, pp.14-19

C Kumar, M Das, C P Paul, K S Bindra (2019), “Weld Quality Assessment in Fiber Laser Weldments of Ti-6Al-4V Alloy”, Journal of Materials Engineering and Performance 28, pp. 3048-3062

Tarun Bhardwaj, Mukul Shukla, C P Paul, K S Bindra (2019), “Direct Energy Deposition - Laser Additive Manufacturing of Titanium-Molybdenum alloy: Parametric studies, microstructure and mechanical properties”, Journal of Alloys and Compounds, 787, pp. 1238-1248

A Mandal, JK Tiwari, N Sathish, C P Paul, SK Mishra, Venket Ch AN, AK Singh, SAR Hashmi (2019), “Microstructure and Microhardness Study of Aluminium Graphene Composite Made by Laser Additive Manufacturing”, Applied Innovative Research (AIR), 1 (1), pp. 67-74.

A A Siddiqui, A K Dubey, C P Paul (2019), “A study of metallurgy and erosion in laser surface alloying of AlxCu0.5FeNiTi high entropy alloy”, Surface & Coatings Technology, 361, pp. 27-34

Shiva, S., I A Palani, C P Paul, and B. Singh (2016), "Laser annealing of laser additive–manufactured Ni-Ti structures: An experimental–numerical investigation." Proc. Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 232 (6), pp. 1054 - 1067.

S V Telrandhe, B Jayabalan, C P Paul, S K Mishra (2018), “Microstructural Development Due to Laser Treatment and Its Effect on Machinability of Ti6Al4V Alloy”, Metallurgical and Materials Transactions A 49 (8), pp. 3450-3467

C Kumar, M Das, C P Paul, KS Bindra (2018), “Characteristics of fiber laser weldments of two phases (α+ β) titanium alloy”, Journal of Manufacturing Processes 35, pp. 351-359

C Kumar, M Das, C P Paul, K S Bindra (2018), “Comparison of bead shape, microstructure and mechanical properties of fiber laser beam welding of 2 mm thick plates of Ti-6Al-4V alloy”, Optics & Laser Technology, 105, pp. 306-321

C Kumar, M Das, C P Paul, B Singh (2017), “Experimental investigation and metallographic characterization of fiber laser beam welding of Ti-6Al-4V alloy using response surface method”, Optics and Lasers in Engineering 95, pp. 52- 68.

V W Anthony, M Singh, C P Paul (2017), “Investigating Biocompatibility of Laser Rapid Manufactured Porous structures of Titanium”, International Journal of Science, Engineering and Management, 2, pp.78-81.

S Shiva, IA Palani, C P Paul, SK Mishra, B Singh (2016), “Investigations on phase transformation and mechanical characteristics of laser additive manufactured TiNiCu shape memory alloy structures”, Journal of Materials Processing Technology 238 pp.142-151

N Yadaiah, S Bag, C P Paul, LM Kukreja (2016), “Influence of self-protective atmosphere in fiber laser welding of austenitic stainless steel”, The International Journal of Advanced Manufacturing Technology, 86 (1-4), pp. 853–870.

S Mandal, S Kumar, P Bhargava, and C. P. Paul (2016), “Analysis of Discontinuous Bead Formation by PTAW Process." Materials and Manufacturing Processes 31 (16) pp. 2181-2185.

S Shiva, I A Palani, SK Mishra, C P Paul, LM Kukreja (2016), “Influence of Cu Addition to Improve Shape Memory Properties in NiTi Alloys Developed by Laser Rapid Manufacturing”, Journal of Laser Micro Nanoengineering 11 (2), pp. 153 – 157.

S Jhavar, C P Paul, NK Jain (2016), “Micro-Plasma Transferred Arc Additive Manufacturing for Die and Mold Surface Remanufacturing”, Journal of The Minerals, Metals & Materials Society (TMS), 68 (7), pp.1801-1809

S Shiva, I A Palani, S K Mishra, C P Paul, LM Kukreja (2015), “Investigations on the influence of composition in the development of Ni–Ti shape memory alloy using laser based additive manufacturing”, Optics & Laser Technology 69, pp. 44-51.

S Mandal, S Kumar, P Bhargava, CH Premsingh, C P Paul, LM Kukreja (2014), “An Experimental Investigation and Analysis of PTAW Process”, Materials and Manufacturing Processes, Vol. 30 No. 9 pp. 1131-1137 .

S Mandal, S Kumar, P Bhargava, C H Premsingh, C P Paul, L. M. Kukreja (2014), “An Analysis on Bead Characteristics in Material Deposition by PTAW Process”, Applied Mechanics and Materials, Vol. 592-594, pp. 33-37.

Atul Kumar, C P Paul, A S Padiyar, P Bhargava, G Mundra and L M Kukreja (2014), “Numerical Simulation of Laser Rapid Manufacturing of Multi-Layer Thin Wall using Improved Mass Addition Approach”, Numerical Heat Transfer – A, Applications, Vol. 65 No. 9, pp. 885–910.

P Bhargava, C P Paul, G Mundra, C H Prem Singh, S K Mishra, Atul Kumar, D Nagpure and L M Kukreja (2014), “Study on Weld Bead Surface Profile and Angular Distortion in 6 mm Thick Butt Weld Joints of SS304 using Fiber Laser”, Optics and Lasers in Engineering Vol. 53, pp. 152–157.

