School of Minerals, Metallurgical and Materials Engineering

  • Phone : (+91)674-713-6903
  • Email : office.smmme@iitbbs.ac.in
Rama Krushna Sabat

Dr. Rama Krushna Sabat

Assistant Professor
  • Room No: 115, SMMME
  • +91 674-713-6912
  • rsabat@iitbbs.ac.in
  • School of Minerals, Metallurgical and Materials Engineering
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Mechanical testing; Virtual characterization using synthetic microstructure; Forming limit diagram; Air dispersion modelling; Visco-plastic self consistent modelling; Microstructure, texture and severe plastic deformation in light metals and alloys
1. Issue of “No increase in pollution load SPCB certificate to Paradip Refinery cum Petrochemical Complex on increase in crude oil processing (15 MMTPA + 10% max)”, IOCL, Odisha. [Completed]
2. Issue of “No increase in pollution load certificate” for the addition of Composite Cement (CC), Masonry Cement (MC) and Sulphate Resisting Portland Cement (SRPC) to the existing products – PPC, PSC and OPC – without altering the annual production capacity of 0.90 Million TPA at the Ramco Cements Limited, jajpur, Odisha, 755024. [Completed]
3. “Environmental audit of secured landfill facility at Paradip Refinery”, Paradip, Odisha. [Completed]
4. The microstructural characterization of advanced high strength steel and suggestions to improve the properties for M/S Jindal stainless limited. [Completed] 
5. Environmental assessment study for the issue of ‘No increase in pollution load’ certificate for the proposed Bitumen unit of 832 TMTPA capacity at Paradip Refinery. [Completed]
6. Request for witnessing and Authentication of Traffic cum axle load survey – M/s UMSL Ltd. JBD Road project. [Completed]
7. The microstructural characterization of advanced high strength steel for M/S Jindal stainless limited. [Ongoing]
8. Enhancing the formability of Mg alloys by microstructural engineering using CPFEM approach. [Ongoing]
9. Effect of texture and grain size on Mechanical and Corrosion properties of Mg alloys. [Ongoing]

Deformation and Mechanical working of Materials;
Materials Processing;
Mechanical properties and testing of materials;
Introduction to Materials Science;
Thermodynamics of Materials Laboratory;
Mechanical testing & working Labaratory.

1. Rajan Kushwaha
2. Milind Singh
  1. Abhigyan Ojha, R. K. Sabat, Sivaiah Bathula, Exploring the thermoelectric performance of NiFeMnAl and ZnFeVAl as novel quaternary Heusler compounds, Materials Science and Engineering B 311 (2025) 117789.
  2. Abhigyan Ojha, R. K. Sabat, Sivaiah Bathula, Low lattice thermal conductivity of novel NiVSn with 19 valence electron count contrasted to 18 of NiVAl and NiAlSb Half-Heusler compounds, Journal of Physics and Chemistry of Solids, 187 (2024) 111854.
  3. R. Kushwaha, M. Singh, J. Raiguru, S. Panda, S. K. Sahoo, R. K. Sabat, Mechanism of microstructure and texture evolutionduring hot rolling of pure Mg and Mg-0.2%Ce alloy, Philosophical magazine, (2024). https://doi.org/10.1080/14786435.2024.2415311
  4. Kotla Sairam, R. K. Sabat, S. S. Satheesh Kumar, M. P. Phaniraj, Rajesh Korla, The Role of Molybdenum on Room Temperature Tensile Behavior of Recrystallized Fe30Mn5Al1CxMo Lightweight Austenitic Steels, Trans Indian Inst Met 77(9) (2024) 2431–2437.
  5. AbhigyanOjha,  R. K. Sabat, Sivaiah Bathula, Advancement in half-Heusler thermoelectric materials and strategies to enhance the thermoelectric performance, Materials Science in Semiconductor Processing, 171 (2024) 107996.
  6. A. Ojha, R. K. Sabat, S Bathula, Thermoelectric and mechanical performance of NiTiAl Heusler compound, Vacuum, 219 (2024) 112772.
