Publications

Sunil Kumar, A Method for Fabricating Tailored Blank using Continuous Groove Rolling (CGR) Process, IP Application no. 202521013559 (Filed) 

Sunil Kumar, K. Hariharan, D. Ravi Kumar, Surjit Kumar Paul, “Accounting Bauschinger effect in the numerical simulation of constrained groove pressing process”, Journal of Manufacturing Processes, vol. 38, pp. 49—62, 2019. Impact factor - 5.684

Sunil Kumar, S. Venkatachalam, K. Hariharan, D. Ravi Kumar, H. S. N. Murthy, “Influence of inhomogeneous deformation on tensile behavior of sheets processed through constrained groove pressing”, ASME-Journal of Engineering Materials and Technology, vol. 141(4), pp. 041007, 2019. Impact factor - 1.626

Sunil Kumar, K. Hariharan, D. Ravi Kumar, “Hybrid optimization of die design in constrained groove pressing”, Materials and Manufacturing processes, vol. 35(6), pp. 687--699, 2020. Impact factor - 4.783

Sunil Kumar, “Evaluation of strain hardening during uniaxial tensile loading followed by stress relaxation and reloading”, Metallurgical and Materials Transactions A, vol. 53, pp. 1336--1344, 2022. Impact factor-2.726

Vikram Balaji, Sunil Kumar, K. Hariharan, D Ravi Kumar, Myoung-Gyu Lee, Frédéric Barlat, “Transient stress relaxation test to reduce the uncertainty of identifying material constants in dislocation density model”, Metallurgical and Materials Transactions A, vol. 53, pp. 1969–1990, 2022. Impact factor-2.726

Onkar Mestry, Sushant Patil, Niranjan Padwale, Abhijeet Mulik, Sunil Kumar, Suhas Deshmukh, Ramakant Shrivastava, “Investigation into tribological performance of corn cob ash reinforced epoxy composites using RSM based TLBO algorithm”, Materials Today Proceedings, vol. 60, pp. 2076--2083, 2022. Impact factor-1.46

Sunil Kumar, “Developing methods of constrained groove pressing technique: A review”, IMechE Part-L: Journal of Materials: Design and Applications, 2022. Impact factor-2.663

Sunil Kumar, “Re-examination and comparison of activation volume, strain rate sensitivity and dislocation density for coarse grain and CGP-processed UFG materials”, IMechE Part-L: Journal of Materials: Design and Applications, 2023. Impact factor-2.663

Sunil Kumar, “Anisotropy and plastic instability on imperfect CGP processed sheet”, Available online, Transactions of the Indian Institute of Metals. 

Sunil Kumar, K. Hariharan, D. Ravi Kumar, Numerical study of constrained groove pressing to produce nano-structured metallic materials, Strain, vol. 300, pp. 148, 10th Copen conference (December 6-9, 2017), IIT madras, India.

Sunil Kumar, K. Hariharan, D. Ravi Kumar, Influence of die design in constrained groove pressing using finite element simulation, Computer Methods in Material Science, 26th KomPlasTech conference (13-16 January, 2019) Zakopane, Poland.

Kandarp Changela, Sunil Kumar, K. Hariharan, D. Ravi Kumar, Aging behavior of ultra‐fine grained AA 6061 alloy subjected to constrained groove pressing followed by cold rolling, IOP conference series: Materials Science and Engineering, 651, 012069, 38th IDDRG conference (3-7 June, 2019) Enschede, The Netherlands. 

Sunil Kumar, Strength enhancement and uniform strain distribution through cross route-constrained groove pressing, IOP conference series: Materials Science and Engineering, 1284, 012035, 42nd IDDRG conference (19-22 June, 2023) Lulea, Sweden.