해수 환경하에서 알루미늄합금(5083F)의 외부전원법에 의한 최적 방식전위 결정에 관한 연구

DOI QR코드

DOI QR Code

김성종;감정일;김종신
Kim, Seong-Jong;Kim, Jeong-Il;Kim, Jong-Shin

  • 발행 : 2007.12.31

초록

Recently, there has been a new appreciation of aluminum alloys as materials that are capable of reducing the environment load. This is because aluminum alloys are lightweight, easy to recycle, permit miniaturization, and have environmental friendly properties. In this study, we investigated the mechanical and electrochemical properties of 5083F aluminum alloys using slow strain rate test(SSRT) and potentiostatic tests under various potential conditions. In the potentiostatic tests, the current density in the potential range from -0.7 to -1.4V after 1,200 s was low. After considering the results of the potentiostatic tests, maximum tensile strength, yield strength, elongation, time-to-fracture, observation of fractured specimen and fractography analysis, the optimum protection potential range was between -1.3 and -0.7V(Ag/AgCl).

키워드

Aluminum alloys;Slow strain rate test;Electrochemical property;Hydrogen embrittlement;Stress corrosion cracking;Optimum protection potential

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피인용 문헌

  1. 1. Evaluation on Damage Behavior of Al-4.5%Mg-0.6%Mn Al Alloy with Potentiostatic Experiment Time vol.18, pp.6, 2012, doi:10.5695/JKISE.2007.40.6.262
  2. 2. Investigation on surface hardening and corrosion characteristic by water cavitation peening with time for Al 5052-O alloy vol.11, pp.4, 2012, doi:10.5695/JKISE.2007.40.6.262