  7. R. Kushwaha, W. Muhammad, U. Ali, S. K. Sahoo, R. K. Sabat, Effect of solute concentration on microstructure evolution during static recrystallization in Mg-0.2% Ce alloy using cellular automata, Materials Today Communications, 37 (2023) 107503.
  8. S Sahoo, M. M. Mahapatra, P. R. Vundavilli, R. K. Sabat, S. Sirohi, S. Kumar, Investigation of Severe Plastic Deformation Effects on Magnesium RZ5 Alloy Sheets Using a Modified Multi-Pass Equal Channel Angular Pressing (ECAP) Technique, Materials, 16 (14) (2023) 5158.
  9. R. Jain, M. R. Rahul, P. Chakraborty, R. K. Sabat, S. Samal, N. Park, G. Phanikumar, R. Tewari, Integrated experimental and modeling approach for hot deformation behavior of Co-Cr-Fe-Ni-V high entropy alloy, Journal of Materials Research and Technology, 25 (2023) 840-854.
  10. A Ojha, R. K. Sabat, S. Bathula, Recent trends of ternary, quaternary half-Heusler thermoelectric materials and contact resistance effect on their power output efficiency, Materials Letters, 347 (2023) 134647.
  11. Sairam Kotla, R. K. Sabat, M. P. Phaniraj, Rajesh Korla, The role of molybdenum on evolution of deformation texture in the cold rolled Fe30Mn5Al1C-xMo lightweight austenitic steels, Vacuum, 212 (2023) 112244.
  12. A Ojha, R. K Sabat, AN Gandi, S Bathula, Effect of Aliovalent Doping on the Thermoelectric Performance of Double Half-Heusler Alloys, Journal of Electronic Materials, 52 (2023) 5473–5484.
  13. Rajan Kushwaha, V Choudhari, P. Dash, W. Muhammad, S. K. Sahoo, S. Gollapudi, R. K. Sabat, Mechanism of precipitation distribution in WE43 alloy, Materials Characterization, 197 (2023) 112660.
  14. R Vinjamuri, P. K. Dwivedi, R. K. Sabat, K. Dutta, M. Kumar, S. K. Sahoo, Role of crystallographic orientation on the deformation behaviour of Ti-6Al-4V alloy during low cycle fatigue, Philosophical Magazine, 103 (7) 2023 673-692.
  15. R Vinjamuri, B. D Bishoyi, R. K. Sabat, M. Kumar, S. K. Sahoo, Microstructure, Texture, and Mechanical Properties of Ti6Al4V Alloy during Uniaxial Tension at Elevated Temperatures, Journal of Materials Engineering and Performance, 32 (11) (2023) 5097-5108.
  16. D. Panda, R. Kushwaha, R. K. Sabat, S Suwas, S. K. Sahoo, Microstructure and texture evolution during grain growth of AM30 magnesium alloy, Philosophical Magazine, 102 (21) (2022) 2207-2233.
  17. R. Vinjamuri, B. D Bishoyi, R. K. Sabat, M Kumar, S. K Sahoo, Evidence of Homogeneous Microstructures in Ti6Al4V Alloy During Shear Deformation, Metallurgical and Materials Transactions A, 53 (6) (2022) 2146-2162.
  18. B. Bishoyi, R. Vinjamuri, R. K. Sabat, S. K. Patro, S. Suwas, S. K. Sahoo, Cold Drawing of Commercially Pure Titanium and Its Effect on Microstructure and Texture Evolution, Metallurgical and Materials Transactions A, 53 (5) (2022) 1845-1858.
  19. D. Panda, S. Tripathy, R. K. Sabat, S. Suwas, S. K. Sahoo, An Investigation on the Correlation Between Microstructure, Texture, and Mechanical Properties of Mg and its Alloys, Journal of Materials Engineering and Performance, 31 (11) (2022) 9183-9199.
  20. R. Jain, P. Umre, R. K. Sabat, V. Kumar, S. Samal, Constitutive and Artificial Neural Network Modeling to Predict Hot Deformation Behavior of CoFeMnNiTi Eutectic High-Entropy Alloy, Journal of Materials Engineering and Performance, 31 (10) (2022) 8124-8135.
