Experties
High-Entropy Alloys: design and development of Refractory and Lightweight Alloys.
High-Temperature Materials: thermodynamic stability, phase formation, and degradation mechanisms.
Oxidation Behavior: kinetics, protective scale formation, and stability of alloys.
Creep and Mechanical Properties: steady-state creep, nano-mechanical response, and long-term structural integrity.
AI/ML-Assisted Alloy Design: neural networks, regression models, and data-driven prediction of alloy properties.
Current affiliation: Assistant Professor at Department of Materials Science and Engineering, Ajou University, Suwon, South Korea
sheetal@ajou.ac.kr
"The understanding of Research isn't the knowledge you gather in your head. It's the masterships you gain about how to acquire and serve the nation for their betterment."
Academic Experience
Assistant Professor at Ajou University, Republic of Korea.
Post-doctoral position at Ajou University, Republic of Korea.
Worked in Christian College of Engineering & Technology (CCET) Bhilai for 4 years as an Assistant Professor (workshop superintendent) (2014-2017).
Program coordinator of CCET for MMKVY (Mukhaya Mantri Kaushal Vikash Yojna) training program, which is also known as the vocational Training Programme (VTP).
1-year teaching in industry as NDT engineer at Alphard Maritime PVT Ltd .(2013-2014).
5 years in the Indian Army as a Technical Assistant.
Industrial experience
Sr. Quality Control Engineer- M2 (1 year) SEW Infrastructure Ltd Hyderabad (2012-2013)
Inspections of welding joints and quality at site.
Investigation of NDT techniques and coordinate third party inspection at site.
NDT ENGINEER (1 year) Alphard Maritime Pvt Ltd. (offshore shipping industry) Andheri Mumbai (2011-2012)
Testing of hull thickness by ultrasonic thickness machine (cyguns2) using nondestructive testing methods.
I am also responsible for the thickness measurement report and overhaul hull supervision of ship in India and china dry dock.
Also, work with jagson international in their RIG deep-sea fortune agreement with ONGC for crud oil production.
Technical Assistant (5 Years) In Indian Army (2003 to 2008)
I was involved in the maintenance of FIELD GUNS and small ARMS.
Security and defense procedure in any system.
Education
Ph.D. (Metallurgy Engineering and Material Science) from the Indian Institute of Technology Indore (MP) with 8.00 CGPA (2017-2021).
M.Tech (Specialization in Advance Production System) from Vindhya Institute of Technology – SATNA (MP) affiliated to RAJEEV GANDHI PRYODIKI VISHVA VIDYALAYA (RGPV), Bhopal. ( 8.2 CGPI )
In 2011 passed in BE (Specialization in MECHANICAL Engg.) from Chhattisgarh Institute of Technology – RAJNADGAON(CG) affiliated to Chhattisgarh Swami Vivekananda Technical University (CSVTU)-Bhilai (CG). (honors 75.1%)
DIPLOMA IN MECHANICAL Engg. From Govt. poly. Khurai (MP), Affiliated to RAJEEV GANDHI PRYODIKI VISHVA VIDYALAYA, Bhopal in the year 2002, passed with 70%.)
Diploma in Process Piping Design & Engineering per ASME B31.3 from the Institute of Piping Engineering and Building Services, Hyderabad.
Having a certification course in NDT LEVEL II in Thickness gauging (by ultrasonic testing eqpt.)
I have a Certificate course in STCW(Standard of training, certification, and watchkeeping) from yak institute CBD Belapur.
Also done the course of HUET (helicopter underwater escaping technique )
Publications
Mohan, M., Awasthi, A., Kosame, S., Oh, S., Josline, M.J., Choudhary, M., Jain, R., Dewangan, S.K., Sang, B.I., Jeon, Y., Lee, J.H., & Ahn, B. (2025). Microstructural insights into the crystallinity and dispersion of copper oxide functionalized carbon nanofibers in paraffin composites for numerically simulated shell-and-tube thermal energy storage. Applied Thermal Engineering, 128651.
Dewangan, S. K. (2025). Review of Health Hazards in High-Entropy Alloy Processing Under Laboratory Conditions and Risk Assessment Using a Simple Risk Scoring Model. Toxics, 13(9), 777.