C P Paul, B.K Gandhi, P. Bhargava, D. K. Dwivedi, L. M. Kukreja (2014), “Cobalt-Free Laser Cladding on AISI Type 316L Stainless Steel for Improved Cavitation and Slurry Erosion Wear Behavior”, Journal of Materials Engineering and Performance, Vol. 23, Issue 12, pp. 4463 - 4471.

S Jhavar, C P Paul, N K Jain (2014), “Experimental investigation on geometrical aspects of micro-plasma deposited tool steel for repair applications”, International Journal of Modern Physics: Conference Series, Vol. 32, pp. 1460347 (9 pages).

V K Jain, U S Dixit, C P Paul, Arvind Kumar (2014), “Micromanufacturing: A review—Part II”, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 228, Issue 9, pp. 995-1014.

Y Nirsanametla, S Bag, C P Paul, L M Kukreja (2014), “Efficient Finite Element Modeling of Fiber Laser Welding Process under Conduction Regime on 316 Stainless Steel Plate”, International Journal of Current Engineering and Technology, Vol.2, pp.31-36.

S. Jhavar, N K Jain, C P Paul (2014), “Enhancement of deposition quality in micro-plasma transferred arc deposition process”, Materials and Manufacturing Processes, Vol. 29, issue 8, pp.1017-1023.

SJhavar, N K Jain, C P Paul (2014), “Development of micro-plasma transferred arc (µ-PTA) wire deposition process for additive layer manufacturing applications”, Journal of Materials Processing Technology, Vol. 214, pp. 1102-1110.

P Bhargava, C P Paul, C H Premsingh, S K Mishra, Atul Kumar, D C Nagpure, Gurvinderjit Singh, and L M Kukreja (2013), “Studies on Tandem Rapid Manufacturing of Inconel-625 using Laser Rapid Manufacturing and Plasma Transferred Arc Deposition, Advances in Manufacturing, Vol. 1, No. 4, pp. 305-313.

S Jhavar, C P Paul,N K Jain(2013), “Causes of failure and repairing options for dies and molds: a review”, Engineering Failure Analysis, Vol. 34, pp. 519-535.

C P Paul, S K Mishra, P Tiwari and L M Kukreja (2013), "Solid-Particle Erosion Behavior of WC/Ni Composite Clad layers with Different Contents of WC Particles", Optics and Laser Technology, Vol. 50, pp.155-162.

C P Paul, S K Mishra, Atul Kumar and L M Kukreja (2013), "Laser Rapid manufacturing on Vertical Surfaces: Analytical and Experimental Studies", Surface and Coatings Technology. Vol. 224, pp.18-28.

S Mondal, C P Paul, L M Kukreja, Asish Bandyopadhyay & Pradip Kumar Pal (2013) "Application of Taguchi-based gray relational analysis for evaluating the optimal laser cladding parameters for AISI1040 steel plane surface", International Journal of Advanced Manufacturing Technology, 24, 1-8, doi: 10.1007/s00170-012-4308-8.

S Mondal, J D Barma, C P Paul, A Bandyopadhyay, P K Pal (2012) "Multi-objective optimization in laser cladding process using Utility Theory coupled with Taguchi Method", International Journal of Advances in Science and Technology, Vol. 4, No.3, pp.67-73.

SohanLal, C P Paul, C. H. Premsingh, P. Bhargava, S. K. Mishra,L. M. Kukreja and S. K. Deb (2012), "Parametric Dependence and Characterization of Laser Brazed Copper-Stainless Steel Joints", Advanced Materials Research Vol. 585 pp 450-454.

C P Paul, S K Mishra, C H Premsingh, P Bhargava, P Tiwari and L M Kukreja,(2012) “Studies on laser rapid manufacturing of cross-thin-walled porous structures of Inconel 625”, International Journal of Advanced Manufacturing Technology, Volume 61, Numbers 5-8, 757-770, DOI: 10.1007/s00170-011-3742-3.

Atul Kumar, C P Paul, A K Pathak, P Bhargava and L M Kukreja, (2012) "A finer modeling approach for numerically predicting single track geometry in two dimensions during Laser Rapid Manufacturing", Optics and Laser Technology, Volume 44, Issue 3, pp. 555-65.

M N Ahsan, C P Paul, L M Kukreja, A J Pinkerton, (2011) "Porous structures fabrication by continuous and pulsed laser metal deposition for biomedical applications: modelling and experimental investigation". Journal of Materials Processing Technology. Volume 211, Issue 4, pp. 602-609.

S R Kiran, B K Gandhi, D K Dwivedi, C P Paul and L M Kukreja, (2011) "Erosive Wear Behaviour of Laser Clad Surfaces of Ni and Co Based Alloys", Journal of Tribology and Surface Engineering, Volume 2 Issue 1-2, pp. 33-40.

P Ganesh, A Moitra, Pragya Tiwari, S Sathyanarayanan, Harish Kumar, S K Rai, Rakesh Kaul, C P Paul, R C Prasad, L M Kukreja, “Fracture behavior of laser-clad joint of Stellite 21 on AISI 316L stainless steel”, Materials Science and Engineering: A, Volume 527, Issues 16-17, 25 June 2010, pp. 3748-3756.

Masoud Alimardani, Ehsan Toyserkani, Jan P Huissoon and C P Paul, “On the delamination and crack formation in a thin wall fabricated using laser solid freeform fabrication process: An experimental–numerical investigation”, Optics and Lasers in Engineering, Volume 47, Issue 11, November 2009, pp. 1160-1168.

