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Integrity Assessment of Obsolete Thermal Storage Tank in District Heating System
지역난방 노후 축열조의 부식 건전성 평가 및 고찰
Daeho Yun, Hobyung Chae, Heesan Kim, Jung-Gu Kim, Woo Cheol Kim, Tae Baek Ha, Jaehyuk Jang, Joon Cheol Jeong, Soo Yeol Lee윤대호, 채호병, 김희산, 김정구, 김우철, 하태백, 장재혁, 정준철, 이수열
Korean J. Met. Mater. 2020;58(10):693-702. Published online 2020 Oct 5 DOI: https://doi.org/10.3365/KJMM.2020.58.10.693
Abstract
The thermal storage tank in a district heating system is a component that stores excess heat during normal operation and releases the stored heat to increase the efficiency of the system, when the heat source is stopped or additional demands occur. Recently, an obsolete thermal storage tank was dismantled for..... More
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Effects of Alloying Elements on the Corrosion Properties of High Strength Steel in a Sour Environment
사워(Sour) 환경에서 고강도강의 내식성에 미치는 합금원소의 영향
Youngmin Hyun, Heesan Kim현영민, 김희산
Korean J. Met. Mater. 2016;54(12):885-892. Published online 2016 Dec 5 DOI: https://doi.org/10.3365/KJMM.2016.54.12.885
Abstract
The effects of alloying elements (Mn, Cr, and C) on the corrosion resistance of steel were examined using weight loss test, polarization test in a sour environment, analysis of rust, and the prediction of stable corrosion product. Carbon was found to improve corrosion resistance after 7-day immersion, while manganese and..... More
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