As physical metallurgy is one of the branches of metallurgy it deals with the thermal, electrical, magnetic and mechanical properties of metals and alloys. It includes applying the phase transformation elements and concepts to help understand the physical aspects of metals and alloys. The most common methodology used in this field is the CALPHAD. This book studies, analyses and upholds the pillars of physical metallurgy and its utmost significance in modern times. While understanding the long-term perspectives of the topics, it makes an effort in highlighting their impact as a modern tool for the growth of the discipline. The topics covered in the textbook offer the readers new insights in this field. It attempts to assist those with a goal of delving in this area.