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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Si 및 Al 함량과 항온열처리조건이 초고강도 마르텐사이트-베이나이트 Fe-0.2C-2.0Mn 복합조직강의 미세조직과 인장특성에 미치는 영향
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이응혁, 유창재, 이홍범, 김지훈, 서동우
Korean J. Met. Mater.
2021;59(9):602-612. Published online 2021 Aug 4
DOI:
https://doi.org/10.3365/KJMM.2021.59.9.602
Abstract
This study investigated the influence of partial replacement of Si by Al on the microstructure and tensile properties of ultra-high strength steels with martensite-bainite complex microstructure produced by austenitization and subsequent isothermal heat treatment around M
s
temperature. When the isothermal heat treatment was done below the M
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temperature, the fraction.....
More
Web of Science 4
Crossref 4
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극저온압연한 저탄소망간강의 초기 미세조직과 어닐링 조건이 기계적성질에 미치는 영향
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이종철, 남원종
Korean J. Met. Mater.
2018;56(8):551-560. Published online 2018 Aug 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.8.551
Abstract
The effect of annealing on the microstructural evolution of the matrix in low carbon manganese steels with different initial microstructures, including martensite, bainite and a mixture of ferrite and pearlite, was investigated in conjunction with the charge in mechanical properties. During annealing, steels with a deformed ferrite + pearlite microstructure.....
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베이나이트계 X70강 수소가압분위기 인장시험의 수소취성균열 전파
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최병학, 장현수, 이범규, 김의수, 김우식, 백운봉, 남승훈
Korean J. Met. Mater.
2018;56(1):1-7. Published online 2018 Jan 1
DOI:
https://doi.org/10.3365/KJMM.2018.56.1.1
Abstract
This study investigated hydrogen induced cracking (HIC) of X70 steel, used for gas pipeline material, with a bainitic microstructure. The effect of hydrogen on the steel was investigated by tensiletesting in a high pressure hydrogen atmosphere, using OM, SEM and TEM analyses. The mechanisms of hydrogen-related cracking were represented as.....
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Crossref 6
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과공석강에서 합금원소 Cr, Si 첨가 및 상변태 온도가 미세조직 변화와 인장성질에 미치는 영향
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박정훈, 정신웅, 남원종
Korean J. Met. Mater.
2017;55(7):460-469. Published online 2017 Jul 4
DOI:
https://doi.org/10.3365/KJMM.2017.55.7.460
Abstract
The effects of alloying elements, especially Cr and Si, and transformation temperature on the microstructures and mechanical properties of hyper-eutectoid steels were investigated. Increases in Si and Cr changed the morphology of cementite in upper bainite, while the morphology of pearlite seemed to be unchanged by the amount of alloying.....
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열연 590FB강의 일축인장 시 미소역학적 변형거동 및 파괴거동에 미치는 베이나이트의 강도계수의 영향
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김은영, 김성일, 최시훈
Korean J. Met. Mater.
2016;54(11):808-816. Published online 2016 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.11.808
Abstract
The effect of the strength coefficient (
K
B
) of bainite on micromechanical deformation and failure behaviors of a hot-rolled 590MPa steel (590FB) during uniaxial tension was simulated using the elasto-plastic finite element method (FEM). The spatial distribution of the constituent phases was obtained using a phase identification technique based on optical.....
More
Crossref 6
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