Lee, H., Han, D., Dewangan, S.K., Kim, J., Yoon, S., Kim, Y., Youn, G., and Ahn, B. "High-temperature isothermal oxidation behavior of the mechanically alloyed Nb–Ti–Si refractory alloy in air and N2 atmosphere." International Journal of Refractory Metals and Hard Materials (2025): 107446.
Lee, H., Dewangan, S. K., Nagarjuna, C., Youn, G., Kumar, V., & Ahn, B. (2025). Microstructure and wear performance of spark plasma-sintered AlCrFeMnNiW0.5 high-entropy alloy. International Journal of Refractory Metals and Hard Materials, 107413. (+ equal authorship)
Jain, R., Jain, S., Dewangan, S. K., Samal, S., Lee, H., Song, E., ... & Ahn, B. (2025). Prediction of alloying element effects on the mechanical behavior of high-pressure die-cast Mg-based alloys. Journal of Magnesium and Alloys.
Nagarjuna, C., Lee, H., Dewangan, S. K., Madavali, B., Sharma, A., & Ahn, B. (2025). Entropy engineering stimulates the thermoelectric performance of FeCoNiAlSix high-entropy alloys. Materials Research Bulletin, 188, 113404.
Dewangan, S. K., Nagarjuna, C., Lee, H., Song, E., Kumar, V., & Ahn, B. (2025). Oxidation behavior of powder metallurgy processed AlCrNiFeMnWx tungsten-containing high-entropy alloys at isothermal temperatures. Journal of Materials Research and Technology, 36, 3403-3411.
Nagarjuna, C., Dewangan, S. K., Lee, H., Song, E., Rao, K. R., & Ahn, B. (2025). A Review of Recent Developments in CoCrFeMnNi High-Entropy Alloys Processed by Powder Metallurgy. Journal of Powder Materials, 32(2), 145-164.
Lee, H., Dewangan, S. K., Sharma, A., & Ahn, B. (2025). Initial hydrogenation in multiphase TiFeCoNiCu high-entropy alloy for hydrogen storage. Journal of Alloys and Compounds, 1022, 179711.
Nagarjuna, C., Lee, H., Dewangan, S. K., Song, E., Mohan, M., Jain, R., ... & Ahn, B. (2025). Strengthening of Fe60Co15Ni15Cr10 medium entropy alloy via heat-treatment-induced phase transformation and TiC reinforcement. Journal of Alloys and Compounds, 1020, 179453.
Rao, K. R., Lee, H., Mohan, M., Dewangan, S. K., Nagarjuna, C., Lee, K., ... & Ahn, B. (2025). Strengthening of Austenitic Steel 316 Alloy by Incorporating ZrO 2 Particles via Mechanical Alloying and Vacuum Hot-Pressing. Korean Journal of Metals and Materials, 63(3), 186-196.
Nagarjuna, C., Dewangan, S. K., Lee, H., Mohan, M., Jain, R., Song, E., & Ahn, B. (2025). Phase stability and structural properties of heat treated FeCoNiAlSi0. 5 high-entropy alloy. Materials Today Communications, 44, 112048.
Jain, S., Jain, R., Wagri, N. K., Sikarwar, A. S., Khaire, S. J., Dewangan, S. K., ... & Ahn, B. (2025). Reducing experimental dependency: Machine-learning-based prediction of Co effects on the mechanical properties of AlCrFeNiCox high-entropy alloys. Materials Today Communications, 44, 112055.
Mohan, M., Manjunath, V., Mehdi, S. M. Z., Soni, Dewangan, S. K., Lee, H., ... & Ahn, B. (2025). Phonon-photon synergy in phase change materials through nano-engineered carbon materials for multifunctional applications. Energy Storage Materials, 104142.
Nagarjuna, C., Dewangan, S. K., Rao, K. R., Lee, H., Song, E., & Ahn, B. (2025). Effect of Processing and Heat Treatment on the Phase Kinetics, Microstructure, and Hardness Behavior of CoCrFeMnNi High Entropy Alloy. Metallurgical and Materials Transactions A, 1-14.
Nagarjuna, C., Dewangan, S. K., Sharma, A., Lee, K., Hong, S. J., & Ahn, B. (2023). Application of artificial neural network to predict the crystallite size and lattice strain of CoCrFeMnNi high entropy alloy prepared by powder metallurgy. Metals and Materials International, 29(7), 1968-1975. (+ equal authorship)
Jain, R., Jain, S., Nagarjuna, C., Samal, S., Rananavare, A. P., Dewangan, S. K., & Ahn, B. (2025). A Comprehensive Review on Hot Deformation Behavior of High-Entropy Alloys for High Temperature Applications. Metals and Materials International, 1-33.
