Book Chapters :- 10

Publications in International Journals (Published/Accepted: 30)

1. O. P. Prabhakar and R. K. Sahu, “Tailoring Molecular Structure and Electromechanical Properties of Dielectric Elastomer Composites for Enhanced Energy Conversion Efficiency”, Polym. Eng. Sci., pp. 1–16, 2024, doi: 10.1016/j.optmat.2011.11.002.
2. O. P. Prabhakar and R. K. Sahu, “Concentration-Dependent Analysis of Soft Filler Dielectric Elastomer Composites: A Multi-Scale Modeling Approach” (Communicated)
3. O. P. Prabhakar and R. K. Sahu, “Impact of Electrostriction under Unequal Biaxial Deformation on the Nonlinear Dynamics of Dielectric Elastomer Actuators” (Communicated)
4. O. P. Prabhakar and R. K. Sahu, “Failure Analysis and Safe Operating Ranges in Dielectric Elastomers for Improved Electromechanical Actuation” (Communicated)
5. D. Sahu and R. K. Sahu, “Investigation to the effects of particulate-polymer fillers on the viscoelastic properties of VHB 4910 elastomer for artificial muscle”, Journal of polymer research (Accepted) (Impact Factor: 2.8)
6. D. Sahu and R. K. Sahu, “Enhanced electromechanical actuation in acrylic elastomer foam using barium titanate and Ketjenblack dispersed interpenetrated polymer”, Iranian polymer journal, (Accepted)  (Impact Factor: 3.1)
7. T. Jambhulkar and R. K. Sahu “Modelling and Optimization of Hybrid Kevlar/Glass Fabric Reinforced Polymer Composites for Low-Velocity Impact Resistant Applications” accepted in Forces in Mechanics (accepted)
8. O. P. Prabhakar and R. K. Sahu, “Effects of soft and hard fillers on electromechanical properties and performance of polydimethylsiloxane elastomer for actuator applications,” J. Appl. Polym. Sci., vol. 140, no. 38, p. 54434, Jul. 2023, doi: https://doi.org/10.1002/app.54434.  (Impact Factor: 3)
9. A. Mallick, S. G. Setti, and R. K. Sahu, “Centrifugally cast functionally graded materials: Fabrication and challenges for probable automotive cylinder liner application,” Carbohydr. Polym., 2022, doi: 10.1016/j.ceramint.2022.12.148. (Impact Factor: 5.532)
10. D. Sahu and R. K. Sahu, “Review on the role of intrinsic structure on properties of dielectric elastomers for enhanced actuation performance,” Mater. Today Commun., vol. 34, no. September 2022, p. 105178, 2023, doi: 10.1016/j.mtcomm.2022.105178. (Impact Factor: 3.662)
11. A. Gupta, O. P. Prabhakar, and R. K. Sahu, “Modified model for mechanical behavior of electroactive polymer in thermal environment,” Eur. Phys. J. Spec. Top., vol. 123, 2022, doi: 10.1140/epjs/s11734-022-00673-9. (Impact Factor: 2.707)
12. R. S. Parihar, R. K. Sahu, and S. G. Setti, “Adhesive wear performance of self-lubricating functionally graded cemented tungsten carbide prepared by spark plasma sintering,” Int. J. Refract. Met. Hard Mater., vol. 104, no. November 2021, p. 105788, 2022, doi: 10.1016/j.ijrmhm.2022.105788 (Impact Factor: 3.871)
13. M. Kumar and R. K. Sahu, “Investigation of Mechanical Properties and Optimization of Forming Parameters of Al7075- B4C-Flyash Hybrid Aluminium Matrix Composite,” Arab. J. Sci. Eng., vol. 1, no. 0123456789, pp. 18–25, 2021. (Impact Factor: 2.334)
14. D. Sahu, R. K. Sahu, and K. Patra, “In‐plane actuation performance of graphene oxide filled VHB 4910 dielectric elastomer,” J. Appl. Polym. Sci., vol. 51594, 2021. (Impact Factor: 3.125)
15. R. S. Parihar, R. K. Sahu, and S. G. Setti, “Novel design and composition optimization of self-lubricating functionally graded cemented tungsten carbide cutting tool material for dry machining,” Adv. Manuf., pp. 1–13, 2020. (Impact Factor: 2.568)
