Early in the development of electric arc thermal spray equipment, twin wire coatings were typically coarse and porous. Arc systems were used for dimensional buildup and anti-skid coatings. Today, arc spray technology has progressed to where arc spray systems are used in numerous types of applications.This presentation discusses corrosion applications and the industries that have driven arc technology development to improve coating quality and improve production rates--up to 4 times the original rates. This paper documents recent infrastructure applications, power plant cooling towers, and oil and gas industry applications as well as severalother industry applications where the equipment is used. Physical properties, costs and testing in process will
be discussed. The closing includes trends, needs for equipment and material and suggestions for future actions.