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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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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.