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Title: Sea water corrosion behavior of plasma sprayed abradable coatings
Authors: Parida, M
Nanda, S P
Mishra, S C
Keywords: Plasma spray technique
Sea water corrosion
Issue Date: Mar-2017
Publisher: IOP Publishing
Citation: IOP Conference Series: Materials Science and Engineering, Volume 178, conference 1
Abstract: Aluminum based abradable coating is used for sealing purpose in compressor casing of aero engines to withstand up to a service temperature of 450°C. Al-BNSiO2 composite coating is deposited using thermal plasma spray technique. Coating thickness measured and porosity of the coating is evaluated.Coating morphology is observed and EDSanalysis is done with SEM (Jeol make). The effect of time on the sea water corrosion behavior of the coating is evaluated. It is observed that, there is a sharp increase in weight gain of the coating up to six weeks of immersion. This behavior is attributed to the adsorption/deposition of other elements/reactions taking place during interaction with sea water.
Description: Copyright for this paper belongs to proceeding pubisher
Appears in Collections:Conference Papers

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