  21. D. Panda, R. K. Sabat, S. Suwas, S. K. Sahoo, Role of temperature and precipitates on the evolution of microstructure and texture during grain growth of Mg–3Al–0.2 Ce alloy, Philosophical Magazine, 102 (12) (2022) 1091-1120.
  22. R. K. Sabat, W. Muhammad, R. K. Mishra, K. Inal, Mechanism of microstructure and texture evolution during shear loading of AA6063 alloys, Journal of Alloys and Compounds, 889 (2021) 161607.
  23. R. Jain, M. R. Rahul, P. Chakraborty, R. K. Sabat, S. Samal, G. Phanikumar, R. Tewari, Design and deformation characteristics of single-phase Co-Cr-Fe-Ni-V high entropy alloy, Journal of Alloys and Compounds, 888 (2021) 161579.
  24. J. Nandy, S. Sahoo, H. Sarangi, R. K. Sabat, Evaluation of structural and mechanical properties of high strength aluminum alloy components fabricated using laser powder bed fusion process, Journal of Laser Applications 33 (3), (2021) 032009.
  25. B. Bishoyi, R. K. Sabat, S Suwas, S. K. Sahoo, Effect of shear deformation on microstructure and texture evolution in commercially pure titanium, Philosophical Magazine, 101 (13) (2021) 1526-1548.
  26. S. Gollapudi, N. Rai, R Kushwaha, R. K. Sabat, Crystallographic texture influences on the thermal stability of nanocrystalline materials, Journal of Materials Science, 56 (18) (2021) 11154-11163.
  27. R. Jain, A. Jain, M. R. Rahul, A. Kumar, M. Dubey, R. K. Sabat, S. Samal, G. Phanikumar, Development of ultrahigh strength novel Co–Cr–Fe–Ni–Zr quasi-peritectic high entropy alloy by an integrated approach using experiment and simulation, Materialia, 14 (2020) 100896.
  28. O. Renk, P. Ghosh, R. K. Sabat, J. Eckert, R. Pippan, The role of crystallographic texture on mechanically induced grain boundary migration, Acta Materialia, 200 (2020) 404-416.
  29. Rama K. Sabat, Waqas Muhammad, Raja K. Mishra and Kaan Inal, “Effect of microstructure on fracture in age hardenable Al alloys”, Philosophical Magazine, 100 (11) 2020 1476-1498.
  30. R. Vinjamuri, B.D. Bishoyi, R. K. Sabat, M. Kumar, S.K. Sahoo, “Microstructure, texture, mean free path of dislocations and mechanical properties of Ti–6Al–4V alloy during uniaxial compression at elevated temperatures”, Materials Science and Engg. A, 776 (2020) 139042.
  31. M. K. Debta, B. D. Bishoyi, R. K. Sabat, W. Muhammad, S. K. Sahoo, “Microstructure and texture evolution during annealing of Ti–6Al–4V alloy”, Materials Science and Technology, 36 (4) 2020 417-424.
  32. Waqas Muhammad, Abhijit P. Brahme, Rama K. Sabat, Raja K. Mishra, Kaan Inal, “A criterion for ductile failure in age-hardenable aluminum alloys”,  Materials Science and Engg. A, 759 (2019) 613-623.
  33. Raja K. Mishra, Abhijit Brahme, Rama K. Sabat, Li Jin, Kaan Inal, “Twinning and texture randomization in Mg and Mg-Ce alloys”, International Journal of Plasticity, 117 (2019) 157-172.
  34. D. Panda, R. K. Sabat, S. Suwas, V. D. Hiwarkar, S. K. Sahoo, “Texture weakening in pure magnesium during grain growth”, Philosophical Magazine, 99 (11) (2019) 1362-1385.
  35. Waqas Muhammad, Rama K. Sabat, Abhijit P. Brahme, Jidong Kang, Raja K. Mishra, Babak Shalchi-Amirkhiz, Jürgen Hirsch, Kaan Inal, “Deformation banding in a precipitation hardened aluminum alloy during simple shear deformation” Scripta Materialia, 162 (2019) 300–305.
