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This article describes the methods for removing metallic contaminants, tarnish, and scale resulting from hot-working or heat-treating operations on nickel-, cobalt-, and iron-base heat-resistant alloys. It provides a brief description of applicable finishing and coating processes, including polishing, electroplating, ceramic coatings, diffusion coatings, and shot-peening. The article presents numerous examples that identify cleaning and finishing problems and the procedures used to solve them.

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F.S. Pettit, Surface Engineering of Heat-Resistant Alloys, Surface Engineering, Vol 5, ASM Handbook, Edited By C.M. Cotell, J.A. Sprague, F.A. Smidt, Jr., ASM International, 1994, p 779–783,

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