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Study on the Part Unit Corrosion Evaluation for Automotive Lower Arm Using Electrochemical Cyclic Corrosion Test
전기화학적 순환부식 시험법을 활용한 자동차 로어암의 단품단위 부식평가에 관한 연구
Seon-Hong Kim, Ji-Hoon Lee, Jung-Gu Kim, Min Jang
김선홍, 이지훈, 김정구, 장민
Korean J. Met. Mater. 2018;56(2):103-112.   Published online 2018 Feb 5
DOI: https://doi.org/10.3365/KJMM.2018.56.2.103

This research focused on the development of the part unit evaluation for an organic coated automotive lower arm using the electrochemical cyclic corrosion test (E-CCT). The E-CCT accelerates both the coating degradation and the perforation corrosion. The applied potential for the coating degradation was determined to be -500 mVSCE for..... More

Analysis of Underwater Electromagnetic Field Reduction by Mixed-type Cathodic Protection Using the Boundary Element Method
경계요소법을 이용한 혼합형 음극방식 적용에 따른 수중 전자기장 감소 연구
Yong-Sang Kim, Sang Jin Ko, Sangkyu Lee, Jung-Gu Kim
김용상, 고상진, 이상규, 김정구
Korean J. Met. Mater. 2017;55(8):591-599.   Published online 2017 Aug 1
DOI: https://doi.org/10.3365/KJMM.2017.55.8.591

In this paper, the influence of mixed-type (impressed-current and sacrificial-anode) cathodic protection on an underwater electromagnetic field was investigated using the boundary element method. The current applied for cathodic protection was reduced by installing sacrificial anodes in the stern region. Also, the potential difference produced by the propeller in the..... More

Effect of Temperature and Flow Velocity on the Cathodic Protection of Ships and Underwater Electromagnetic Signatures
온도 및 유속이 선박의 음극방식 및 수중 전자기장 신호 특성에 미치는 영향
Yong-Sang Kim, Kyoung-Min Kim, Sangkyu Lee, Jung-Gu Kim
김용상, 김경민, 이상규, 김정구
Korean J. Met. Mater. 2017;55(5):348-356.   Published online 2017 May 9
DOI: https://doi.org/10.3365/KJMM.2017.55.5.348

The effects of the temperature and flow velocity on the cathodic protection and underwater electromagnetic signature of ships are investigated using electrochemical tests and boundary element simulations. The corrosion resistance of the materials for the hull and propeller increase at lower temperatures, and the corrosion resistance is significantly decreased under..... More

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