“Design and analysis of streamlined extrusion die for round to hexagon using area mapping technique, upper bound technique and finite element method” journal of mechanical science and technology : Vol. 28(5) 2014 KSME & Springer 2014.
“Optimization of process parameters of hot extrusion of SiC/Al 6061 Composite using Taguchi’s technique and upper bound technique” Journal of materials and manufacturing processes (Taylor & Francis). Vol 30: 85-92, 2015.