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Plasma spray can be used to produce coatings. of virtually any metallic, cermet, or ceramic ma-. terial. The coatings are used for most of the types. of applications described in a subsequent section. The transferred plasma-arc process adds to. plasma spray the capability of substrate surface heat-. ing and melting. Figure 7 is a schematic repre-. sentation of the process.
Precoated Sheets. â Advanced control over the coating atmo-. sphere secures adhesion of the zinc to the. base metal, thereby ensuring good workabil-. ity. These products are used mainly in home. electric appliances and building materials. Advanced control over the coating atmo-. base metal, thereby ensuring good workabil-. â SUPERNICKELThe surface texture is uniform and beautiful. The lack of heat treatment during the coat-. ing process helps to retain the properties of. the base metal. These products are used. mainly in home electric appliances for.