Sourav Das

Detail list of patents and publications

A. Patents (filed and granted):

1. A portable system and method for in-situ tensile testing in high pressure gaseous environment including hydrogen; S. Shukla, S. Mishra, R. Chowdhury and S. Das, Application number: 202411008299, dated 07/02/2024

2. A cold rolled bainitic steel with high strength and high elongation; S. Yadav, S. B. Singh, R. Chowdhury and S. Das; Application No. 202211044546, Published on 02/06/2023, Patent Grant Number: 557569

3. A hot-rolled continuously cooled bainitic steel composition and its method of preparation; S. Yadav, S. B. Singh, A. Haldar, S. Das; Application No. 202311031490, Published on 06/10/2023

4. An improved process to produce hot rolled dual phase (DP) steel with a mixed microstructure of about 85-90% polygonal ferrite and 10-15% martensite to deliver minimum 600 MPa; M. Mukherjee, A. R. Chintha, B. Bhattacharya, A. Haldar, S. Das and S. Kundu

5. Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel; S. Das, S. Kundu and A. Haldar, Govt. number: PCT / IN2012 / 000371, dated 28.05.2012; International publication: WO 2012 / 164579 A4, dated 06.12.2012; US publication: US 2014 / 0102600 A1, dated 17.04.2014; EU publication: EP 2714947 B1 granted on 19^th July 2017; Korean publication: KR 20140014234 A, dated 02.05.2014; Japan publication: JP 2014516388 A, dated 07.10.2014; China publication: CN 103429766 A

6. Development and design of bainitic steel with minimum 1300 MPa UTS and minimum 20% elongation through continuous cooling; S. Das, A. Lodh, S. Kundu and A. Haldar, Govt. number: 290 / KOL / 2012, dated 15. 03.2012

7. Designing fully bainitic steel with minimum 400 VHN (~1200 MPa UTS) with minimum 20% retained austenite through continuous cooling; S. Das, S. Kundu, A. Haldar; Govt. number: 736 / KOL / 2011 / Dated 30. 05. 2011

8. Development of low carbon fully pearlitic steel for wire rod application; S. Das, S. Kundu and A. Haldar; Govt. number: 226 / KOL / 2011 Dated 23. 02. 2011

9. 1000 MPa hot rolled steel sheet with high hole expandability for automotive chasis application and method of producing the same; G. Jha, A. Haldar, S. Das, T. Bhattacharyya; Govt. number: 886 / KOL / 2011 / dated 01.01.2011

B. Book / Book Chapter (* represents corresponding author):

1. Proceedings of the 3^rd International Conference on Advances in Materials Processing: Challenges and Opportunities (AMPCO 2022) held in IIT Roorkee, Editors: Abhishek Tiwari, Nikhil Dhawan, Gautam Agarwal, Sourav Das, Sumeet Mishra and Anish Karmakar, published by Springer 2023

2. “Microalloyed steel”, S. Das*, A. Karmakar and S. B. Singh, Accepted for publication in “High performance ferrous alloys”, pp. 83-112, Springer-Nature AG, 2021

3. “Bake hardening”; S. Das*, S. B. Singh and O. N. Mohanty, in Encyclopedia of Iron, Steel and Their Alloys, pp. 306-319, Taylor and Francis: New York, 2016

C. Published in different journals (* represents corresponding author):

1. Design and development of cold rolled carbide free bainitic steel through microstructural engineering, S. Yadav, A. Haldar, S. B. Singh and S. Das*, Accepted manuscript, Materials Science and Technology, 2025

2. Development of fully pearlitic microstructure in a hypoeutectoid steel, S. Yadav, A. Haldar and S. Das, Journal of Materials Engineering and Performance, DOI: https://doi.org/10.1007/s11665-024-09488-2, Vol. 34, pp. 4830-4837, 2025

3.Abrasive wear behaviour of continuously cooled carbide-free bainitic steel, A. S. Rajput and S. Das*, Wear, https://doi.org/10.1016/j.wear.2025.205951, Vol. 570, pp. 205951, 2025

