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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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수소가압 및 응력부식 분위기에서 스테인레스강 SS304의 수소취성균열
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최병학, 이상우, 안종기, 이진희, 임태운
Korean J. Met. Mater.
2020;58(10):653-659. Published online 2020 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.10.653
Abstract
The phenomena of hydrogen induced cracking (HIC) in 304 stainless steels was considered in a hydrogen pressure and stress corrosive atmosphere. Microstructures with chloride pits and stress corrosion cracks around the HIC were analyzed by SEM/EDS. Abnormal phase transformations induced by the hydrogen were analyzed using TEM and diffraction. In.....
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Web of Science 6
Crossref 6
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스테인리스강 SS304의 균열 형상과 에치 피트를 이용한 응력부식균열 전파 기구 해석
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최병학, 이상우, 안종기, 이진희
Korean J. Met. Mater.
2020;58(9):583-589. Published online 2020 Aug 19
DOI:
https://doi.org/10.3365/KJMM.2020.58.9.583
Abstract
Austenitic stainless steel SS304 is vulnerable to Cl atmosphere SCC (stress corrosion crack). In this study, SCC phenomena related to stress and corrosion composition were analyzed to identify the mechanism for SCC initiation and propagation in SS304. The microstructure and mechanical properties resulting from crack propagation were analyzed by OM,.....
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Web of Science 2
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Korean J. Met. Mater.
2019;57(7):405-411. Published online 2019 Jun 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.7.405
Abstract
This paper discusses a molybdenum-added alloy design for normalized pressure vessel steels, to reduce hydrogen induced cracking (HIC) and inhibit crack propagation. The change in microstructure produced by the modified alloy composition was analyzed to determine its effect on HIC characteristics. The microstructural change was observed by optical microscopy, hardness.....
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Web of Science 6
Crossref 5
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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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API X70MS 라인파이프용 강의 수소유기균열 감수성에 미치는 미세조직의 영향
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성준호, 심호섭, 박병규, 조경목
Korean J. Met. Mater.
2017;55(6):379-385. Published online 2017 Jun 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.6.379
Abstract
The resistance of hydrogen induced cracking (HIC) was investigated with different microstructures of API X70MS steel. Ferrite/acicular ferrite (F/AF), deformed ferrite/acicular ferrite, ferrite/bainite (F/B) and single acicular ferrite (AF) were obtained by thermo-mechanical controlled process (TMCP) with changing rolling and cooling conditions. HIC resistance was found to be affected by.....
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Crossref 1
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