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Tensile testing at the Extremely Low Temperature of 6K : Microstructure and Mechanical Properties of a Fe-Mn-Cr Steel
6K 초극저온 인장 시험 : Fe-Mn-Cr 강의 미세조직 및 기계적 물성
Young-Kyun Kim, Ka-Ram Lim, Young-Sang Na
김영균, 임가람, 나영상
Korean J. Met. Mater. 2023;61(6):389-396.   Published online 2023 May 18
DOI: https://doi.org/10.3365/KJMM.2023.61.6.389

Abstract
Materials with superior cryogenic strength and good ductility are increasingly in demand for resident friendly liquid-hydrogen (20K) storage tanks. Additionally, the space industry also requires materials that retain excellent mechanical properties at extremely low temperatures. However, mechanical testing at such low temperatures is highly limited due to the difficulties in..... More

                   Web of Science 1  Crossref 2
Casting/Solidification/Heat Treatment
Solidification Segregation and Homogenization Behavior of 1Cr-1.25Mo-0.25V Steel Ingot
1Cr-1.25Mo-0.25V 강 잉곳의 응고편석 및 균질화 거동
Dong-Bae Kim, Young-Sang Na, Seong-Moon Seo, Je-Hyun Lee
김동배, 나영상, 서성문, 이재현
Korean J. Met. Mater. 2016;54(9):659-671.   Published online 2016 Sep 5
DOI: https://doi.org/10.3365/KJMM.2016.54.9.659

Abstract
As a first step to optimizing the homogenization heat treatment following high temperature upset forging, the solidification segregation and the homogenization behaviors of solute elements were quantitatively analyzed for 1Cr-1.25Mo-0.25V steel ingot by electron probe micro-analysis (EPMA). The random sampling approach, which was designed to generate continuous compositional profiles of..... More

    
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