4.Effect of TIG-arcing speed on the microstructure vis-à-vis mechanical behaviour of surface modified low carbon steel, S. Balbande, S. Rai, G. Agarwal and S. Das*, https://doi.org/10.1016/j.wear.2025.205924, Wear, Vol. 570, pp. 205924, 2025

5.Effect of tempering conditions on microstructure evolution and sliding wear behaviour of continuously cooled carbide-free bainitic steel, A. S. Rajput, S. P. Neog and S. Das^*, Tribology International, DOI: https://doi.org/10.1016/j.triboint.2025.110519, Vol. 204, pp. 110519, 2025

6. Tensile deformation behavior of a thermally exposed carbide free bainitic steel; S. Kishore, S. Mishra and S. Das^*, Materials Science and Technology, Accepted manuscript, DOI: https://doi.org/10.1177/02670836241273461, 2024

7.Microstructural characterization and mechanical behaviour of steel surface modified with in situ grown tantalum carbide through TIG arcing; S. Balbande, N. K. Paraye, G. Agarwal and S. Das*; Metallurgical and Materials Transactions A, DOI: 10.1007/s11661-024-07444-2, Vol. 55, pp. 2897-2912, 2024

8. Microstructure-texture-mechanical property correlation in laser-welded dual-phase and interstitial-free steel blanks, V. B. Vukum, T. Ray, A. Karmakar and S. Das*, Journal of Materials Engineering and Performance, DOI: https://doi.org/10.1007/s11665-023-07959-6, Vol. 33, 318-329, 2024

9. Origins of strength, strain hardening and fracture in B2 tailored Fe-0.8C-15 Mn-10 Al-5 Ni wt pct austenitic low density steel; S. Bhan, P. Rawat, S. Das and S. Ghosh, Metallurgical and Materials Transactions A, DOI: https://doi.org/10.1007/s11661-023-07155-0, Vol. 54, 4080-4099, 2023

10. A machine learning approach to predict the wear behaviour of steels, A. S. Rajput and S. Das*, Tribology International, DOI: https://doi.org/10.1016/j.triboint.2023.108500, Vol. 185, pp. 108500, 2023

11. Insights into the stability of retained austenite during wear, S. P. Neog, A. Lodh, A. Karmakar, A. G. Nair, A. Dasgupta, S. Das Bakshi, S. Das*, Philosophical Magazine, DOI: ttps://doi.org/10.1080/14786435.2022.2139421, Vol. 103, No. 3, 2023, 203-222

12. Quantification of shear strain development in the through thickness direction during sliding wear, S. P. Neog, A. G. Nair, A. Dasgupta, S. Das Bakshi, S. Das*, Metallurgical and Materials Transactions A, DOI: https://doi.org/10.1007/s11661-022-06901-0, Vol. 54, 2023, pp. 11-15

13. Surface modification of steel via in-situ formed tantalum carbide through TIG arcing; S. Balbande, N. K Paraye and S. Das*, Metallurgical and Materials Transactions A, DOI: https://doi.org/10.1007/s11661-022-06850-8, Vol. 54, 2023, pp. 1-5

14. Surface modification by in-situ grown TiC in bainitic matrix using TIG arcing; N. K. Paraye, A. Karmakar, P. K. Ghosh and S. Das*; Materials Science and Technology, DOI: https://doi.org/10.1080/02670836.2022.2070966, Vol. 38, Number 4, 2022, pp. 1095-1109

15.Understanding the complexities of dry sliding wear behaviour of steels; S. P. Neog, A. R. Kumar, S. Das Bakshi and S. Das^*, Materials Science and Technology, DOI: https://doi.org/10.1080/02670836.2021.1923136,Vol. 37, Number 5, 2021, pp. 504-518

16.Effect of normal loading on microstructural evolution and sliding wear behaviour of novel continuously cooled carbide free bainitic steel, S. P. Neog, S. Das Bakshi, S. Das^*,_,Tribology International, DOI: https://doi.org/10.1016/j.triboint.2020.106846, Vol. 157, 2021, 106846

