In this study, 316 stainless was deposited by low-pressure plasma spraying under various conditions to obtain different coating structures and by cold gas dynamic spraying for comparison. The coatings were characterized by cross-sectional metallography to assess porosity, oxidation, particle flattening, and elemental composition. The samples were also subjected to flyer plate impact testing in a gas gun to determine their shock propagation and porosity compaction properties. Comparing the results with that of the reference sample shows the effect of deposition conditions on the dynamic behavior of the coatings.

316 stainless steel, cold gas dynamic spraying, low pressure plasma spraying, plate impact testing, porosity
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2019
ASM International
Topics
Austenitic stainless steel Plate impact testing Cold spray coating Plasma spray coating Porosity
Issue Section:
Characterization and Testing: Mechanical and Chemical Properties
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