M Mohan, MJ Josline, C Nagarjuna, SK Dewangan, VK Sharma, Optimization of synthesis parameters for copper oxide-enhanced phase change material: Balancing thermal conductivity and latent heat trade-off, Thermal Science and Engineering Progress, 103334
R Jain, S Jain, C Nagarjuna, S Samal, AP Rananavare, SK Dewangan, A Comprehensive Review on Hot Deformation Behavior of High-Entropy Alloys for High-Temperature Applications, Metals and Materials International, 1-33
C Nagarjuna, SK Dewangan, H Lee, KR Rao, GM Pillai, V Kumar, B Ahn, Understanding the role of Si alloying on the structural, mechanical, wear and high-temperature oxidation behavior of CrFeNiTiX (X= Si) high entropy alloys, Journal of Materials Research and Technology 33, 5119-5135
R Jain, S Jain, RK Pathak, Y Jain, LK Boriwal, SK Dewangan, Harnessing machine learning for predictive modeling of high entropy alloy phases, MRS Advances 9 (14), 1160-1167
R Jain, S Jain, SK Dewangan, LK Boriwal, S Samal, Machine learning-driven insights into phase prediction for high entropy alloys, Journal of Alloys and Metallurgical Systems 8, 100110
SK Dewangan, C Nagarjuna, RK Raja, M Man, Advances in Powder Metallurgy for High-Entropy Alloys, 한국분말재료학회지 31 (6), 480-492
C Nagarjuna, SK Dewangan, KR Rao, M Mohan, H Lee, E Song, B Ahn, Strengthening of mechanical and tribological properties in CrFeCuMnNi high entropy alloy through dispersion of TiO2 reinforcement via powder metallurgy processes, Ceramics International 50 (24), 53059-53072
KR Rao, M Mohan, SK Dewangan, C Nagarjuna, K Lee, B Ahn, Microstructural characterization and thermal stability of AlCrFeNiTi+ Y2O3 high-entropy alloy nanocomposites prepared by mechanical alloying, Materials Letters 372, 137018
R Jain, S Jain, SK Dewangan, L Naveen, D Patre, S Samal, V Kumar, Prediction of Hot Deformation Behavior in AlCoCrFeNi2.1 Eutectic High Entropy Alloy by Conventional and Artificial Neural Network Modeling, Transactions of the Indian National Academy of Engineering 9 (3), 709-724
SK Dewangan, N Cheenepalli, H Lee, B Ahn, Microstructure and nanoscratch behavior of spark-plasma-sintered Ti-V-Al-Nb-Hf high-entropy alloy, Journal of Materials Research and Technology 31, 3781-3789
S Jain, R Jain, S Dewangan, A Bhowmik, A Machine learning perspective on hardness prediction in multicomponent Al-Mg based lightweight alloys, Materials Letters 365, 136473
Sheetal Kumar Dewangan, R Jain, M Paswan, A Patel, S Samal, V Kumar, B Ahn, Exploring Zr Influence on Microstructure and Mechanical Property in FeCoNiCrCuZr Eutectic High-Entropy Alloys, SK Dewangan,, Metals and Materials International, 1-10
Madavali B, Nagarjuna C, Sheetal Kumar Dewangan, Ahn B, Hong SJ. Predicting the thermoelectric figure of merit in p-type BiSbTe-based alloys using artificial neural network modeling. Materials Today Communications. 2024 May 30:109396.
Sheetal Kumar Dewangan, Jain R, Paswan M, Patel A, Samal S, Kumar V, Ahn B. Exploring Zr Influence on Microstructure and Mechanical Property in FeCoNiCrCuZr Eutectic High-Entropy Alloys. Metals and Materials International. 2024 Jun 6:1-0.
Jain, Sandeep, Reliance Jain, Sheetal Kumar Dewangan, and Ayan Bhowmik. "A Machine learning perspective on hardness prediction in advanced multicomponent Al-Mg based lightweight alloys." Materials Letters (2024): 136473.
