1. Sathiesh Kumar N, Paranthaman P, Gopal PM, and Ragupathi P. "Emission evaluation on 3-hole and 4-hole nozzle diesel engine with Jatropha and Pongamia (Karanja) mixed bio oil." Sustainable Environment Research 29, no. 1 (2019): 13. (SPRINGER).
2. Karthik, S., K. Soorya Prakash, P. M. Gopal, and Sathiskumar Jothi. "Influence of materials and machining parameters on WEDM of Al/AlCoCrFeNiMo0. 5 MMC." Materials and Manufacturing Processes 34, no. 7 (2019): 759-768. (Taylor and Francis) (IF: 2.274).
3. Prasanna, R., P. M. Gopal, M. Uthayakumar, and S. Aravind. "Multicriteria Optimization of Machining Parameters in WEDM of Titanium Alloy 6242." In Advances in Manufacturing Technology, pp. 65-75. Springer, Singapore, 2019.
4. Paranthaman, P., P. M. Gopal, and N. Sathiesh Kumar. "Characterization of Economical Aluminium MMC Reinforced with Weld Slag Particles." In Advances in Manufacturing Technology, pp. 9-16. Springer, Singapore, 2019.
5. Gopal, P. M., K, Soorya Prakash, "Wire Electric Discharge Machining of Silica Rich E-waste CRT and BN Reinforced Hybrid Magnesium MMC." Silicon (2018): 1-12. (SPRINGER) (IF: 0.829).
6. Daniel, S. Ajith Arul, M. Sakthivel, P. M. Gopal, and S. Sudhagar. "Study on Tribological Behaviour of Al/SiC/MoS2 Hybrid Metal Matrix Composites in High Temperature Environmental Condition." Silicon (2018): 1-11. (SPRINGER) (IF: 0.829).
7. Gopal, P. M., and K. Soorya Prakash. "Minimization of cutting force, temperature and surface roughness through GRA, TOPSIS and Taguchi techniques in end milling of Mg hybrid MMC." Measurement 116 (2018): 178-192. (ELSEVIER) (IF: 2.359).
8. Prakash, K. S., P. M. Gopal, and V. Kavimani. "Effect of rock dust, cenosphere and E-waste glass addition on mechanical, wear and machinability behaviour of Al 6061 hybrid composites." Indian Journal of Engineering & Materials Sciences (2017). (NISCAIR - CSIR) (IF: 0.485).
9. Gopal, P. M., Prakash, K. S., Nagaraja, S, and Aravinth N.K. "Effect of weight fraction and particle size of CRT glass on the tribological behaviour of Mg-CRT-BN hybrid composites." Tribology International 116 (2017): 338-350. (ELSEVIER) (IF: 2.903).
10. K, Soorya Prakash, Vijayananth, K., Thankachan, T., and Gopal, P. M. "Investigations on mechanical and machinability behavior of aluminum/flyash cenosphere/Gr hybrid composites processed through compocasting." Journal of Applied Research and Technology 15.5 (2017): 430-441. (ELSEVIER) (SNIP: 0.81).
11. Gopal, P. M., K. Soorya Prakash, and S. Jayaraj. "WEDM of Mg/CRT/BN composites: Effect of materials and machining parameters." Materials and Manufacturing Processes 33.1 (2018): 77-84. (Taylor and Francis) (IF: 2.274).
12. Sathiyamoorthy, R., Prakash, K. S., Sathishkumar, C., and Gopal, P. M. "Investigation on SiCf/SiC Composites with SiBN Interface Processed through Chemical Vapor Infiltration." Materials Today: Proceedings 3.10 (2016): 4220-4225. (ELSEVIER).
13. Prakash, K. S., Gopal, P. M., Anburose, D., & Kavimani, V. "Mechanical, corrosion and wear characteristics of powder metallurgy processed Ti-6Al-4V/B4C metal matrix composites." Ain Shams Engineering Journal (2016). (ELSEVIER) (SNIP: 1.027).
14. Prakash, K. S., Balasundar, P., Nagaraja, S., Gopal, P. M., & Kavimani, V. "Mechanical and wear behaviour of Mg–SiC–Gr hybrid composites." Journal of Magnesium and Alloys 4.3 (2016): 197-206. (ELSEVIER) (IF: 4.5).
15. Prakash, K. S., Moorthy, R. S., Gopal, P. M., & Kavimani, V. "Effect of reinforcement, compact pressure and hard ceramic coating on aluminium rock dust composite performance." International Journal of Refractory Metals and Hard Materials 54 (2016): 223-229. (ELSEVIER) (IF: 2.334).
16. Soorya Prakash, K., Sudhagar, S., Sakthivel, M., & Gopal, P. M. "Parameteric Optimization of Surface Roughness in End Milling of Aluminium Rock Dust Composite." Applied Mechanics and Materials. Vol. 813. (2015). (Trans Tech Publications).
17. Prakash, K. Soorya, A. Kanagaraj, and P. M. Gopal. "Dry sliding wear characterization of Al 6061/rock dust composite." Transactions of Nonferrous Metals Society of China 25.12 (2015): 3893-3903. (ELSEVIER) (IF: 1.342).