P Ganesh, R Kaul, S Mishra, P Bhargava, C P Paul, C H Prem Singh, P Tiwari, S M Oak, R C Prasad,

“Laser rapid manufacturing of bi-metallic tube with stellite-21and austenitic stainless steel”, Transactions of The Indian Institute of Metals, Vol. 62, Issue 2, April 2009, pp. 1-6.

Girish R Desale, C P Paul, B K Gandhi and S C Jain, “Erosion wear behavior of laser clad surfaces of low carbon austenitic steel”, Wear, Volume 266, Issues 9-10, 24 April 2009, pp 975-987.

Dheeraj Gupta, C P Paul, B K Gandhi, S R Gupta, A K Nath, “Wear Behaviour of Laser Clad Surfaces of Cr3C2, WC and Mo on Austenitic AISI 304L Steel”, Journal of Laser Applications,20, August 2008, pp. 140-145.

C P Paul and A Khajepour, “Automated Laser Fabrication of WC-Co Components”, Optics & Laser Technology,Vol.40, issue-5, July 2008,pp. 735-741.

M Alimardani, C P Paul, E Toyserkani, “On the Microstructure of a Thin Wall Formed under Thermal and Stress Fields Induced in LaserSolid Freeform Fabrication Process”, International Journal of Microstructure and Materials Properties, Vol.5, No. 2/3, 2010 pp. 276-297.

S Kumar, S Roy, C P Paul, A K Nath, “A Three Dimensional Conduction Heat Transfer Model for Laser Cladding Process”, Numerical Heat Transfer, Part B: Fundamentals, Volume 53, Issue 3 March 2008 , pp.271 – 287.

H. Alemohammad, E Toyserkani, C P Paul, “Fabrication of smart cutting tools with embedded optical fiber sensors using combined laser solid freeform fabrication and moulding techniques”, Optics and Lasers in Engineering, Vol.45, issue-10, pp.1010-1017, October 2007.

C P Paul, H Alemohammad, E Toyserkani, A Khajepour, S Corbin, “Cladding of WC-12Co on low carbon steel using a pulsed Nd:YAG laser”, Material Science and Engineering-A Volume 464, Issues 1-2, , pp. 170-176, 25 August 2007.

C P Paul, P Ganesh , S K Mishra, P Bhargava, J Negi and A K Nath, “Investigating Laser Rapid Manufacturing for Inconel-625 Components”, Optics and Laser Technology. 39, pp. 800–805, 2007.

C P Paul, Amit Jain, P Ganesh , J Negi and A K Nath, “Laser Rapid Manufacturing of Colmonoy Components”, Laser and Optics in Engineering, Vol. 44, Issue 10, pp.1096-1109, Oct. 2006.

A K.Nath, T Reghu, C P Paul, M O Ittoop, P Bhargava, “High-Power Transverse Flow CW CO2 Laser For Material Processing Applications”, Optics & Laser Technology, vol.37, pp. 329-33, 2005.

R Kaul, P Ganesh, S K Albert, A Jaiswal, N P Lalla, A Gupta, C P Paul and A K Nath, “Laser cladding of Austenitic Stainless steel with Nickel base hardfacing alloy”, Surface Engineering, vol.19, No.3, pp. 269-273, 2003.

J Khare, R Sridhar, C P Paul, T Raghu, A K Nath, “Operational characteristics and power scaling of a transverse flow transversely excited CW CO2 laser”, PRAMANA, Vol. 60, p. 99-107, 2003.

C P Paul, Jayant Negi and A K Nath, “Parametric dependence and fabrication time in laser rapid manufacturing”, Metals, Materials and Processes, Vol.14, No.3, p. 163-172, 2002.

A K Nath and C P Paul, “Lasers – a cutting edge technology in manufacturing”, Periyar Jounal of R & D, Vol. 1 issue-1, Nov. 2001.

Conference/Symposium Papers

A. Sahu, A N Jinoop, C P Paul, Adepu Kumar , K S Bindra, “Numerical Modeling of High Energy Density Beam Assisted Machining of Hardened Armour Steel”, International Conference on Applied Mechanical Engineering Research. (ICAMER - 2019), NIT Warangal, May 02-05, 2019.

K Dileep, A N Jinoop, C P Paul , M Baral , Y Ravikumar , K S Bindra, “Investigating High Temperature Oxidation of Hastelloy-X Fabricated by Laser assisted Directed Energy Deposition”, International Conference on Applied Mechanical Engineering Research. (ICAMER - 2019), NIT Warangal, May 02-05, 2019.

P Bhargava, C P Paul, M O Ittoop, C H Prem Singh, Sunil Kumar, Bhupinder Singh, K S Bindra, “Indigenous Development of Robot assisted Laser Additive Manufacturing System”, DAE-BRNS National Laser Symposium (NLS-27), RRCAT Indore, December 3 – 6, 2018.

H Kumar, C H Prem Singh, U Kumar, D Nagpure, C P Paul, K S Bindra, “Multi-Material Cladding using Laser Additive Manufacturing – Directed Energy Deposition: A route for Joining of Dissimilar Materials”, ibid.

G K Mishra, U Kumar, A Kumar, C P Paul, K S Bindra, “Laser Additive Manufacturing using Direct Energy Deposition of Alumina”, ibid.