16. M. K. Sahu and R. K. Sahu, “Experimental Investigation, Modeling, and Optimization of Wear Parameters of B4C and Fly-Ash Reinforced Aluminum Hybrid Composite,” Front. Phys. 8 219, 2020. (Impact Factor: 2.638)
17. D. Sahu, R. K. Sahu, K. Patra, and J. Szpunar, “Raman spectroscopy of pre-strained VHB 4910 elastomer towards actuator application,” Vib. Spectrosc., vol. 106, p. 102994, 2020. (Impact Factor: 1.917)
18. D. Sahu, R. K. Sahu, and K. Patra, “Effects of crosslink density on the behavior of VHB 4910 dielectric elastomer,” J. Macromol. Sci. Part A, vol. 56, no. 9, pp. 821–829, 2019. (Impact Factor: 1.349)
19. R. S. Parihar, S. G. Setti, and R. K. Sahu, “Effect of sintering parameters on microstructure and mechanical properties of self-lubricating functionally graded cemented tungsten carbide,” J. Manuf. Process., vol. 45, pp. 498–508, 2019. (Impact Factor: 4.086)
20. R. S. Parihar, S. Gangi Setti, and R. K. Sahu, “Preliminary investigation on development of functionally graded cemented tungsten carbide with solid lubricant via ball milling and spark plasma sintering,” J. Compos. Mater., vol. 52, no. 10, pp. 1363–1377, 2018. (Impact Factor: 1.972)
21. M. S. Bisht, S. Majumdar, and R. K. Sahu, “Microstructural Characterization of an 800 Mpa Single Phase Ferritic Advanced High Strength Steel (AHSS),” Int. J. Appl. Eng. Res., vol. 13, no. 6, pp. 230–237, 2018.
22. M. K. Sahu and R. K. Sahu, “Optimization of stirring parameters using CFD simulations for HAMCs synthesis by stir casting process,” Trans. Indian Inst. Met., vol. 70, no. 10, pp. 2563–2570, 2017. (Impact Factor: 1.205)
23. R. S. Parihar, S. G. Setti, and R. K. Sahu, “Recent advances in the manufacturing processes of functionally graded materials: a review,” Sci. Eng. Compos. Mater., vol. 25, no. 2, pp. 309–336, 2018. (Impact Factor: 0.7)
24. R. K. Sahu and K. Patra, “Rate-dependent mechanical behavior of VHB 4910 elastomer,” Mech. Adv. Mater. Struct., vol. 23, no. 2, pp. 170–179, 2016. (Impact Factor: 3.517)
25. R. K. Sahu, A. Saini, D. Ahmad, K. Patra, and J. Szpunar, “Estimation and validation of maxwell stress of planar dielectric elastomer actuators,” J. Mech. Sci. Technol., vol. 30, no. 1, pp. 429–436, 2016. (Impact Factor: 1.345)
26. K. Patra and R. K. Sahu, “A visco-hyperelastic approach to modelling rate-dependent large deformation of a dielectric acrylic elastomer,” Int. J. Mech. Mater. Des., vol. 11, no. 1, pp. 79–90, 2015. (Impact Factor: 3.48)
27. R. K. Sahu, K. Patra, and J. Szpunar, “Experimental study and numerical modelling of creep and stress relaxation of dielectric elastomers,” Strain, vol. 51, no. 1, pp. 43–54, 2015. (Impact Factor: 1.313)
28. R. K. Sahu, B. Pramanik, K. Patra, S. Bhaumik, A. K. Pandey, and D. K. Setua, “Dissipation factor of acrylic dielectric elastomer—An experimental study,” J. Nanosci. Nanotechnol., vol. 14, no. 10, pp. 7439–7444, 2014. (Impact Factor: 1.354)
29. R. K. Sahu and K. Patra, “Characterisation of tensile behaviour of a dielectric elastomer at large deformation,” J. Inst. Eng. Ser. C, vol. 95, no. 3, pp. 207–212, 2014.
30. R. K. Sahu, S. Majumdar, and B. N. Prasad, “Forming limit diagram of high strength steel sheet (DP-590),” MIT Int J Mech Eng, vol. 1, pp. 114–118, 2011.

Publications in International Conferences (Published/accepted: 26)

1. O. P. Prabhakar, D. Sahu, and R. K. Sahu, “Maximizing Dielectric Elastomer Composite Efficiency through Multi-Criteria Decision Making and Fillers Selection,” in 2023 2nd International Conference on Computational Modelling, Simulation and Optimization (ICCMSO), 2023, pp. 159–164. doi: 10.1109/ICCMSO59960.2023.00039.
