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Corrosion of PVD TiN coatings under simultaneous erosion in sodium carbonate bicarbonate buffered slurries

Wang, H.W. and Stack, M.M. (1998) Corrosion of PVD TiN coatings under simultaneous erosion in sodium carbonate bicarbonate buffered slurries. Surface and Coatings Technology, 105 (1-2). pp. 141-146. ISSN 0257-8972

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Abstract

The aqueous corrosion resistance of mild steel (BS6323) in the presence and absence of PVD TiN coatings was studied potentiodynamically in a rotating cylinder electrode system, in comparison with that of AISI 304 stainless steel, in an alkaline buffer slurry solution of sodium carbonate and bicarbonate containing 150 mu m alumina particles at a velocity up to 8 m/s. Weight loss of the samples resulted due to the action of both wear and corrosion. This paper summarises the preliminary results for studies of corrosion of the coated and uncoated samples. In addition. the weight loss due to corrosion under conditions of simultaneous erosion-corrosion was obtained from the current response using Faraday's law. The significant resistance to corrosion and the outstanding stability of the corrosion resistance with the increases of particle velocity accounted for the excellent corrosion performance of the TiN coatings over that of AISI 304 stainless steel or the mild steel.

Item type: Article
ID code: 34383
Keywords: corrosion, erosion-corrosion, PVD, stainless steel, tin, physical vapor deposition, titanium nitride films, wear resistance, behavior, performance, steels, Mechanical engineering and machinery, Mining engineering. Metallurgy, Materials Chemistry, Surfaces, Coatings and Films, Chemistry(all), Surfaces and Interfaces, Condensed Matter Physics
Subjects: Technology > Mechanical engineering and machinery
Technology > Mining engineering. Metallurgy
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 17 Oct 2011 15:18
    Last modified: 05 Sep 2014 11:54
    URI: http://strathprints.strath.ac.uk/id/eprint/34383

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