Metal Forming Processes

This research has focused on understanding multiscale deformation and failure behaviour of materials during conventional and unconventional forming processes. Some examples of the processes under investigation include sheet metal forming, incremental sheet forming, extrusion, and wire drawing. Experimental investigation are then used to develop computational frameworks for better predictions.

Selected Publications

I. Eipert, G. Sivaswamy, R. Bhattacharya, M. Amir, P. Blackwell, Improvement in Ductility in Commercially Pure Titanium Alloys by Stress Relaxation at Room Temperature, Key Engineering Materials, 611, 92-98, 2014. Muftooh Ur Rehman Siddiqi, Jonathan Corney, Giribaskar Sivaswamy, Muhammad Amir, Rahul Bhattacharya, Design and validation of a fixture for positive incremental sheet forming, Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 282, 629-643, 2018.M. A. Siddiq, A Porous Crystal Plasticity Constitutive Model for Ductile Deformation and Failure in Porous Single Crystals, International Journal of Damage Mechanics, 28, 233-248, 2019.Umair Bin Asim, Amir Siddiq, Mehmet E. Kartal, R. M. McMeeking, A Multiscale Crystal Plasticity based Constitutive Model for Metal Forming and Failure of Dual Phase Titanium Alloys, 2019. (In Preparation)Umair Bin Asim, Amir Siddiq, Giribaskar Sivaswamy, Jack Palmer, Panos Efthymiadis, Hassan Ghadbeigi, Paul Blackwell, Multiscale Experimental and Computational Investigation of the Deformation and Failure in Aluminium Alloy 6082-T6 during Sheet Metal Forming Process, 2019. (In Preparation)A. Siddiq, Report on FE Modelling of Sheet Forming Processes, AFRC, 2013.A. Siddiq, R. Bhattacharya, Process Design for Sheet Metal Forming, AFRC, 2013.A. Siddiq, R. Bhattacharya, Springback in Incremental Sheet Metal Forming Process, AFRC, 2012.

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