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J. Ocean Eng. Technol. 2000;14(1):60-66.    

The Study on the Behavior of Polarization curve of Reinforcement with Oxidation Layer
산화피막이 있는 철근의 분극곡선의 거동에 대한 연구
한정섭
동아대학교 토목·해양공학부교수
Copyright © 2000 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Key Words: Corrosion rate, Corrosion potential, Concrete, Reinforcement, Polarization
핵심용어: 부식속도, 부식전위, 콘크리트, 철근, 분극곡선
Abstract
In order to study for corrosion behavior of reinforcing steel with oxidation layer. Experiments were done with various NaCl concentrations and with immersion time in simulated concrete pore solution(SPS) the characteristics of corrosion behavior were measured by polarization resistance method and cyclic potentiodynamic method. reinforcements were coated by epoxy except corrosion without oxidation layer and it also showed two anodic-nose. by the result of potention dynamic test the potential curve shift to low with time and anodic-nose was appeared with 3% NaCl solution after 15 days. By result of cyclic Potentiodynamic test the type of corrosion was different accoding to concentration.


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