Journal of Advanced Marine Engineering and Technology

The Korean Society of Marine Engineering (한국마린엔지니어링학회)
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Effects of rotation speed and time in potentiostatic experiment in seawater for 5083-H116 Al alloy

  • Lee, Seung-Jun (Division of Marine Engineering, Mokpo Maritime University) ;
  • Han, Min-Su (Division of Marine Engineering, Mokpo Maritime University) ;
  • Jang, Seok-Ki (Division of Marine Engineering, Mokpo Maritime University) ;
  • Kim, Seong-Jong (Division of Marine Engineering, Mokpo Maritime University)
  • Received : 2014.06.20
  • Accepted : 2014.10.30
  • Published : 2014.10.31
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Abstract

Aluminum acts as sacrificial anode and corrosion protection with Al2O3 formation. If the same current on material for Al ships with steel ships supplies, the more hydrogen would be occurred, that result is bring about over-protection. For this reason, the damage by hydrogen embrittlement leads to the serious accident. In this study, we evaluate electrochemical behavior with rotation speed of 5083-H116 Al alloy material for Al ship in seawater. To examine the electrochemical characteristics with rotation speed and its effects on performance, experiments were conducted at four rotation speed. Results of experiments, the corrosion current density and damage were increased by applying the rotation speed compared to static state.

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References

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