  36. R. K. Sabat, A. P. Brahme, R. K. Mishra, K. Inal, S. Suwas, Ductility enhancement in Mg-0.2%Ce Alloys, Acta Materialia, 161 (2018) 246-257.
  37. R. K. Sabat, M. V. S. S. D. S. Surya Pavan, D. S. Aakash, M. Kumar and S. K. Sahoo, “Mechanism of texture and microstructure evolution during warm rolling of Ti–6Al–4V alloy”, Philosophical Magazine, 98 (2018) 2562-2581.
  38. D. Bishoyi, R. K. Sabat and S.K. Sahoo, “Effect of Temperature on Microstructure and Texture Evolution during Uniaxial Compression of Commercially Pure Titanium”, Materials Science and Engg. A, 718 (2018) 398-411.
  39. R. K. Sabat, P.K. Samal, Muzzamil Ahamed S, “Effect of strain path on the evolution of microstructure, texture and tensile properties of WE43 alloy”, Materials Science and Engineering A, 715 (2018) 348-358.
  40. P. Bhagat Singh, R. K. Sabat, S. Kumaran, S. Suwas, “Effect of aluminum addition on the evolution of microstructure, crystallographic texture and mechanical properties of single phase hexagonal close packed Mg-Li alloys”,Journal of Materials Engineering and Performance, 27 (2018) 864-874.
  41. R. K. Sabat, S. K. Sahoo, B. D. Bishoyi, N. Bibhanshu and S. Suwas, “Improvement in mechanical properties of commercially pure titanium through reverse rolling”, Philosophical Magazine Letters, 97 (2017) 273-279.
  42. R. K. Sabat, S.K. Sahoo, D. Panda, U.K. Mohanty, S. Suwas, “Orientation dependent recrystallization mechanism during static annealing of pure magnesium”, Materials Characterization, 132 (2017) 388-396.
  43. R. K. Sabat, D. Panda and S.K. Sahoo, “Growth mechanism of extension twin variants during annealing of pure magnesium: An ‘ex situ’ electron backscattered diffraction investigation”, Materials Characterization, 126 (2017) 10-16.
  44. R. K. Sabat and S.K. Sahoo, “An ‘ex situ’ electron backscattered diffraction study of nucleation and grain growth in pure magnesium”, Materials and Design, 116 (2017) 65-76.
  45. B. D. Bishoyi, R. K. Sabat, J. Sahu, S.K. Sahoo, “Effect of temperature on microstructure and texture evolution during uniaxial tension of commercially pure titanium”, Materials Science & Engineering A 703 (2017) 399–412.
  46. S. Kandalam, R. K. Sabat, N. Bibhanshu, G.S. Avadhani, S. Kumar and S. Suwas, “Superplasticity in high temperature magnesium alloy WE43”, Materials Science and Engineering A, 687 (2017) 85-92.
  47. S. K. Sahoo, R. K. Sabat, S. Panda, S.C. Mishra and S. Suwas, “Texture and microstructure evolution of pure zinc during rolling at liquid nitrogen temperature and subsequent annealing”, Materials Characterization, 123 (2017) 218-226.
  48. J. Mishra, S. Sahni, R. K. Sabat, V. D. Hiwarkar and S. K. Sahoo, “Effect of Cross-Rolling on Microstructure, Texture and Magnetic Properties of Non- Oriented Electrical Steels” Materials Research, 20 (2017) 218-224.
  49. S. K. Sahoo, R. K. Sabat, B.D. Bishoyi, A.G.S. Anjani and S. Suwas, “Effect of strain-paths on mechanical properties of hot rolled commercially pure titanium”, Materials Letters, 180 (2016) 166-169.
  50. S. K. Sahoo, R. K. Sabat, S. Sahni and S. Suwas, “Texture and microstructure evolution of commercially pure titanium during hot rolling: Role of strain-paths”, Materials and Design, 91 (2016) 58-71.
  51. R. K. Sabat, R.K. Mishra, A.K. Sachdev and Satyam Suwas “The deciding role of texture on ductility in a Ce containing Mg alloy”, Materials Letters, 153 (2015) 158-161.
