More than 240 papers covering the full spectrum of topics on the science and technology of thermal spray are presented in this book. The contributions highlight a number of areas, including recent advances in the basic science of spraying, diagnostics, process control, particle impact, microstructure, and properties; results on degradation mechanisms, testing and performance evaluation; and developments in new materials, processes, equipment and applications. In short, this collection of papers presents a snapshot of the current state of advancement of the thermal spray field. Contents: Volume 1: Cold Spray (16 papers); Applications (15 papers); Corrosion and Wear protective coatings (46 papers); Equipment and Processes (17 papers); feedstocks and Novel Materials (15 papers); High-Velocity Oxyfuel (HVOF) Spraying (14 papers). Volume 2: Science and Applications of Thermal Spray (34 papers) Sensors and Controls (26 papers); Testing and Characterization (24 papers); Thermal and Environmental Barrier Coatings (26 papers); Thermal Spraying of Polymers (10 papers).