S K Mishra, C S Mandloi, C P Paul, K S Bindra, “Development of Laser Additive Manufacturing System using Powder Bed Fusion Technology”, ibid.

C H Prem Singh, H Kumar, U Kumar, D.C. Nagpure, C P Paul, K S Bindra, “Laser Additive Manufacturing of Tungsten Carbide on SS304 tube using Direct Energy Deposition”, ibid.

C S Mandloi, S K Mishra, C P Paul, K S Bindra,” Development of Co-Axial Wire Feeding System for Laser Additive Manufacturing”, ibid.

A N Jinoop , S. Yadav, C P Paul, U Kumar, C H Premsingh, K S Bindra, “Laser Additive Manufacturing of Overhang Walls using Direct Energy Deposition”, ibid.

S K Nayak, S K Mishra, C S Mandloi, A N Jinoop, C P Paul, K S Bindra, “Parametric Investigation on Indigenously Developed Powder Bed Fusion based Laser Additive Manufacturing using SS316L”, ibid.

J Denny, A N Jinoop, C P Paul, C H Premsingh, U Kumar, K S Bindra, “Fatigue Behaviour of Nickel based superalloys fabricated by Laser Additive Manufacturing using Directed Energy Deposition with two different rastering patterns”, ibid.

A K Rai, C H Premsingh, R Biswal, P Ganesh, S K Rai, C P Paul, K Ranganathan, K S Bindra, “Laser Surface Alloying of Inconel 718 with Amorphous Boron”, ibid.

J Derek, A N Jinoop, C P Paul, S L Nidhin, NG Rasu and K S Bindra, “Investigating the Effect of Geometry on Micro-Channel Heat Exchangers Using CFD Analysis”, 1st International Conference on Future Learning Aspects of Mechanical Engineering (FLAME - 2018), Amity University Uttar Pradesh, Noida, October 3 – 5, 2018.

A N Jinoop, C P Paul and K S Bindra, Parametric Study on Laser Additive Manufacturing and Subsequent Post Processing of Inconel 718 Thin Walled Structures, ASME Gas Turbine India Conference 2017 (ASME GT-2017), Bangalore, December 7 – 8, 2017.

S M Banait, A N Jinoop, C PPaul, H Kumar, R S Pawade, K S Bindra, Investigating Laser Additive Manufacturing of Functionally Graded Ni-Cr-B-Si and SS 316L (December 21, 2017). International Conference on Advances in Thermal Systems, Materials and Design Engineering (ATSMDE2017), VJTI Mumbai, December 21-22, 2017.

J Denny, A N Jinoop, C P Paul, P Vamsi Krishna, K S Bindra, “Investigating Laying of Hastelloy-X Tracks using Powder Feed based Laser Additive Manufacturing, International Conference on Advanced Materials and Processes (ADMAT-2017), Thiruvananthapuram, December 14-16, 2017.

C H Premsingh, U Kumar, C P Paul, R K Gupta, S D Sharma and K S Bindra, “Investigating Laser Additive Manufacturing of DELORO-50 Bushes”, DAE-BRNS National Laser Symposium (NLS-26), BARC Mumbai, December 20-23, 2017.

S K Mishra, U Kumar, C P Paul and K S Bindra, “Laser Additive Manufacturing of Molybdenum Clad Layers on Copper Substrate”, ibid.

A N Jinoop, C P Paul, SBhartiya, J Denny, S K Nayak, S Karand K S Bindra, Investigating effects of Solution Treatment on Powder Bed Laser Additive Manufactured Inconel 718, ibid.

Ankita S,U Kumar, A N Jinoop, C P Paul, D Nagpure, B Singh,S B Ghosh, “Study on Laser Additive Manufacturing of Gradient Nickel Layers on Copper”, DAE-BRNS National Laser Symposium (NLS-25),KIIT University, Bhubaneswar, December 20 - 23, 2016.

S Shubham,A N Jinoop, UKumar, C P Paul, D. Nagpure , Y Ravikumar and B Singh, “Investigating track geometry of Inconel 718 for Laser Additive Manufacturing of Micro-Channel Heat Exchangers”, ibid.

S Shiva, I A Palani, C P Paul, B Singh, “Investigating The Effects of Laser Annealing and Laser Shock Peening Of Tinicu Shape Memory Alloy Developed By Laser Additive Manufacturing”, ibid.

S.K. Mishra, U Kumar, C H Premsingh,C P Paul,B Singh, “Hardfacing of Ni Based Tribaloy-T700 Alloy on Austenitic Stainless Steel 316L using Laser Additive Manufacturing” , ibid.

S.Shiva, I.A Palani, C P Paul, B.Singh “Comparative Investigation on the effects of Laser Annealing and Laser Shock peening on the as manufactured NiTi Shape Memory Alloy Structures Developed by Laser Additive Manufacturing” All India Manufacturing Technology Design and Research (AIMTDR) Conference, COEP, Pune, December 16-18, 2016.

S.Shiva, I.A Palani, CP Paul, B.Singh, "Comparing the effects of pulsed laser annealing and continuous wave laser annealing on the as manufactured NiTi shape memory alloy structures developed by laser additive manufacturing "Solid Freeform Fabrication Symposium 2016 (SFFSymposium2016), University of Texas in Austin, Austin, Texas, USA, August 8–10, 2016.