Sheetal Kumar Dewangan, et al. " Enhancing the prediction of flow stress of CoCrFeNiV high-entropy alloy with conventional and machine-learning techniques." Journal of Materials Research and Technology (2024) (Accepted)
Nagarjuna, C., Sheetal Kumar Dewangan ., Lee, H., Madavali, B., & Ahn, B. (2024). Effect of Si alloying on the structural, thermal expansion, and magnetic properties of FeCoNiAlSix high-entropy alloys. Journal of Materials Science, 1-12.
Sheetal Kumar Dewangan, et al. "XPS study on passivation behavior of naturally formed oxide on AlFeCuCrMg1. 5 high-entropy alloy." Chemical Physics Letters (2024): 141171.
Mohan, Man, Sheetal Kumar Dewangan. "Experimental Investigation and Artificial Neural Network-Based Prediction of Thermal Conductivity of Metal Oxide-Enhanced Organic Phase-Change Materials." International Journal of Energy Research (2024).
Sheetal Kumar Dewangan , Kumar, D., Kumar, V., & Ahn, B. (2024). Surface oxidation behavior of spark plasma sintered AlCrCuFeMnWx high entropy alloys at an elevated isothermal temperature. International Journal of Refractory Metals and Hard Materials, 119, 106531 (2024).
Jain, R., Jain, Sheetal Kumar Dewangan , S.K. et al. Prediction of Hot Deformation Behavior in AlCoCrFeNi2.1 Eutectic High Entropy Alloy by Conventional and Artificial Neural Network Modeling. Trans Indian Natl. Acad. Eng. (2023). https://doi.org/10.1007/s41403-023-00439-2
Sheetal Kumar Dewangan, Nagarjuna, C., Lee, H., & Ahn, B. (2023). Understanding the sintering behavior of AlCrFeNiTi high entropy alloy via phase field modeling illustration. Science of Sintering, (00), 54-54.
Sheetal Kumar Dewangan, Cheenepalli Nagarjuna, Reliance Jain, Rameshwar L. Kumawat, Vinod Kumar, Ashutosh Sharma, and Byungmin Ahn. "Review on applications of artificial neural networks to develop high entropy alloys: A state-of-the-art technique." Materials Today Communications (2023): 107298.
Sheetal Kumar Dewangan , O Maulik, D Kumar, S Kumar, V Kumar, B Ahn, Impact of heat treatment on spark plasma sintered magnesium-containing lightweight AlFeCuCrMg high entropy alloy, Journal of Materials Research and Technology 26, 383-394 (2023)
Sheetal Kumar Dewangan, A Sharma, H Lee, V Kumar, B Ahn, Prediction of nanoindentation creep behavior of tungsten-containing high entropy alloys using artificial neural network trained with Levenberg–Marquardt algorithm, Journal of Alloys and Compounds 958, 170359 (2023)
Sheetal Kumar Dewangan, C Nagarjuna, H Lee, A Sharma, B AhnSurface morphology transformation and densification behaviour of conventionally sintered AlFeCoNiSi high entropy alloys, Powder Metallurgy, 1-12 (2023)
KR Rao, Sheetal Kumar Dewangan , AH Seikh, SK Sinha, B Ahn, Microstructure and Mechanical Characteristics of AlCoCrFeNi-Based ODS High-Entropy Alloys Consolidated by Vacuum Hot Pressing, Metals and Materials International, 1-9 (2023)
C Nagarjuna, Sheetal Kumar Dewangan , H Lee, B Ahn, Evolution of phase stability and structural properties in CrFeNiTiV high-entropy alloy under high-temperature heat treatment conditions, Materials Science and Engineering: A, 145680 (2023)
N Cheenepalli, Sheetal Kumar Dewangan, H Lee, K Lee, B Ahn, Exploring the mechanical and tribological properties of AlCrFeNiTi high-entropy alloy fabricated by mechanical alloying and spark plasma sintering, Vacuum, 112611 (2023)
C Nagarjuna, Sheetal Kumar Dewangan, K Lee, B Ahn, Mechanical and thermal expansion behaviour of TiC-reinforced CoCrFeMnNi high entropy alloy prepared by mechanical alloying and spark plasma sintering, Powder Metallurgy, 1-10 (2023)
Sheetal KumarDewangana†, Devesh Kumar†, Ashutosh Sharmaa, Byungmin Ahn, Vinod Kumar, Enhancing the oxidation resistance of nanocrystalline high-entropy AlCuCrFeMn alloys by the addition of tungsten, Journal of Materials Research and Technology, Volume 21, November–December 2022, Pages 4960-4968.
