This book presents peer reviewed articles from the International Conference on Fundamental and Industrial Research on Materials- iConFIRM 2023; held from 11th to 14th Dec at Ropar in India. It includes recent advances in the area of mechanics of metallic, nano and energy materials, extractive metallurgy, and processing. Fundamental research works including development and characterization of new alloys, ceramics, composites and nano materials along with advanced characterization techniques such as XRD, SEM and TEM and mathematical modelling, finite element simulations, molecular dynamics, machine learning and similar other advanced numerical, theoretical and experimental techniques in the field of materials and metallurgy.