  52. S. K. Sahoo, R. K. Sabat, S. Panda, S. C. Mishra and S. Suwas, “Mechanical Property of Pure Magnesium: From Orientation Perspective Pertaining to Deviation from Basal Orientation”, Journal of Materials Engineering and Performance, 24 (6), 2346-2353.
  53. S. K. Sahoo, S. Panda, R. K. Sabat, G. Kumar, S.C. Mishra, U.K. Mohanty and S. Suwas, “Effect of pre-annealing strains on annealing texture developments in commercially pure (CP) titanium” Philosophical Magazine, 95 (2015) 1105-1124.
  54. S. Sankaranarayananan, R. K. Sabat, S. Jayalakshmi, S. Suwas, A. Almajid and M. Gupta “Nanoscale boron nitride particle addition to enhance the room temperature tensile and compressive response of pure magnesium” Journal of Composite Materials; 49 (24) (2015) 3045-3055.
  55. S. Sankaranarayanan, R. K. Sabat, S. Jayalakshmi, S. Suwas and M. Gupta “Effect of nanoscale boron carbide particle addition on the microstructural evolution and mechanical response of pure magnesium”, Materials and design, 56 (2014) 428-436.
  56. S. Sankaranarayanan, R. K. Sabat, S. Jayalakshmi, S. Suwas and M. Gupta “Microstructural evolution and mechanical properties of Mg composites containing nano-B4C hybridized micro-Ti particulates”, Materials Chemistry and Physics, 143 (2014) 1178-1190.
  57. S. Seetharaman, R. K Sabat, Jayalakshmi Subramanian, Stefan Walker, Satyam Suwas and Manoj Gupta “Using heat treatment effects and EBSD analysis to tailor microstructure of hybrid Mg nanocomposite for enhanced overall mechanical response” Materials Science and Technology; 30 (2014) 1309-1320.
  58. S. Sankaranarayanan, U. Pranav Nayak, R. K. Sabat, S. Suwas, A. Almajid, M. Gupta “Nano-Zno Particle Addition to Monolithic Magnesium for Enhanced Tensile and Compressive Response”, Journal of Alloys and Compounds 615 (2014) 211-219.
  59. S. Sankaranarayanan, R. K. Sabat, S. Jayalakshmi, S. Suwas, M. Gupta “Effect of hybridizing micron-sized Ti with nano-sized SiC on the microstructural evolution and mechanical response of Mg–5.6Ti composite”, Journals of alloys and compounds 575 (2013) 207-217.
  1. B. Bishoyi, M. K. Debta, S. K. Yadav, R. K. Sabat, S. K. Sahoo, “Simulation of Texture Evolution during Uniaxial Deformation of Commercially Pure Titanium” IOP Conf. Series: Materials Science and Engineering 338 (2018) 012038.
  2. R. K. Sabat, S. Hatwal, B. Dixit and Satyam Suwas, “Evolution of microstructure during hot deformation of pearlitic steel” Materials Science Forum, 753 (2013) 459-462.
  3. S. Sankaranarayanan, R. K. Sabat, S. Jayalakshmi, S. Suwas, M. Gupta “Role of Nanoscale Boron Carbide Particulates on the Microstructural Evolution and Tensile Response of Mg/1.5B4C Composites” Magnesium Workshop, Madrid, Spain; 5/2013.
  4. S. Sankaranarayanan, R. K. Sabat, S. Jayalakshmi, S. Suwas, M. Gupta “Process-Structure-Property Correlation of Mg-(5.6Ti+1SiC)BM Composite” Magnesium Workshop, Madrid, Spain; 5/2013.
 Degree Discipline Year School
  B.Tech Metallurgical and Materials Engineering 2009 NIT Rourkela
  PhD Materials Engineering 2015 IISc Bangalore
  1. Postdoctoral fellow; IISc Bangalore; Period: February 2015 to September 2015.
  2. Postdoctoral fellow; University of Waterloo; Period: October 2015 to December 2018.
  3. Visiting Assistant Professor; IIT Bhubaneswar; Period: December 2018 to April 2019.
  4. Assistant Professor; IIT Bhubaneswar; Period: May 2019 to continuing.
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