Shiva S, Aditya Singh, Suyash Bhangale, I A Palani, S K Mishra, C P Paul, L M Kukreja, A M Awasthi, “Influence of Laser Annealing on Laser Additive Manufactured Shape Memory Structures of NiTi Alloys” Lasers and Plasma Application in Materials Science (LAPAMS) 2015, Kolkata, January 15 – 17, 2015.

Shiva S, I A Palani, S K Mishra, C P Paul, L M Kukreja, “Influence of Cu addition on Laser Additive Manufactured Shape Memory Structures of NiTi Alloys” Laser Advanced Materials Processing (LAMP) Fukoka, Japan,May 26th-29th 2015.

Shiva S, I A Palani, C P Paul “Influence of conventional annealing and laser annealing on the surface morphology of NiTi structures developed by laser additive manufacturing” DAE BRNS National Laser Symposium (NLS-24). held during December 2-5, 2015 at RRCAT, Indore.

S K Mishra, U Kumar, C Premsingh, B S Rawat, MOIttoop, P Bhargava, C P Paul and L M Kukreja (2014), “Investigating Powder, Wire and Hybrid Feeding for Laser Rapid Manufacturing”, DAE-BRNS National Laser Symposium (NLS-23), S.V. University ,Tirupati, December 3 – 6, 2014

V Bhardwaj, A J Singh, S K Sharma, C P Paul, P KMukhopadhyay, K S Bindra and S M Oak (2014), “Studies on material removal rate of copper under different gas environment during DPSS green laser based micro-drilling”, ibid

J Singh, C P Paul, A K Karnewar, S K Mishra, C H Premsingh, T A Puntambekar and L M Kukreja (2014), Laser Rapid Manufacturing and Characterization of Various Transit Compositions of Ti-SS304L Transition Joint with Ni interlayers,DAE-BRNS National Laser Symposium (NLS-22), Manipal University, Manipal, January 8-11, 2014.

C P Paul, S K Mishra, Atul Kumar, P Bhargava, C H Premsingh, D C Nagpure and L M Kukreja (2014), “Architecting Functionally Graded Ti-Porous Structures Using Laser Rapid Manufacturing”, ibid.

Yadaiah Nirsanametla, Swarup Bag, C P Paul, L MKukreja (2014), Efficient Finite Element Modeling of Fiber Laser Welding Process under Conduction Regime on 316 Stainless Steel Plate, Proceedings International Conference Advances in Mechanical Sciences, Hyderabad, Jan. 9 – 11, 2014.

S. Jhavar, N K Jain, C P Paul, “Effect of Work Material Hardness and Machining Parameters on Burr-formation and Surface Finish in Micro-Milling of AISI D2 Steel”, Proceedings of 2nd International Conference on Intelligent Robotics, Automation and Manufacturing 2013 (IRAM 2013), Dec. 16-18, 2013.

N Yadaiah, S Bag, C P Paul and L M Kukreja (2013), “Fiber laser welding of austenitic stainless steel in protective atmosphere of argon”, Recent Development in Welding and Joining Technologies, 7th Asia Pacific IIW International Congress, 8th - 10th July, 2013, Singapore.

SohanLal, C P Paul, C. H. Premsingh, P. Bhargava, S. K. Mishra, L M Kukreja, S. K. Deb (2012), "Parametric Dependence and Characterization of Laser Brazed Copper-Stainless Steel Joints", International Conference on Advanced Material Processing- Challenges and Opportunities, IIT Roorkee.

C P Paul, S K Mishra, C H Premsingh, P Bhargava, Gurvinderjit Singh, L M Kukreja (2012), "Study on Erosion Wear Behavior of Laser Rapid Manufactured Tungsten Carbide Reinforced Nickel Matrix on 316L Stainless Steel", International Conference of Processing and Fabrication of Advanced Materials (PFAM-21), IIT Guwahati.

A S Padiyar, C P Paul, Atul Kumar, G Mundra and L M Kukreja (2012), "Numerical Simulation of Temperature and Thermal Stress Distributions during Laser Rapid Manufacturing of Multilayer Ti-SS Transition Joint", International Conference of Processing and Fabrication of Advanced Materials (PFAM-21), IIT Guwahati.

C P Paul, P Bhargava, S K Mishra, C H Premsingh, AbratVerma, A K Pathak, Atul Kumar, L M Kukreja, "Development of a 2 kW fiber laser based Rapid Manufacturing System", Proc. DAE-BRNS National Laser Symposium (NLS-20), Anna University, Chennai.

Atul Kumar, C P Paul, P Bhargava and L M Kukreja, "Numerical Modeling Incorporating Substrate Preheating Effect on Laser Rapid Manufactured Geometry", Proc. DAE-BRNS National Laser Symposium (NLS-20), Anna University, Chennai.

A K Pathak, AbratVerma, C P Paul, P Bhargava and L M Kukreja, "Auto-purging system for 2 kW fiber laser based rapid manufacturing system", Proc. DAE-BRNS National Laser Symposium (NLS-20), Anna University, Chennai.

S K Mishra, C P Paul, P Bhargava and L M Kukreja, "Development and characterization of compact co-axial nozzle for laser rapid manufacturing", Proc. DAE-BRNS National Laser Symposium (NLS-20), Anna University, Chennai.

