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Title

Early corrosion failure of copper tubing used in air-conditioning units

AuthorsCano Díaz, Emilio ; Simancas Peco, Joaquín; Polo, J. L.; Torres, C. L.; Bastidas Rull, José María; Alcolea, J.
Issue Date1999
PublisherJohn Wiley & Sons
CitationMaterials and Corrosion - Werkstoffe und Korrosion 50: 103-110 (1999)
AbstractThis paper analyses the causes of the early corrosion failure of phosphorus deoxidized copper tubes which formed part of an air-conditioning unit. The failure of the tubes occurred after 2-3 months service time. X-ray photo-electron spectroscopy (XPS), Auger electron spectroscopy (AES), scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) techniques were used. Corrosion tests were also performed at the laboratory using three types of uncorroded copper tubes, 40, 80 and 100% relative humidities, 20 and 40 °C temperature, and two commercial lubricant oils. Organic acids, chloride and sulphur were found as sources of corrosion failure. © WILEY-VCH Verlag GmbH,.
URIhttp://hdl.handle.net/10261/76574
DOI10.1002/(SICI)1521-4176(199902)50:2<103::AID-MACO103>3.0.CO;2-B
Identifiersdoi: 10.1002/(SICI)1521-4176(199902)50:2<103::AID-MACO103>3.0.CO;2-B
issn: 0043-2822
Appears in Collections:(CENIM) Artículos
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