Any material in a solid state which is hard and exhibits characteristics like electrical conductivity, shine and capacity is referred to as a metal. The atoms of metals are arranged in either body-centered cubic, hexagonal close-packed or face-centered cubic structure. Metals are fundamental to different fields of science. They play a central role in the rapid industrial progress and technological advancement. This book aims to highlight certain key concepts related to the study of metals and explain their properties and applications in an elaborate manner. From theories to research to practical applications, studies related to all contemporary topics of relevance to this field have been included in this book. It elucidates new techniques and their applications in a multidisciplinary manner. It is designed to serve as a resource guide for students and experts alike and contribute to the growth of this discipline.