P Bhargava, C P Paul, S K Mishra, U Chaterji, C H Premsingh, G. Mundra and L M Kukreja, "Study on distortion behavior during welding of 6 mm thick SS 304 using 2 kW fiber laser", Proc. DAE-BRNS National Laser Symposium (NLS-20), Jan. 9-12, 2012, Anna University, Chennai.

Sohan Lal, C H Prem Singh, C P Paul, P Bhargava and L M Kukreja, "Parametric study of laser brazed joint of 3 mm thick Cu-Cu and SS-Cu sheets", Proc. DAE-BRNS National Laser Symposium (NLS-20), Jan. 9-12, 2012, Anna University, Chennai.

Subrata Mondal, BipanTudu, C P Paul, AsishBandyopadhyay, Pradip K. Pal, “Optimal solution Investigation in Laser Cladding Operation through Genetic Algorithm approach”, Proc. Fifth International Conference on Advances in Mechanical Engineering (ICAME-2011) June 06-08, 2011, SVNIT Surat. Paper Code: 141-203-1-RV.

Subrata Mondal, S K Mishra, C H Premsingh, C P Paul, L M Kukreja, AsishBandyopadhyay, Pradip K Pal, “Optimization of laser cladding process parameters for mild steel using Taguchi method and MRA”, Proc. Fifth International Conference on Advances in Mechanical Engineering (ICAME-2011) June 06-08, 2011, SVNIT Surat. aper Code: 68-91-1-RV.

C P Paul, S K Mishra, C H Prem Singh, PragyaTiwari, P Bhargava and L M Kukreja, “Laser Rapid Manufacturing and Characterization of Cross thin walled porous structure of Inconel-625 alloy”, DAE BRNS National Laser Symposium (NLS-19), Dec 1-4, 2010, RRCAT, Indore.

Atul Kumar, C P Paul, S K Mishra, C H Prem Singh, Manoj Kumar and L M Kukreja, “Prediction of Single Track Geometry for Laser Rapid Manufacturing using Two Dimensional Numerical Model”, DAE BRNS National Laser Symposium (NLS-19), Dec 1-4, 2010, RRCAT, Indore.

P Bhargava, C P Paul, C H Prem Singh, S K Mishra and L M Kukreja, "Studies on Plasma transferred arc deposition of Inconel 625 for Hybrid Laser Rapid Manufacturing", DAE BRNS National Laser Symposium (NLS-19), Dec 1-4, 2010, RRCAT, Indore.

Suyog Jhavar, S.K. Mishra, C P Paul, NavneetArora and L.M.Kukreja, “Development of CAD/CAM Interface for Laser Rapid Manufacturing System”, Proc. International Conference on Advances in Mechanical Engineering (ICAME-2010), January 4-6, 2010, S.V. National Institute of Technology, Surat, INDIA, pp. 918-922.

M Kumar, T Raghu, J S Pakhare, P Bhargava, R K Soni, C Gupta, A Verma, V Mandloi, C P Paul, Shailesh Kumar, G S Yadav, A K Nath, S M Oak, L M Kukreja, “Indigenous Development of High Energy High Repetition Rate Line Tunable CO2 Laser”, National Laser Symposium , BARC, Mumbai, Jan., 13-16, 2010.

Pinaki Paul, RakeshKaul, C P Paul, S K Mishra, C H Premsingh, PragyaTiwari, R SubbaRao, M Sai Baba, L M Kukreja and R K Dayal, “Laser-assisted Surface Boronizing of Type 304L Stainless Steel and Characterization of the Boronized Coating”, Proc. Seminar on Application of Laser in Materials Processing, 8 – 9 January 2010, Jadhavpur University, Kolkata, INDIA, pp. 205-213.

S Mondal, A Bandyopadhyay, P K Pal, C P Paul, P. Bhargava, S. K. Mishra, L.M. Kukreja and D. Misra, “Cladding of 20 Mn Cr 5 Steel with Inconel-625 Powder using CO2 Laser - Some Experiments and Analyses”, Proc. Seminar on Application of Laser in Materials Processing, 8 – 9 January 2010, Jadhavpur University, Kolkata, INDIA, pp. 254-260.

M Naveed Ahsan, C P Paul, A J Pinkerton, L M Kukreja, “Porous Surface Structures By Continuous And Pulsed Laser Direct Metal Deposition For Biomedical Applications”, 23rd International Conference on Surface Modification Technologies, Chennai, November 2-5, 2009.

Juansethi Ibarra-Medina, A J Pinkerton, C P Paul, “Coaxial Laser Cladding Gas Flows And Their Effects”, 23rd International Conference on Surface Modification Technologies, Chennai, November 2-5, 2009.

C P Paul, A Pinkerton, S K Mishra, C H Premsingh, P Ganesh, P Bhargava,and L M Kukreja, “Laser Rapid Manufacturing and characterization of porous 316L stainless steel structures”, 28th International Conference on Applications of Laser and Electro-optics (ICALEO-2009), November 2-5, 2009, Walt Disney World Resort, Orlondo, FL, USA.

S. Raja Kiran , B.K. Gandhi, D.K. Dwivedi, C P Paul , L.M. Kukreja, “Erosive Wear Behaviour of Laser Cladded Surfaces Of Ni & Co Based Alloys”, Proc. International Conference on Advances in Mechanical Engineering (ICAME 2009), 3-5 August 2009, SardarVallabhbhai National Institute of Technology, Surat, India.

