1. Vuppuluri, P. K. Penumakala, M. Subramanyam, S. Ganesh, R. Podicheti, AVS Siv Prasad, Mechanical response of reduced graphene oxide (rGO) reinforced epoxy adhesive joints, in Part C: Journal mechanical engineering science, 2024
2. M. Kartheek, P.K. Penumakala,S. Vincent, N.S.K. Reddy, Experimental and numerical analysis of the compression behaviour of aluminium syntactic foams reinforced with alumina hollow particles, in Engineering Structures,  300, 117144, 2024.
3. Santo, P.K. Penumakala,Influence of processing techniques on mechanical and electrical performance of PLA-graphene composite feedstock filaments, in Journal of Manufacturing Processes,  108, 513-528, 2023.
4. P. Regalla, A. Ashok, P.K. Penumakala,S. Polisetty, Strength and fracture energy dependence of additively manufactured polymer parts on build orientation, density and layer thickness, in ASME IMECE,  2023.
5. V. Sai Divya, P. K. Penumakala, A.K. Nallathambi,Prediction of porosity and hot tearing in direct chill casting of AZ31 magnesium alloy, in Transaction of Indian Institute of Metals, 76, 1509-1516, 2023. 
6. Sai Srinivasan KV, J.Santo, K. Penumakala,Effect of surface modification of printed electrodes on the performance of supercapaitors, in Journal of Energy Storage, 56, 106043, 2022
7. V. Sai Divya, P. K. Penumakala, A.K. Nallathambi,The effect of water ejection and rewetting phenomena on hot cracking sensitivity during DC casting of magnesium alloy, in Journal of Materials Engineering and Performance, 32, 5756-5771,2023. 
8. V. Sai Divya, P. K. Penumakala, A.K. Nallathambi,Analysis of hot tensile behavior and prediction of thermal stresses during processing of AZ31 magnesium alloy, in Part C: Journal mechanical engineering science, 237, 1445-1462, 2023
9. Santo, A.R. Moola, P.K. Penumakala,Interface stress transfer in an extruded ABS/rGO composite filament, in Advanced Composite Materials,  32, 211-224, 2023.
10. Nowduru, B.R. Bodapati, P.K. Penumakala,.S.R.K. Malladi, P.K. Jain, V.V.S.S. Srikanth, Carbon soot nanoparticles derived from wasted rubber: An additive in lubricating oil for efficient friction and wear reduction, in Diamond and Related Materials, 126, 109050, 2022.
11. Inturi, M.P. Hemanth, P.K. Penumakala,G.R. Sabareesh, Damage monitoring of pultruded GFRP composites using wavelet transform of vibration signals, Measurement, 195, 111177, 2022
12. R. Moola, J. Santo,  P.K. Penumakala,Multiscale analysis for predicting elastic properties of 3D printed polymer-graphene nanocomposites, in Materials Today:Proceedings, 62, 4025-4029, 2022.
13. Inturi, G.R. Sabareesh, P.K. Penumakala,Effect of multiple defects and multi-component failure on the dynamic behavior of  wind turbine gearbox, Arabian Journal for Science and Engineering, 47, 8969-8983, 2022
14. Santo, P.K. Penumakala,R.B. Adusumalli, Mechanical and electrical properties of 3D printed polylactic acid-graphene-carbon nanofiber composites, in Polymer Composites, 42, 3231-3242, 2021.
15. K. Pamidi, P.K. Penumakala,AVS Siva Prasad, Failure analysis of the patch repaired E-glass chopped fiber strand mat/epoxy composites, in Journal of the Brazilian Society of Mechanical Science and Engineering, 43, 402, 2021. 
16. Inturi, G.R. Sabareesh, K. Supradeepan, P.K. Penumakala,Principal component analysis based gear fault diagnostics in different stages of a multi-stage gearbox subjected to extensive fluctuating speeds, in ASME Journal of NDE, 4, 031005, 2021. 
17. Mehta, R. Panigrahi, P.K. Penumakala, R. B. Adusumalli, Modeling the impact behavior of a truck component (RUPD) made of composite, in Materials Today Proceedings, 44, 2261-2266, 2021.
18. Mishra, V. Inturi, S.P. Rajendra, G.R. Sabareesh, P.K. Penumakala,Effect on local gear tooth failures on gear mesh stiffness and vibration response of a single stage spur-gear pair, in Lecture Notes in Mechanical Engineering, 2021. 
19. K. Penumakala, J. Santo, A.Thomas,A critical review on fused deposition modeling of thermoplastic polymer composites, in Composites: Part B, 201,108336, 2020. SCI
20. V. Sai Divya, P. K. Penumakala, A.K. Nallathambi,Influence of secondary cooling strategies on thermal gradients in the direct chill casting of magnesium alloys, in Journal of thermal analysis and Calorimetry, 147, 203-218, 2022. SCI, 
21. Inturi, G.R. Sabareesh, P.K. Penumakala,Bearing fault severity analysis on a multistage gear box subjected to fluctuating speeds, in Experimental Techniques, 44, 541-552,2020. SCIE
22. V. Sai Divya, P. K. Penumakala, A.K.Nallathambi,Effect of wiper on thermal stresses during direct chill casting of magnesium alloy, in Materials Today Proceedings, 46, 9316-9322, 2021, Scopus.
