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Jong Kyo Choi 2 Articles
883 Effects of Cr additions on Corrosion and Erosion-Corrosion Behaviors in the Weld Heat-Affected Zone of Hadfield Steel in Brine Environments
염수환경 내 해드필드강 용접열영향부의 부식 및 침식-부식 거동에 미치는 Cr 첨가의 영향
Seung Woo Jin, Jin Sung Park, Duck Bin Yun, Sang Chul Lee, Jong Kyo Choi, Min-Suk Oh, Sung Jin Kim
진승우, 박진성, 윤덕빈, 이상철, 최종교, 오민석, 김성진
Korean J. Met. Mater. 2023;61(12):883-895.   Published online 2023 Nov 30
DOI: https://doi.org/10.3365/KJMM.2023.61.12.883

Abstract
The corrosion and erosion-corrosion behaviors in the weld heat-affected zone (HAZ) of Hadfield steels with varying Cr contents (1, 2, and 3 wt%) were examined. Various experimental methods, including electrochemical polarization, impedance, and weight loss measurements, were utilized. Two types of isothermal heat treatments were conducted in a box furnace..... More

                
633 Effect of Cr addition on the Corrosion-Wear Behaviors of 18Mn(V, Mo) Steel in a Seawater Environment
해양구조용 18Mn(V, Mo)강 내 Cr 첨가가 해수환경 내 부식-마모 복합거동에 미치는 영향
Duck Bin Yun, Jin Sung Park, Sang Cheol Lee, Jong Kyo Choi, Sung Jin Kim
윤덕빈, 박진성, 이상철, 최종교, 김성진
Korean J. Met. Mater. 2023;61(9):633-641.   Published online 2023 Aug 30
DOI: https://doi.org/10.3365/KJMM.2023.61.9.633

Abstract
The objective of this study was to examine the wear-corrosion behavior of 18Mn(V, Mo) steel, which had a minor amount of Cr addition (< 3 wt%), in an artificial seawater environment, and compare it to conventional carbon steel. A variety of electrochemical experiments, including linear polarization resistance, impedance spectroscopy, and..... More

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