17. Simulated stress induced sensitization of HAZ in multipass weld of 304LN austenitic stainless steel, N. A. Barla, P. K. Ghosh, V. Kumar, N. K. Paraye, R. Anant and S. Das, Journal of Manufacturing Processes, DOI: https://doi.org/10.1016/j.jmapro.2020.12.061, Vol. 62, 2021, pp. 784-796

18. Surface modification of AISI 8620 steel by in-situ grown TiC particle using TIG arcing, N. K. Paraye, S. P. Neog, P. K. Ghosh and S. Das*, Surface and Coatings Technology, DOI: https://doi.org/10.1016/j.surfcoat.2020.126533, Vol. 405, January 2021, 126533

19. Surface modification via in situ formation of titanium carbide in ferrous matrix through TIG arcing, N. K. Paraye, P. K. Ghosh and S. Das*, Materials Letter, DOI: https://doi.org/10.1016/j.matlet.2020.128723, Vol. 283, January 2021, 128723

20. A novel approach to synthesize surface composite by in-situ grown VC reinforcement in steel matrix via TIG arcing; N. K. Paraye, P. K. Ghosh and S. Das*, Surface and Coatings Technology, DOI: https://doi.org/10.1016/j.surfcoat.2020.126129, Vol. 399, 2020, pp, 126129

21.Microstructural evolution of novel continuously cooled carbide free bainitic steel during sliding wear, S. P. Neog, S. Das Bakshi and S. Das*, Wear, DOI: https://doi.org/10.1016/j.wear.2020.203359, Vol. 456-457, 2020, pp. 203359

22.Medium carbon fully pearlitic steel: microstructures and properties after wire drawing, S. Das*, P. Bradley and A. Haldar, Materials Science and Technology, DOI: https://doi.org/10.1080/02670836.2019.1573526, Vol. 35, 2019, pp. 585-595

23. Simulated stress induced sensitization study for HAZ of 304 LN stainless steel weld using a thermo-mechanical simulator, N. A. Barla, P. K. Ghosh, S. Das and V. Kumar, Metallurgical and Materials Transactions A, DOI: https://doi.org/10.1007/s11661-018-5082-5, Vol. 50, 2019, pp. 1283-1293

24. Surface hardening by in-situ grown composite layer on Microalloyed steel employing TIG arcing process, D. Sharma. P. K. Ghosh, S. Kumar, S. Das, R. K. Anant, Surface and Coatings Technology, DOI: https://doi.org/10.1016/j.surfcoat.2018.08.009, Vol. 352, 2018, pp. 144-158

25. Ductile ultra high strength hot stamped steel obtained by Q&P treatment, M. Krugla, R. Rana and S. Das*, Materials Science and Technology, DOI: https://doi.org/10.1080/02670836.2017.1371409, Vol. 34, No. 3, 2018, pp. 268 - 281

26. Mechanical properties of bainitic steel producible by hot rolling, R. Rana, S. Chen, A. Haldar and S. Das, Archives for Metallurgy and Materials, DOI: https://doi.org/10.1515/amm-2017-0342, Vol. 62, No. 4, 2017, pp. 2331-2338

27. Hot rolled and continuously cooled bainitic steel with good strength elongation combination, S. Das*, S. Sinha, A. Lodh, A. R. Chintha, M. Krugla and A. Haldar, Materials Science and Technology, DOI: https://doi.org/10.1080/02670836.2016.1268663, Vol. 33, No 8, 2017, pp. 1026-1037

28. Modeling the hot strength behavior of steel, A. Lodh, A. Biswas and S. Das*, Ironmaking and Steelmaking, DOI: https://doi.org/10.1179/1743281214Y.0000000230, Vol. 42, No. 4, 2015, pp. 290-301

29.Formation of fully pearlitic microstructure in medium carbon steel, S. Das* and A. Haldar, Philosophical Magazine, DOI: https://doi.org/10.1080/14786435.2014.956834, Vol. 94, No. 29, 2014, pp. 3281-3294