23. K. Penumakala, A. K. Nallathambi, E. Specht, U. Urlau, D.Hamilton, C.Dykes,Feasibility study of continuous casting of steel billets in twin-belt caster, in Metallurgical and Materials Transactions B, 50, pp.42-51, 2019. SCI
24. Inturi, G.R. Sabareesh, P.K. Penumakala,Comparison of condition monitoring techniques in assessing fault severity for a wind turbine gear box under non stationary loading, in Mechanical Systems and Signal Processing, 124, pp.1-20, 2019. SCI
25. Simha, U.K. Jinaga, B.R. Charuku, P.K. Penumakala,AVS Siva Prasad,Failure analysis of AA8011-pultruded GFRP adhesively bonded similar and dissimilar joints, in International Journal of Adhesion and  Adhesives, 90, pp.97-105, 2019. SCIE
26. Inturi, G.R. Sabareesh, K. Supradeepan, P.K. Penumakala,Integrated condition monitoring scheme for bearing fault diagnosis of a wind turbine gear box, in Journal of Vibration and Control, 25, pp.1852-1865, 2019. SCIE
27. Patel, P.K. Penumakala,D.Patel, Properties of three phase magneto-electro-thermo-elastic composites, in Materials Science Forum, 969, pp.9-15, 2019. Scopus.
28. Ojha, P.K. Penumakala,G.V. Marrivada, C.P. Kiran, A.K. Gupta, Processing of glass fiber reinforced composites using graphene nanoplatelets modified epoxy, in Materials Today Proceedings, 18,3298-3304, 2019. Scopus.
29. K. Penumakala, A. K. Nallathambi, E. Specht, U. Urlau, D.Hamilton, C.Dykes,Influence of process parameters on solidification length of twin-belt continuous casting, in Applied Thermal Engineering, 134, pp. 275-286, 2018. SCIE
30. V. Sai Divya, P. K. Penumakala, J,Jaidi,Thermal stress analysis of direct chill casting of magnesium alloys, in ISHMT digital library, pp. 905-910, 2017.
31. K. Penumakala, A. K. Nallathambi, E. Specht, U. Urlau, U. Paulina, Theoretical estimation of solidification length of continuously cast metals, in Applied Thermal Engineering, 84, pp. 286-291, 2015. SCIE
32. K. Nallathambi, P.K. Penumakala, E. Specht, Review of hot tearing studies in Al alloys during direct chill casting, in LMPC Symposium, pp. 277-281, 2013. Scopus
33. K. Penumakala, A. K. Nallathambi, E. Specht, Theoretical design of continuous casting process using semi-analytical method, in LMPC Symposium, pp. 347-351, 2013. Scopus
34. K. Penumakala, A. K. Nallathambi, E. Specht, Modeling of solidification microstructure of steel in twin-belt caster, in AIST Steel properties and application proceedings, pp. 575-583, 2012. Scopus
35. Pavankumar, A. K. Nallathambi, E. Specht, A. Bertram, Mechanical behavior of mushy zone in DC casting using viscoplastic material model, in TECHNISCHE MECHANIK, 32(2),  pp. 342 – 357, 2012. Scopus
36. Pavankumar, K. Jayabal, A. Arockiarajan, A comparative study between finite element and polygonal finite element approaches for electromechanical coupled linear problems, in Integrated Ferroelectrics, 120(1),  pp. 90-101, 2010. SCIE

Conference:

1. S. Ramasamy, G. A. Kulkarni, P. K. Penumakala, A.K.Nallathambi, H. Bottcher, E.Specht, Influence of water cooling on stresses in DC casting of aluminum alloysin SWAYAM at BITS-Pilani, Goa, India, 2018.
2. V. Inturi, G. R. Sabareesh, P. K. Penumakala, T. S. B. Karthik, A comparative study of condition monitoring techniques in a wind turbine under stationary and non stationary loading conditionsin “13th International Conference on Vibration Problems, India, 2017.
3. P.K. Penumakala, G. Nanda, R. Sujith, K. Suresh, Microstructure evolution during the stir casting of a Graphene-Magnesium alloy compositein “International Symposium on Liquid metal processing and casting, LMPC 2017, U.S.A.
4. R. Shah, K. Singh, P. K. Penumakala, A. Ramesh babu, Finite element analysis of short beam shear test of CFRP laminates in “International Conference on Composite Material and Structures, Hyderabad, India, 2017.
5. P. K. Penumakala, A.K. Nallathambi, E. Specht, A. Bertram, Micro-macro heat transfer interactions during continuous casting of steels in “Proceedings of GRK1554, June 3–7, 2012, Berlin, Germany.
6. P. K. Penumakala, A.K. Nallathambi, E. Specht,Numerical study of fluid flow and heat transfer in Twin-Belt caster in “ECCOMAS Special Interest Conference, Numerical Heat Transfer 2012, September 4-6, 2012, Gliwice–Wroclaw, Poland. 
7. P. K. Penumakala, A.K. Nallathambi, E. Specht, A. Bertram,Modeling thermal stresses in continuous casting of steels in “International Conference on Computational Mechanics and Simulation, December 9–12, 2012, Hyderabad, India. 
8. P.K. Penumakala, A.K. Nallathambi, E. Specht, A. Bertram,Stress evaluation during the continuous casting of steel using a viscoplastic model in “3rd International Conference on Material Modeling, September 8-11, 2013, Warsaw, Poland.