International Journal of Advanced Culture Technology

The International Promotion Agency of Culture Technology (국제문화기술진흥원)
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Effect of Sodium Chloride on Weight Loss of AA1100 Aluminum Alloy and SGACD Zinc coated Steel Lap Joint

  • Maulidin, Achmad (Department of Industrial Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi) ;
  • Kimapong, Kittipong (Department of Industrial Engineering, Faculty of Engineering, Rajamangala University of Technology Thanyaburi)
  • Received : 2015.02.10
  • Accepted : 2015.04.20
  • Published : 2015.06.30
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Abstract

This research aims to study an effect of sodium chloride solution concentration on the corrosion rate of AA1100 aluminium alloy and SGACD zinc coated steel lap joint with a test duration of 30 days and a test temperature of $45^{\circ}$. The summarized results are as follows. Increase of the NaCl solution concentration increased the weight loss of Al, corrosion rate of Al, weight loss of Fe and also decreased the corrosion rate of Fe. Increase of the test duration affected to increase the weight loss and corrosion rate of Al and also decrease the weight loss and corrosion rate of Fe. The corrosion that was formed in a lap joint consisted of the uniform corrosion on the surface of the metals and the galvanic corrosion in the lap area of the joint. The maximum weight loss of AA 1100 aluminium and SGACD zinc coated steel that was occurred in the sodium chloride with 3.25% was 2.203% and 3.208%, respectively.. The maximum corrosion rate of AA 1100 aluminium and SGACD zinc coated steel that was occurred in 4.00% and 3.5% sodium chloride solution was 0.156 mm/year and 0.479 mm/year, respectively.

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References

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