Publications

Journals

• Year 2024

  1. Ellappan, S., Ahmed, A., & Rahman, M. A. (2024). Experimental investigation of extrinsic size effect in micro-orthogonal cutting of commercial aluminium alloy. Precision Engineering.

  2. Boban, J., & Ahmed, A. (2024). Electric discharge aided surface post-treatment of laser powder bed fused non-planar metallic components for enhanced form accuracy. Journal of Manufacturing Processes, 109, 564-582.

• Year 2023

  1. Boban, J., & Ahmed, A. (2023). Defect mitigation and surface enhancement of additively manufactured AlSi10Mg internal features using electro-thermal post-treatment. Materials Letters, 135267. 

  2. Abhilash, P. M., & Ahmed, A. (2023). Convolutional neural network–based classification for improving the surface quality of metal additive manufactured components. The International Journal of Advanced Manufacturing Technology, 1-13. 

  3. Abhilash, P. M., & Ahmed, A. (2023). An image-processing approach for polishing metal additive manufactured components to improve the dimensional accuracy and surface integrity. The International Journal of Advanced Manufacturing Technology, 125(7-8), 3363-3383. 

  4. Boban, J., & Ahmed, A. (2023). Finishing the surface micro-layer of additively manufactured TiAl alloy using electro-thermal discharge assisted post-processing. Journal of Micromanufacturing, 25165984231151745. 

  5. Rahman, M. A., Saleh, T., Jahan, M. P., McGarry, C., Chaudhari, A., Huang, R., ... & Shakur, M. S. (2023). Review of Intelligence for Additive and Subtractive Manufacturing: Current Status and Future Prospects. Micromachines, 14(3), 508. 

  6. Boban, J., Deshmukh, S. M., & Ahmed, A. (2023). Ultra-precision surface finishing and feature generation on metal additive manufactured components with controlled tool path design. Procedia CIRP, 119, 450-455. 

• Year 2022

  1. Rahman, M. A., Shakur, M. S., Ahamed, M. S., Hasan, S., Rashid, A. A., Islam, M. A., ... & Ahmed, A. (2022). A cloud-based cyber-physical system with industry 4.0: remote and digitized additive manufacturing. Automation, 3(3), 400-425. 

  2. Boban, J., & Ahmed, A. (2022). Electric discharge assisted post-processing performance of high strength-to-weight ratio alloys fabricated using metal additive manufacturing. CIRP Journal of Manufacturing Science and Technology, 39, 159-174. 

  3. Jithinraj, E. K., Ahmed, A., & Boban, J. (2022). Improving the surface integrity of additively manufactured curved and inclined metallic surfaces using thermo-electric energy assisted polishing. Surface and Coatings Technology, 446, 128803.  

  4. Boban, J., Ahmed, A., Jithinraj, E. K., Rahman, M. A., & Rahman, M. (2022). Polishing of additive manufactured metallic components: retrospect on existing methods and future prospects. The International Journal of Advanced Manufacturing Technology, 121(1-2), 83-125.  

  5. Ellappan, S., Ahmed, A., & Rahman, M. A. (2022). Cutting edge radius effect on the surface integrity of orthogonal turned aluminium alloy Al6082 with different initial microstructure. Procedia CIRP, 108, 636-641. 

• Year 2021

  1. Ahmed, A., Boban, J., & Rahman, M. (2021). Novel EDM deep hole drilling strategy using tubular electrode with orifice. CIRP Annals, 70(1), 151-154. 

  2. Boban, J., Ahmed, A., & Assam, A. (2021). Effect of recirculation zone on debris evacuation during EDM deep hole drilling. Procedia CIRP, 102, 393-398. 

  3. Thasleem, P., Kuriachen, B., Kumar, D., Ahmed, A., & Joy, M. L. (2021). Effect of heat treatment and electric discharge alloying on the tribological performance of selective laser melted AlSi10Mg. Journal of Tribology, 143(5), 051111. 

  4. Boban, J., & Ahmed, A. (2021). Improving the surface integrity and mechanical properties of additive manufactured stainless steel components by wire electrical discharge polishing. Journal of Materials Processing Technology, 291, 117013. 

• Year 2020

  1. Boban, J., Ahmed, A., Rahman, M. A., & Rahman, M. (2020). Wire electrical discharge polishing of additive manufactured metallic components. Procedia CIRP, 87, 321-326. 

  2. Rahman, M. A., Rahman, M., Mia, M., Gupta, M. K., Sen, B., & Ahmed, A. (2020). Investigation of the specific cutting energy and its effect in shearing dominant precision micro cutting. Journal of Materials Processing Technology, 283, 116688. 

  3. Ahmed, A., Tanjilul, M., Rahman, M., & Kumar, A. S. (2020). Ultrafast drilling of Inconel 718 using hybrid EDM with different electrode materials. The International Journal of Advanced Manufacturing Technology, 106, 2281-2294. 

• Year 2016-2019

  1. Ahmed, A., Lew, M. T., Diwakar, P., Kumar, A. S., & Rahman, M. (2019). A novel approach in high performance deep hole drilling of Inconel 718. Precision Engineering, 56, 432-437. 

  2. Ahmed, A., Tanjilul, M., Fardin, A., Wong, Y. S., Rahman, M., & Senthil Kumar, A. (2018). On the design and application of hybrid electrical discharge and arc machining process for enhancing drilling performance in Inconel 718. The International Journal of Advanced Manufacturing Technology, 99, 1825-1837.  

