Abstract
Surface engineering deals with the improvement of surface property of a mechanical component. Surfaces are improved by changing surface metallurgy, by changing surface chemistry or by applying surface coating. The surface engineering process has evolved through ages considering health and safety issues as well as improved properties of the surface. The conventional surface engineering techniques such as flame hardening, induction hardening, shot peening, carburizing, nitriding, galvanizing, electrolytic coating, etc. are frequently associated with emission of hazardous chemicals in the environment, health issues due to exposure to an environment of high voltage and high temperature, injuries due to rebound of small particles, emission of dust particles, etc. The emerging surface engineering techniques have grown with comparatively less harmful effect on health and safety. This chapter discusses on the health and safety issues related to surface engineering techniques and the green solution obtained from emerging techniques in this field after introducing proper safety requirements.
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