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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.
As with the oxy-acetylene Tool School post, we need to address safety first. Plasma cutting generates hot sparks and slag (hot bits of melted metal), which means that all of the apparel guidelines that apply to welding and gas cutting apply here as well. 1. Apparel: Wear a protective jacket designed for welding.