Advanced SearchSearch Tips
Corrosion Property Evaluation of Copper Alloy Tubes against Sea Water
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
Corrosion Property Evaluation of Copper Alloy Tubes against Sea Water
Pang, Beilli; Ong, Sang-Kil; Lee, Hong-Ro;
  PDF(new window)
In this study, the corrosion property of copper alloy tubes in seawater has been investigated. Three copper alloys of nominal composition Cu-20Zn-2Al(Al-Brass), Cu-30Ni(CN70/30) and Cu-10Ni(CN90/10) were considered. The samples were immersed in 3%NaCl flowing solution at for 30, 50 and 80 days. Corrosion rate of copper alloy tubes in 3%NaCl flowing solution was investigated by weight-loss measurements and electrochemical test. The CN70/30 showed lowest corrosion rate among three copper alloy tubes. Because of passive films formation, corrosion rates of three types of copper tubes were decrease with time. Surface characteristics of copper alloy tubes were analyzed by optical micrograph(OM), scanning electronic microscopy (SEM), energy dispersive X-ray analysis(EDAX) and X-ray diffraction patterns(XRD). CN70/30 showed partly pitting problem on the surface owing to high Fe content, even though having high resistant against corrosion. Cracks appeared on the surface of CN90/10 and CN70/30 after more than 50 days immersion, which could be derived from high nickel contents.
Copper alloy tube;Sea water;Heat exchanger;Immersion test;Corrosion rate measurement;
 Cited by
함정용 패키지 에어콘 응축기 핀튜브(Cu-Ni 70/30) 누설파괴 원인 분석,박형훈;황양진;이규환;

한국표면공학회지, 2016. vol.49. 5, pp.439-446 crossref(new window)
Failure Analysis of Condenser Fin Tubes of Package Type Air Conditioner for Navy Vessel, Journal of the Korean institute of surface engineering, 2016, 49, 5, 439  crossref(new windwow)
Analysis of failure in a nickel coated brass dolphin striker component, Engineering Failure Analysis, 2017, 72, 48  crossref(new windwow)
R. C. Newman, T. Shahrabi, Corrosion 49 (1993) 60 crossref(new window)

J. Morales, G. T. Fernandez, S. Gonzales, P. Esparza, R. C. Salvarezza, A. J. Arvia, Corros. Sci., 40 (1998) 177 crossref(new window)

I. Milošev, Corros. Sci., 49 (2007) 637 crossref(new window)

L. J. P. Drolenga, F. P. Ijsseling, B. H. Kolster, Werkstoffe und Korrosion, 34 (1983) 167 crossref(new window)

J. M. Maciel, S. M. L. Agostinho, J. Appl. Electrochim., 30 (2000) 981 crossref(new window)

K. M. Ismail, A. M. Fathi, W. A. Badawy, Corros. Sci., 48 (2006) 1912 crossref(new window)

W. A. Badawy, K. M. Ismail, A. M. Fathi, Electrochim. Acta, 50 (2005) 4182 crossref(new window)

K. Abouswa, F. Elshawesh, O. Elragei, A. Elhood, Desalination, 205 (2007) 140 crossref(new window)

P. Christiani, G. Perboni, A. Debenedetti, Electrochim. Acta, 54 (2008) 100 crossref(new window)

M. Metikos-Hukovic, R. Babic, Corros. Sci., 51 (2009) 70 crossref(new window)

K. Al-Muhanna, K. Habib, Desalination, 250 (2010) 404 crossref(new window)

J.-T. Kim, S.-H. Kim, J. Kor. Inst. Surf. Eng., 41 (2008) 109 crossref(new window)

Milošev I, Metiko-Hukovic, J. Electrochem Soc., 138 (1991) 61 crossref(new window)

T. M. Ahmed, Near-threshold Fatigue behavior of Copper Alloys in Air and Aqueous Environments: a High Cyclic Frequency Study. PhD thesis, University of British Columbia, Canada; May 2002

X. L. Zhu, T. Q. Lei, Corros. Sci., 44 (2002) 67 crossref(new window)

J. Morales, G. T. Fernandez, S. Gonzalez, P. Esparza, R. C. Salvarezza, A. J. Arvia. Corros. Sci., 40(2-3) (1998) 177 crossref(new window)

A. Roine, Outokumpu HSC Chemistry for Windows (Version 4.0), Outokumpu Research Oy, Pori, Finland, 2000