C P Paul, P Bhargava, P Ganesh, S K Mishra, C H Premsingh and L M Kukreja, “Fabrication of Porous Structures for Bio-medical Applications using Laser Rapid Manufacturing”, Proc. International Conference on Processing and Fabrication of Advanced Materials -PFAM XVII, December 15 – 17, India Habitat Center, New Delhi, India, AC-080 (2008) pp 784-793.

P Ganesh, V Karthik, R Kaul, C P Paul, P Tiwari, S K Mishra, C H Prem Singh, T Reghu, S SSheth, K V Kasiviswanathan, R C Prasad and L M Kukreja, “Fabrication of Multi-material Components by Laser Rapid Manufacturing and their Characterization”, Proc. International Conference on Processing and Fabrication of Advanced Materials -PFAM XVII, December 15 – 17, India Habitat Center, New Delhi, India, AC-127 (2008) pp 97-108.

P Ganesh, A Moitra, PragyaTiwari, S Satyanarayanan, Harish Kumar, C H Premsingh, RakeshKaul, C P Paul, R C Prasad and L M Kukreja, “Rotating Bending Fatigue and Impact Toughness characterization of laser clad composite made of Stellite 21 and AISI 316L stainless”, Proc. International Conference on Processing and Fabrication of Advanced Materials–PFAM XVII, December 15 – 17, India Habitat Center, New Delhi, India, AC-128 (2008) pp 430-439. (Editors N. Bhatnagar and T. S. Srivatsan, Vol. I Proc. PFAM XVII, Published by I.K. International Publishing House Pvt. Ltd. New Delhi, India.)

P Ganesh, R C Prasad, G Sasikala, P Tiwari, C P Paul, C H Premsingh, S VenuGopal, T Raghu, Harish Kumar, R Kaul and L M Kukreja, “Fracture Toughness and Fatigue Crack Growth Characterization of Laser Rapid Manufactured In-625”, Proc. International Conference on Processing and Fabrication of Advanced Materials -PFAM XVII, December 15 – 17, India Habitat Center, New Delhi, India, AC-128 (2008) pp 173-180. (Editors: N. Bhatnagar and T. S. Srivatsan, Vol. I Proc. PFAM XVII, Published by I.K. International Publishing House Pvt. Ltd. New Delhi, India.)

Andrew Pinkerton, C P Paul, L M Kukreja, “Studies on direct laser deposition of porous titanium for bone tissue engineering”, 27th International Conference on Applications of Laser and Electro-optics, ICALEO-2008, October 20 – 23, Pechanga Resort, Temecula, CA, USA

C P Paul, M Iravani, A Khajepour, S Corbin, “In-situ synthesis of TiC particles in Fe matrix using laser cladding”, 26th International Conference on Applications of Laser and Electro-optics, ICALEO-2007, Walt Disney Resort, Disney World, Florida, USA

C P Paul, M Iravani, A Khajepour, S Corbin, “Automated Laser Fabrication of High Performance Saw Blades”, 26th International Conference on Applications of Laser and Electro-optics, ICALEO-2007, Walt Disney Resort, Disney World, Florida, USA

M Iravani, C P Paul, A Khajepour, S Corbin,“Delamination of deposit during Automated Laser Fabrication- a study”, 26th International Conference on Applications of Laser and Electro-optics, ICALEO-2007, Walt Disney Resort, Disney World, Florida, USA

M Iravani, C P Paul, A Khajepour, S Corbin, “Diamond reinforced metal coating using Automated Laser Fabrication”, 26th International Conference on Applications of Laser and Electro-optics, ICALEO-2007, Walt Disney Resort, Disney World, Florida, USA

A K Nath, C P Paul, P Bhargava, P Ganesh, T Raghu, “Laser Rapid manufacturing at Raja Ramanna Centre for Advanced Technology, India”, 26th International Conference on Applications of Laser and Electro-optics, ICALEO-2007, Walt Disney Resort, Disney World, Florida, USA

P.Ganesh, Sanjay Mishra, R. Kaul, P. Bhargava, C P Paul, PragyaTiwari, S M Oak and R C Prasad, “Laser Rapid Manufacturing of Bimetallic tube with Stellite-21 and austenitic stainless steel”, 10th International Conference on Advanced Materials (ICAM), Bangalore, October 8 - 13, 2007.

Masoud Alimardani, EhsanToyserkani, Christ P Paul, “Process Parameters Optimization in Multilayer Laser Solid Freeform Fabrication Process using a 3D Transient Numerical Model”, ASME International Mechanical Engineering Congress & Exposition - Chicago, IL, USA . November 5-10, 2007.

Masoud Alimardani, Christ P Paul, EhsanToyserkani, “Effects of Thermal and Stress fields on Microstructure of a Thin Wall Using Laser SolidFreeform Fabrication Process”, ASME International Mechanical Engineering Congress & Exposition - Chicago, IL, USA . November 5-10, 2007.

C P Paul, Amir Khajepour, Steve Corbin, “Fabrication and Characteristics of low-cost cemented carbide tools using ALFa”, Fourth International WLT-Conference on Lasers in Manufacturing 2007, Munich, June 2007.

C P Paul, M. Alimardani, A Khajepour, “Effect of rastering pattern on delamination behaviour during Automated Laser Fabrication”, Fourth International WLT-Conference on Lasers in Manufacturing 2007, Munich, June 2007.