30.A Phenomenological Model for Bake Hardening in Minimal Carbon Steels, S. Das*, O. N. Mohanty and S. B. Singh, Philosophical Magazine, DOI: https://doi.org/10.1080/14786435.2014.906754, Vol. 94, No. 18, 2014, pp. 2046-2061

31. Continuously cooled ultrafine bainitic steel with excellent strength-elongation combination, S. Das* and A. Haldar, Metallurgical and Materials Transactions A, DOI: https://doi.org/10.1007/s11661-013-2173-1, Vol. 45, Issue 4, 2014, pp. 1844-1854

32.Development of multiphase microstructure with bainite, martensite and retained austenite in a Co-containing steel through Quenching and Partitioning (Q&P) treatment, S. Samanta, S. Das, D. Chakrabarti, I. Samajdar, S.B. Singh, A. Haldar; Metallurgical and Materials Transactions A, DOI: https://doi.org/10.1007/s11661-013-1929-y, Vol. 44, Issue 13, 2013, pp. 5653-5664

33.Design and development of precipitate strengthened advanced high strength steel for automotive application, G. Jha, S. Das*, S. Sinha, A. Lodh and A. Haldar, Materials Science and Engineering A, DOI: ,https://doi.org/10.1016/j.msea.2012.10.047, Vol. 561, 2013, pp. 394 - 402

34. Development of hot rolled steel sheet with 600 MPa UTS for automotive wheel application, G. Jha, S. Das*, A. Lodh and A. Haldar; Materials Science and Engineering A, DOI: https://doi.org/10.1016/j.msea.2012.05.070, Vol. 552, 2012, pp. 457 - 463

35.Effect of bainitic transformation on bake hardening in TRIP assisted steel, S. Das*, I. Timokhina, S. B. Singh, E. Pereloma and O. N. Mohanty, Materials Science and Engineering – A, DOI: https://doi.org/10.1016/j.msea.2011.11.097, Vol. 534, 2012, pp. 485 - 494

36.Development of continuously cooled high strength bainitic steel through microstructural engineering at Tata Steel, S. Das*, S. Kundu and A. Haldar, Materials Science Forum, Vol. 702-703, 2012, pp. 939 – 942

37.Effect of free carbon and aging condition on bake hardening, S. Das*, S. B. Singh and O. N. Mohanty, Ironmaking and Steelmaking, Vol. 38, No. 2, 2011, pp. 139 – 143

38.Development and characterization of C-Mn-Al-Si-Nb TRIP aided steel; T. Bhattacharyya, S. B. Singh, S. Das, A. Haldar and D. Bhattacharya, Materials Science and Engineering A, Vol. 528, 2011, pp. 2394 - 2400

39. Understanding the complexities of bake hardening, S. Das, S. B. Singh, O. N. Mohanty and H. K. D. H. Bhadeshia; Materials Science and Technology, Vol. 24, No. 1, 2008, pp. 107 – 111

D. Key note / Invited / Plenary presentations in different conferences:

1. Estimating the extent of retained austenite in sub-surface region after wear, S. P. Neog and S. Das, an invited presentation in 5^th Indo-Austrian Symposium on Materials Engineering, held in IIT Kharagpur during 12-13^th December 2024

2.“Ultra high strength nano-structured continuously cooled bainitic steel: from concept to reality”, S. Das, invited lecture jointly organized by IGCAR-Kalpakkam and IIM-Kalpakkam Chapter on 8^th November 2019

3. “Development of 3^rd Generation Advanced High Strength Steels: A Tata Steel Approach”, S. Das, invited lecture jointly organized by CSIR-NML and IIM-Jamshedpur Chapter on 30^th December 2013

4. “Current status of Advanced High Strength Steel”, S. Das and A. Haldar, Key note lecture in the International Conference on Automotive Materials & Manufacturing 2010, organized by the Automotive Research Association of India, Pune, 6 -8 October 2010

