탄소강 볼트 체결된 GECM (Graphite Epoxy Composite Material) / Al 판재 간의 갈바닉 부식 거동

• Published in: Corrosion science and technology Vol. 12; no. 1; pp. 12 - 26
• Main Authors: 김영식, Young Sik Kim, 박수진, Su Jin Park, 유영란, Youn Nui Yoo
• Format: Journal Article
• Language: Korean
• Published: 한국부식방식학회 28.02.2013
• Subjects: Al; carbon steel bolted GECM; Galvanic corrosion; NaC1; tap water; 금속공학; carbon steel bolted GECM; Galvanic corrosion; NaCl; Al; tap water
• ISSN: 1598-6462; 2288-6524

This work focused on galvanic corrosion of carbon steel bolted CIEC`MJAI plates by long-term test in tap water and NaC1 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 NaC1 solutions. Also, using a potentiostat and salt water sprayer. galvanic test was done. In galvanic test on carbon steel bolted GECMJAI plates, corrosion of carbon steel bolt was faster in series of tap water>l% NaC1 solution>3.5% NaC1 solution. In galvanic couple between aluminium and carbon steel bolt, their corrosion rates were higher than those single specimen. In galvanic couple between GECM, aluminium, and carbon steel bolt, corrosion behaviors carbon steel bolt and aluminium were changed due to different corrosion mechanism in tap water and chloride solution.