C P Paul, HamidrezaAlemohammad, EhsanToyserkani, Amir Khajepour and Stephen Corbin, “Repair of Cemented Carbide Tools using Laser Cladding”, 25th International Conference on Applications of Laser and Electro-optics, ICALEO-2006, Hilton Resort, Scottdale, Arizona, USA

S Kumar, S Roy, C P Paul & A K Nath, “Blown Powder Laser Cladding Process : A Three Dimensional Heat Transfer Model With Experimental Comparisons”, Proc. 1st International & 22nd All India Manufacturing Technology Design & Research Conference (22nd AIMTDR), pp.1003-1008,,21– 23 December 2006, IIT Roorkee, INDIA,

G R Desale, C P Paul, B K Gandhi, S C Jain, A K Nath, “Parametric dependence of CO2 laser cladding of Nickel base hard facing alloy on stainless steel”, International Conference in Industrial Tribology (ICIT-2006), Nov. 30th to Dec. 2nd, Indian Institute of Sciences, Bangalore, INDIA

Ayukt Kumar Pathak, C P Paul, A K Nath, “Electronic Measurement of Wire Feed Rate for Laser Cladding”, National Laser Symposium-2006, RRCAT, Indore, INDIA.

A K Nath, C P Paul, B T Rao, R Kaul, J DuttaMazumdar, R K Dayal, U KamachiMudali, D Sastikumar, B K Gandhi, “High power CO2 lasers and their material processing applications at Centre for Advanced Technology, India”, International Conference on Lasers, Applications and Technologies 2005: High Power Lasers and Applications, Proc. SPIE (2006) Vol.6053.

R Kaul, P Ganesh, C P Paul, S K Albert, U KamachiMudali, A K Nath, “Some recent studies on laser cladding and dissimilar welding”, International Conference on Lasers, Applications and Technologies 2005: High Power Lasers and Applications, Proc. SPIE (2006) Vol.6053.

Amit Jain, C P Paul, P Ganesh, RakeshKaul, A K Nath, NavneetArora and J Negi, “Fabrication Of Colmonoy-6 Bushes Using Laser Rapid Manufacturing And Their Characterization”, IIW International Congress-2005, 16th-19th February, 2005, Mumbai,

C P Paul, P Bhargava, P Ganesh, R Kaul, A K Nath And J Negi, “Fabrication Of Engineering Components Using Laser Sintering For Rapid Manufacturing”, IIW International Congress-2005, 16th-19th February, 2005, Mumbai, INDIA

C P Paul, Sanjay Mishra, M O Ittoop, P Bhargava, J Negi and A K Nath, "Development Of A Volumetric Powder Feeder For Laser Rapid Manufacturing", National Laser Symposium-2005, BARC Mumbai, INDIA

C P Paul, P Bhargava, TReghu, S SSheth, H Kumar, J Negi and A K Nath, “Laser Rapid Manufacturing Using High Power CO2 Lasers at CAT”, International Symposium on Rapid prototyping & tooling, June 6-7, 2003, HAL Convention Centre, Bangalore.

R. Kaul, P. Ganesh, S. K. Albert, N. P. Lalla, A.Gupta, H. Kumar, O. P. Joshi, C P Pauland PankajBhargava, “Laser Hard-Facing Of Austenitic Stainless Steel With Colmonoy-6”, Proc. Int. Conf.On advances in surface treatment : Research and Applications (ASTRA)- November 2003. Hyderabad.

Christ P. Paul, P Bhargava,JayantNegi and A K Nath, “Laser Rapid Manufacturing Using Co-Axial Powder Feeding System”, XIII National Conference of Indian Society of Mechanical Engineers, Dec.30-31, 2003, IIT Roorkee, Paper No. PE-071.

P Bhargava, Christ P. Paul and A K Nath, “A Five Axis Manipulator For Laser Material Processing”, Paper No. PE-068, ibid.

Ambrish Yadav, NavneetArora, Bhupendra Gandhi, Christ P. Paul, A K Nath, “SS316L Powder Cladding On Structural Steel Using Continuous Wave CO2 Laser”, Paper No. PE-063, ibid.

C P Paul, T Raghu, P Bhargava, M O Ittoop, V Mandloi, D DSaha and A K Nath, “20 kW CW CO2 laser system – an indigenous development”, DAE-BRNS Symposium on Applications of Plasmas, Lasers and Electron Beams in Advanced Materials Processing (PBAMP-2002), BARC Mumbai INDIA. 25-28 Sep 2002, Best paper Award.

C P Paul, R Kaul, P Ganesh, P Tiwari, J Negi and A K Nath, “Rapid Manufacturing by laser cladding”, National Welding Seminar (NWS-2002), Kolkata, December 19-21, 2002.

T Raghu, C P Paul, M O Ittoop, P Choudhary, A K Nath, “ A multikilowatt transverse flow CW CO2 laser excited by a programmable power supply for laser material processing applications”, 3rd Asian Pacific Laser Symposium , Osaka, Japan, Sep., 17-20, 2002

C P Paul, H Kumar, S Thakur, A K Nath, “Development of mechanically vibrated gas assisted powder feeder for laser cladding”, National Laser Symposium - 1997 (NLS-97) , PRL, Ahmedabad, Dec., 10-12, 1997.

A K Nath, K Venugopal, C P Paul, H. Kumar, “Laser cladding studies on Ni-base Superalloy” National Laser Symposium - 1997 (NLS-97) , PRL, Ahmedabad, Dec., 10-12, 1997,