This book comprehensively covers the topic of coating materials, methods of fabrication, characterizations, the interaction between fillers, reinforcements, and environmental impact, and the functional classification of ceramic coatings. It also covers quality and precision aspects and provides information on the appropriate system for various coating types. The topics covered in this book include introduction to coating technology, evaluation of mechanical coating materials, specific engineering coating materials, evaluation of surface roughness and adhesion of coating materials, mechanism of the wettability of coating materials, stress behaviour in coating materials, fracture and toughness of coating materials, mathematical modelling of mechanical coating, tribological properties of coating materials, and many other. The book is useful for researchers and professionals working in the fields of materials science.