Corrosion Science and Technology

  • 제12권1호
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  • Pages.12-26
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  • 2013
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  • 1598-6462(pISSN)
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  • 2288-6524(eISSN)
한국부식방식학회 (The Corrosion Science Society of Korea)
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탄소강 볼트 체결된 GECM(Graphite Epoxy Composite Material)/Al 판재 간의 갈바닉 부식 거동

Galvanic Corrosion Behavior between Carbon Steel Bolted GECM(Graphite Epoxy Composite Material)/Al plates

  • 김영식 (국립안동대학교 신소재공학부 청정에너지소재기술연구센터) ;
  • 박수진 (국립안동대학교 신소재공학부 청정에너지소재기술연구센터) ;
  • 유영란 ((재)포항금속소재산업진흥원 부식방식연구실)
  • Kim, Youngsik (Materials Research Center for Energy and Green Technology, School of Advanced Materials Engineering, Andong National University) ;
  • Park, Sujin (Materials Research Center for Energy and Green Technology, School of Advanced Materials Engineering, Andong National University) ;
  • Yoo, Youngran (POMIA (Pohang Institute of Metal Industry Advancement))
  • 투고 : 2012.10.23
  • 심사 : 2012.12.06
  • 발행 : 2013.02.15
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초록

This work focused on galvanic corrosion of carbon steel bolted GECM/Al plates by long-term test in tap water and NaCl solutions. Test product was carbon steel bolted between cross packed GECM and painted aluminium. Tests for the product and coupled parts determined corrosion rate in tap water and NaCl solutions. Also, using a potentiostat and salt water sprayer, galvanic test was done. In galvanic test on carbon steel bolted GECM/Al plates, corrosion of carbon steel bolt was faster in series of tap water>1% NaCl solution>3.5% NaCl solution. In galvanic couple between aluminium and carbon steel bolt, their corrosion rates were higher than those of single specimen. In galvanic couple between GECM, aluminium, and carbon steel bolt, corrosion behaviors of carbon steel bolt and aluminium were changed due to different corrosion mechanism in tap water and chloride solution.

키워드

참고문헌

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