Journal of Failure Analysis and Prevention

, Volume 11, Issue 2, pp 152–157 | Cite as

Analysis of Copper Pitting Failure in Drinking Water Distribution System

  • Zhijun Jia
  • Cuiwei Du
  • Dongdong Zhang
  • Xiaogang Li
Technical Article---Peer-Reviewed


Electrochemical tests, as well as surface and chemical analysis were used to investigate the cause of pitting failure of copper tubing in a drinking water distribution system. The results show that localized pitting was the cause of failure and copper corrosion problems were observed under a green deposit. The pitting corrosion was associated with the Cl and SO4 2− ions introduced by the water softening treatment. These ions promoted the corrosion and the influence of Cl ion was much greater than that of the SO4 2− ion.


Pitting Corrosion failure analysis Current testing Copper tube Water distribution system Electrochemical test 


  1. 1.
    Lee, S.H., Kim, J.G., Koo, J.Y.: Investigation of pitting corrosion of a copper tube in a heating system. Eng. Fail. Anal. 17(6), 1424–1435 (2010)CrossRefGoogle Scholar
  2. 2.
    Sędek, P., Brózda, J., Gazdowicz, J.: Pitting corrosion of the stainless steel ventilation duct in a roofed swimming pool. Eng. Fail. Anal. 15(4), 281–286 (2008)CrossRefGoogle Scholar
  3. 3.
    Usman, A., Khan, N.A.: Failure analysis of heat exchanger tubes. Eng. Fail. Anal. 15(1–2), 118–128 (2008)CrossRefGoogle Scholar
  4. 4.
    Loganathan, T.M., Purbolaksono, J., Inayat-Hussain, J.I., et al.: Pitting corrosion of triggering initial fractures of palm oil screw press machine shafts. Eng. Fail. Anal. 17(5), 1086–1093 (2010)CrossRefGoogle Scholar
  5. 5.
    Kumar, M.S., Sujata, M., Venkataswamy, M.A., Bhaumik, S.K.: Failure analysis of a stainless steel pipeline. Eng. Fail. Anal. 15(5), 497–504 (2008)CrossRefGoogle Scholar
  6. 6.
    Deen, K.M., Virk, M.A., Haque, C.I., et al.: Failure investigation of heat exchanger plates due to pitting corrosion. Eng. Fail. Anal. 17(4), 886–893 (2010)CrossRefGoogle Scholar
  7. 7.
    Chandra, K., Kain, V., Dey, G.K., et al.: Failure analysis of cupronickel evaporator tubes of a chilling plant. Eng. Fail. Anal. 17(4), 587–593 (2010)CrossRefGoogle Scholar

Copyright information

© ASM International 2010

Authors and Affiliations

  • Zhijun Jia
    • 1
  • Cuiwei Du
    • 1
  • Dongdong Zhang
    • 1
  • Xiaogang Li
    • 1
  1. 1.Center of Corrosion and ProtectionUniversity of Science and Technology BeijingBeijingChina

Personalised recommendations