5. “Bake hardening: An overview”, S. Das, S. B. Singh and O. N. Mohanty, Invited paper in International Conference on Interstitial Free Steel 2010, organized by Tata Steel Limited, Jamshedpur,2010

6. “New Generation Automotive Steels”, S. Das and A. Haldar, in A. K. Seal Memorial Lecture, Organised by Bengal Engineering and Science University, Howrah, 1^st September 2009

E. Contributory papers in different Conferences:

1. Some observations on dry sliding wear behaviour of carbide-free bainitic steel, S. Das, in International Materials Application and Technologies (IMAT 2023) held in Detroit, Michigan USA on 16-19^th October 2023

2.Thermodynamics of formation and microstructural characterization of continuously cooled low carbon fully pearlitic steel, S. Das and A. Haldar, in Modern Steel and Its Alloys (MS&IA 18), Warsaw University, 26-29^th June 2018

3. Electrochemical test to study the corrosion behavior of surface modified 8620 steel, N. A. Barla, N. Kumar, P.K Ghosh and S. Das, in Advances in Materials Processing: Challenges and Opportunities (AMPCO 2017), organized by IIT Roorkee, 30^th Nov – 02^nd December 2017

4. Development of continuously cooled high strength bainitic steel through microstructural engineering at Tata Steel, S. Das, S. Kundu and A. Haldar, in the proceedings of 16^th International Conference on Texture of Materials (ICOTOM), December 2011, IIT-Bombay, Mumbai, India, eds: A. Tewari, S. Suwas, D. Srivastava, I. Samajdar and A. Haldar (ISSN: 0255-5476)

5. Thermoelectric power measurements in an ultra low carbon, bake hardenable steel, S. Das, S. B. Singh and O. N. Mohanty, in International Conference on Advances in Materials and Materials Processing (ICAMMP) 2011, organized by IIT-Kharagpur, 8-10^th November, 2011

6. Evolution of microstructures and properties in a high Mn bainitic steel, N. Bhowmik, S. Das, S. K. Ghosh, P. P. Chattopadhyay and A. Haldar, in International Conference on High Mn Steels 2011, May 15-18, Seoul, Korea, 2011

7. Very low carbon pearlite, S. Das, S. Kundu and A. Haldar, Symposium on Wire-Tech 2010, held at Radison Ffort, Raichak, Kolkata, 18-20^th November 2010

8. Ultra high strength wire and wire rods, S. Das, L. Deng, P. Morris and A. Haldar, Symposium on Wire-Tech 2010, held at Radison Ffort, Raichak, Kolkata, 18-20^th November 2010

9. Kinetics of bake hardening in delta trip steel, S. Das, I. Timokhina, S. B. Sing, E. Pereloma and O. N. Mohanty, in RS Day 2009, organized by Indian Institute of Technology Kharagpur in 2009

10. Thermoelectric power study of strain aging, S. Das, S. B. Sing and O. N. Mohanty, in COMPOSIT 2006 organised by Indian Institute of Technology in 2006)

11. Thermodynamics of the system Ti-Mg-O and some investigation on the reduction of TiO₂ by Mg, S. Das and D. Ghosh, in Emerging Trends in Mineral Processing and Extractive Metallurgy (ICME 2005), organized by Regional Research Laboratory, Bhubaneswar, June 2005

TOPIC	START DATE	FIELD	DESCRIPTION	FINANCIAL OUTLAY	FUNDING AGENCY	OTHER OFFICERS
Development of nano-structured ultra high strength steel with good ductility	02 Jan 2019	Steel development		Rs. 48.64 lac	IMPRINT-MHRD	1. Prof. S. B. Singh (IIT Kharagpur) and 2. Prof. P. C. Chakraborti (Jadavpur University);
Stability of retained austenite	01 Jan 2018	Stability of retained austenite		~ Rs. 50.0 lac	DST-SERB
Wear behaviour of carbide free bainitic steel	01 Apr 2024	Steel, wear, phase transformation		Rs. 65.0 lakh	SERB