2. A. Mallick, S. Gangi Setti, and R. K. Sahu, “Centrifugally cast A356/SiC functionally graded composite: Fabrication and mechanical property assessment,” Mater. Today Proc., no. xxxx, pp. 3–8, 2021
3. O. P. Prabhakar and R. K. Sahu, “Effect of filler on anisotropic behavior of dielectric elastomer composite,” Mater. Today Proc., vol. 44, pp. 3172–3176, 2021
4. M. K. Sahu and R. K. Sahu, “Aluminum Based Hybrid Metal Matrix Composites: A Review of Selection Philosophy and Mechanical Properties for Advanced Applications,” in International Journal of Mechanical and Production Engineering Research and Development (IJMPERD), 2020, pp. 8–28.
5. M. K. Sahu and R. K. Sahu, “Synthesis, microstructure and hardness of Al 7075/B4C/Fly-ash composite using stir casting method,” Mater. Today Proc., vol. 27, pp. 2401–2406, 2020.
6. R. S. Parihar, S. G. Setti, and R. K. Sahu, “Solid Lubricant Effect on the Microstructure and Hardness of the Functionally Graded Cemented Tungsten Carbide,” in Advances in Applied Mechanical Engineering, Springer, 2020, pp. 745–751. International Conference on Applied Mechanical Engineering Research (ICAMER – 2019), NIT Warangal (India) on May 02^nd-04^th, 2019.
7. O. P. Prabhakar, D. Sahu, and R. K. Sahu, “Modified Electromechanical Model for Dielectric Elastomer Cylindrical Actuators,” in Advances in Applied Mechanical Engineering, Springer, 2020, pp. 397–404. International Conference on Applied Mechanical Engineering Research (ICAMER – 2019), NIT Warangal (India) on May 02^nd-04^th, 2019.
8. D. Sahu, O. P. Prabhakar, R. K. Sahu, and K. Patra, “Pre-strain in Dielectric Elastomer Actuator; Challenges Towards Structure--Property Relationship,” in Advances in Applied Mechanical Engineering, Springer, 2020, pp. 389–396. International Conference on Applied Mechanical Engineering Research (ICAMER – 2019), NIT Warangal (India) on May 02^nd-04^th, 2019.
9. O. P. Prabhakar, D. Sahu, and R. K. Sahu, “Effect of Relative Permittivity with Strain in Dielectric Elastomer Peristaltic Actuator,” in IOP Conference Series: Materials Science and Engineering, 2019, vol. 691, no. 1, p. 12063. 2nd International Conference on Computational & Experimental Methods in Mechanical Engineering, Greater Noida, India May 3^rd-5^th, 2019.
10. R. S. Parihar, S. G. Setti, and R. K. Sahu, “Prediction of thermal residual stresses in sigmoid functionally graded materials,” in AIP Conference Proceedings, 2019, vol. 2148, no. 1, p. 30018.
11. D. Sahu, R. K. Sahu, and K. Patra, “Effects of uniaxial and biaxial strain on molecular structure of VHB 4910 dielectric elastomer,” in AIP Conference Proceedings, 2019, vol. 2057, no. 1, p. 20032.
12. R. S. Parihar, R. K. Sahu, and G. Srinivasu, “Effect of Wire Electrical Discharge Machining on the Functionally Graded Cemented Tungsten Carbide surface integrity,” Mater. Today Proc., vol. 5, no. 14, pp. 28164–28169, 2018.
13. R. K. Sahu, S. Yadu, V. Singh, S. Raja, and K. Patra, “The effect of micro molecular parameters on the actuation performance of electro active polymers,” in ASME International Mechanical Engineering Congress and Exposition, 2017, vol. 58417, p. V006T08A027. Tampa, Florida (USA), November 3^rd-9^th, 2017
14. L. Kumar, S. Majumdar, and R. K. Sahu, “Measurement of the residual stress in hot rolled strip using strain gauge method,” in AIP Conference Proceedings, 2017, vol. 1859, no. 1, p. 20040. International Conference on Functional Materials, Characterization, Solid State Physics, Power, Thermal and Combustion Energy (FCSPTC) Eluru, Andhra Pradesh, 07^th – 08^th April 2017
15. R. S. Parihar, R. K. Sahu, and S. G. Setti, “Finite Element Modelling of Functionally Graded Cemented Tungsten Carbide Compaction with Flow Stress Estimation,” Mater. Today Proc., vol. 5, no. 2, pp. 7009–7018, 2018. International Conference on Emerging Trends in Materials and Manufacturing Engineering (IMME 2017) at NIT Trichy, 10^th-12^th March 2017.