Sheetal Kumar Dewangan, Annaddev Mangish, Sunny Kumar, Ashutosh Sharma, Byungmin Ahn, Vinod Kumar, A review on high-temperature applicability: A milestone for High Entropy Alloys, Engineering Science and Technology, an International Journal (JESTECH), 2022
Sheetal Kumar Dewangan, Vinod Kumar, Heat treatment and processing route consequences on the microstructure and hardness behavior of tungsten-containing High-Entropy Alloys.July 2022Journal of Alloys and Compounds 923:166167
Sheetal Kumar Dewangan, Man Mohan, Ashutosh Sharma, Vinod Kumar, B. Ahn, A comprehensive review of the prospects for future hydrogen storage in materials - Application and outstanding issues, International Journal of Energy Research
Sheetal Kumar Dewangan, V. Kumar, Application of artificial neural network for prediction of the high-temperature oxidation behavior of AlCrFeMnNiWx (X = 0, 0.05, 0.1, 0.5) high entropy alloys, International Journal of Refractory Metals and Hard Materials. (2022) 105777. https://doi.org/10.1016/J.IJRMHM.2022.105777 [SCI, IF: 3.87]
R. Jain, Sheetal Kumar Dewangan, Priyanka U. Vinod K, and K. Sumanta, Microstructure Evolution and an ANN Approach for Microhardness Prediction of Suction Cast FeCoNiCrMnVNb Eutectic High-Entropy Alloys, Trans. Indian Inst. Met., Springer India, 2021, doi:10.1007/s12666-021-02335-1. [SCI, IF: 1.49]
Sheetal Kumar Dewangan, S. Samal, and V. Kumar, “Development of an ANN-Based Generalized Model for Hardness Prediction of SPSed AlCoCrCuFeMnNiW Containing High Entropy Alloys,” Mater. Today Commun. 27, 102356 (Elsevier Ltd, 2021). ” [SCI, IF: 3.38]
Sheetal Kumar Dewangan, D. Kumar, S. Samal, and V. Kumar, Microstructure and Mechanical Properties of Nanocrystalline AlCrFeMnNiWx (x = 0, 0.05, 0.1, 0.5) High-Entropy Alloys Prepared by Powder Metallurgy Route, J. Mater. Eng. Perform., 2021, doi:10.1007/s11665-021-05552-3.[SCI, IF: 1.84]
Reliance Jain+, Sheetal Kumar Dewangan+, Sumanta Samal, Vinod Kumar, Artificial neural network approach for microhardness prediction of eight components FeCoNiCrMnVAlNb eutectic high entropy alloys. Material Science & Engineering A, 2020, 140059, ISSN 0921-5093, https://doi.org/10.1016/j.msea.2020.140059.[ SCI, IF: 5.2](+ equal authorship)
Sheetal Kumar Dewangan, Sumanta Samal, Vinod Kumar “Microstructure exploration and an artificial neural network approach for hardness prediction in AlCrFeMnNiWx High-Entropy Alloys’’ Journal of Alloys and Compounds, Volume 823,2020,153766, ISSN 0925-8388,https://doi.org/10.1016/j.jallcom.2020.153766. [ SCI, IF: 5.13]
Sheetal Kumar Dewangan, Vinod Kumar Sharma, Priyanka Sahu, Vinod Kumar “Synthesis and characterization of hydrogenated novel AlCrFeMnNiW high entropy alloy”, International Journal of Hydrogen Energy [Aug, 2019], https://doi.org/10.1016/j.ijhydene.2019.08.113 [SCI, IF: 5.81]
Priyanka Sahu; S. Solanki; Sheetal Kumar Dewangan; Vinod Kumar, Microstructure and Magnetic behavior of FeCoNi (Mn-Si)x(x= 0.5,0.75,1.0) High Entropy Alloys, Journal of Materials Research, vol. 34, pp. 829-840, 2019. [SCI, IF: 1.92]
Ornov Maulik, Devesh Kumar, Saurav Kumar, Sheetal Kumar Dewangan, and Vinod Kumar, "Structure and Properties of Lightweight High Entropy Alloys: A Brief Review". Materials Research Express, Feb. 2018, 5, 052001. DOI: 10.1088/2053-1591/aabbca. [SCI, IF: 1.82]
Publications of 2023
Publications of 2024