  3. Ahmed, A., Fardin, A., Tanjilul, M., Wong, Y. S., Rahman, M., & Senthil Kumar, A. (2018). A comparative study on the modelling of EDM and hybrid electrical discharge and arc machining considering latent heat and temperature-dependent properties of Inconel 718. The International Journal of Advanced Manufacturing Technology, 94, 2729-2737.  

  4. Tanjilul, M., Ahmed, A., Kumar, A. S., & Rahman, M. (2018). A study on EDM debris particle size and flushing mechanism for efficient debris removal in EDM-drilling of Inconel 718. Journal of Materials Processing Technology, 255, 263-274.  

  5. Ahmed, A., Dhakar, B., Kaul, R., Palai, R., Roy Choudhury, A., & Chatterjee, S. (2017). Hardfacing of AISI304 steel: fabrication of oxide-boride-nitride ceramic matrix composite layer by laser-assisted high temperature chemical reaction. Transactions of the IMF, 95(4), 207-216. 

  6. Ahmed, A. (2016). Deposition and analysis of composite coating on aluminum using Ti–B4C powder metallurgy tools in EDM. Materials and Manufacturing Processes, 31(4), 467-474. 

Conference

• Year 2022

  1. Rahul Jiji George, Afzaal Ahmed, Effect of spark assisted polishing on the wear resistance of additive manufactured metallic components, 4th Structural Integrity Conference and Exhibition (SICE) -2022 14-16th December, 2022, IIT Hyderabad. 

  2. Muruga Prabu, U., Ahmed, A., & Kuntikana, P. (2022). Numerical Investigation of heat penetration on cutting force during laser assisted machining of Ti6Al4V. 

  3. Ellappan, S., Ahmed, A., & Rahman, M. A. (2022). Cutting edge radius effect on the surface integrity of orthogonal turned aluminium alloy Al6082 with different initial microstructure. Procedia CIRP, 108, 636-641. 

• Year 2021

  1. Boban, J., & Ahmed, A. (2021). Surface micro-layer modification of selectively laser melted TiAl aloy using wire electrical discharge polishing. In Proceedings of World Congress on Micro and Nano Manufacturing (WCMNM).  

  2. Boban, J., Ahmed, A., & Assam, A. (2021). Effect of recirculation zone on debris evacuation during EDM deep hole drilling. Procedia CIRP, 102, 393-398. 

  3. Prabu, U. M., Kuntikana, P., & Ahmed, A. (2022). Comparative Study on the Analytical Models for the Workpiece Temperature Distribution During Laser-Assisted Machining. In Advances in Forming, Machining and Automation: Select Proceedings of AIMTDR 2021 (pp. 207-219). Singapore: Springer Nature Singapore. 

• Year 2014-2020

  1. Boban, J., Ahmed, A., Rahman, M. A., & Rahman, M. (2020). Wire electrical discharge polishing of additive manufactured metallic components. Procedia CIRP, 87, 321-326. 

  2. Ahmed, A., Rahman, A., & Kumar, A. S. (2017, November). A novel approach in deep hole drilling of Inconel 718. In Proceedings of 7th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN). Seoul, South Korea (pp. 14-17). 

  3. Afzaal Ahmed, S. B. Sabtu, M. Rahman, A. S. Kumar; EDM drilling of Inconel 718 using copper tube electrode; The 14th International Conference of the European Society for Precision Engineering and Nanotechnology (euspen); 2-4 June 2014, Dubrovnik, Croatia. 

  4. Afzaal Ahmed, Syafiq Ab Rahman, A.S. Kumar, M. Rahman; Enhanced surface integrity and dimensional accuracy in micro-EDM drilling using D-shaped electrode; 4M 10th International Conference 08-10 October, San Sebastian, Spain 2013. 

  5. Afzaal Ahmed, A.S. Kumar, M. Rahman. An experimental investigation of micro-EDM drilling capability for Inconel 718 against SUS 304 stainless steel in deionized water; 9th International Conference on Micro Manufacturing (ICOMM), Singapore 2014. 

Book Chapters

1. Boban, J., Madathil, A.P., Ahmed, A. and Rahman, A., 2024. An overview on post-processing of metal additive manufactured components. Materials Science and Materials Engineering.

2. Rahman, M. A., Tauhiduzzaman, M., Ahmed, A., & Rahman, M. (2024). Material perspective in ultra-precision machining. In Reference Module in Materials Science and Materials Engineering. 

3. Abhilash, P. M., Boban, J., Ahmed, A., & Luo, X. Digital twin-driven additive manufacturing: Advancements and future prospects. In Hybrid Metal Additive Manufacturing (pp. 196-221). CRC Press.

4. Ahmed, A., Boban, J., & Rahman, M. A. (2022). Recent Trends in Arc Machining Processes. In Electric Discharge Hybrid-Machining Processes (pp. 87-104). CRC Press. 

5. Rahman, M. A., Ahmed, A., & Mia, M. (2021). Trends in electrical discharge machining of Ti-and Ni-based superalloys: Macro-micro-compound arc/spark/melt process. In Micro Electro-Fabrication (pp. 63-87). Elsevier. 

6. Ahmed A, Rahman M, Kumar AS. Spark erosion based hybrid processes. Spark Erosion Machining: MEMS to Aerospace. 2020 Nov 1:123.