16. Manoj Singh Bisht, S Majumdar and Raj Kumar Sahu, “Role of dislocation structure in LCF failure of 800 MPa ferritic steel strengthened with nano-precipitates”, Fatigue, Fracture and Integrity Assessment (FFIA)-2017, Jadavpur University 23^rd-24^th March 2017
17. S. Yadu, S. Raja, V. K. Singh, R. K. Sahu, K. Patra, “The effect of Monomers on the Actuation Performance of Electro Active Polymers”, 8th International Conference on Advancements in Polymeric Materials (Marching towards smart products and multifunctional Materials), IISC Bangalore, 11^th-13^th February 2017
18. R. S. Parihar, R. K. Sahu, and G. Srinivasu, “Finite element analysis of cutting forces generated in turning process using deform 3D software,” Mater. Today Proc., vol. 4, no. 8, pp. 8432–8438, 2017. International  Conference on Advancements in Aeromechanical Materials for Manufacturing (ICAAMM2016), 07^th – 09^th July 2016, MLR, Institute of Technology, Hyderabad, India.
19. Raj Kumar Sahu, Abhijeet Ranjan Keshari, Iqbal Hussain, Pulkit Jain, “Non-linear relationship between tensile property and hole expansion ratio”, Proceedings of the 17th ISME conference on Advances in Mechanical Engineering, IIT Delhi, October 3^rd-4^th, 2015.
20. Raj Kumar Sahu, K. Patra, S. Bhaumik, A. K. Pandey, D. K. Setua, “Stress-strain behaviour of dielectric elastomer for actuators”, International Conference on Mechanical Properties of Materials (ICMPM 2014) at Barcelona, Spain, December 18-20 2014.
21. R. K. Sahu, K. Sudarshan, K. Patra, and S. Bhaumik, “Evaluation of area strain response of dielectric elastomer actuator using image processing technique,” in Electroactive Polymer Actuators and Devices (EAPAD) 2014, 2014, vol. 9056, p. 90562C. at California, USA, 09^th-13^th March 2014.
22. Raj Kumar Sahu, K. Patra, S. Bhaumik, A. K. Pandey, D. K. Setua, Development of uniaxial tensile pre-straining device for the elastomeric materials, Proceedings of the 3rd International Conference on Production and Industrial Engineering (CPIE 2013), Jalandhar, India, 29-31 March, 2013.
23. Raj Kumar Sahu, Karali Patra, “Estimation of Elastic modulus of dielectric elastomer materials using Mooney-Rivlin and Ogden models”, 3^rd International Conference on Advanced Materials Research, January 19-20, 2013, Dubai, U.A.E.
24. B. Pramanik, R. K. Sahu, S. Bhaumik, K. Patra, A. K. Pandey, and D. K. Setua, “Experimental study on permittivity of acrylic dielectric elastomer,” in 2012 IEEE 10th International Conference on the Properties and Applications of Dielectric Materials, 2012, pp. 1–4. Bangalore, India, July 24^th-28^th, 2012.
25. R. K. Sahu, B. Pramanik, S. Bhaumik, K. Patra, A.K. Pandey, D.K. Setua, “Study on mechanical and dielectric behavior of VHB 4910 for sensor and actuator application,” Presented, EUROEAP Conference (Second international conference on Electromechanically Active Polymer (EAP) transducers & artificial muscles), May 29^th – 30^th 2012, Berlin, Germany.
26. Vijay Narayan, Satish Solanki, R. K. Sahu, Karali Patra, Shovan Bhaumik “Estimation of specific energy density of dielectric elastomer materials using mooney-rivlin and ogden models” International Conference on Advanced Materials, December12-16,2011, Coimbatore,India.

•  Publications in National Conferences (Published/accepted: 4)

1. Satish Solanki, R. K. Sahu, Karali Patra and Shovan Bhaumik, A Theoretical Model for Viscoelastic Behavior of Dielectric Elastomer Materials, Proceedings of the 26th Indian Engineering congress 2011 (IEC2011), pp. 142, December 15-18, 2011, Bangalore, India.
2. Vijay Narayan, R. K. Sahu, Karali Patra and Shovan Bhaumik, Specific Energy Density of Dielectric Elastomer Actuator Materials, Proceedings of the 26th Indian Engineering congress 2011 (IEC2011), pp 133, December 15-18, 2011, Bangalore, India.
3. R. K. Sahu, Munshi Imran Hossain, Karali Patra and Shovan Bhaumik, Dielectric Elastomers: Materials for Future Actuators, 10^th National Conference on Industrial Problems on Machines and Mechanisms (IPROMM–2010), December 17-18, 2010, MNIT, Jaipur (Rajsthan) ISBN: 978-81-908723-4-8.
4. R. K. Sahu, Shrabani Majumdar and B.N Prasad, “Application of Metal Forming in Manufacturing Engineering”, National Conference on Recent trends and advances in the field of eco-friendly plant machineries, automobile and material handling system, January 29-30,2011, MIT West Bengal.