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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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인장강도 600 MPa급 저탄소강 필렛 용접부의 저온균열과 미세조직에 따른 수소취성 민감성 및 수소확산 거동
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안형진, 이정훈, 박한지, 유재석, 정성욱, 박종민, 강남현
Korean J. Met. Mater.
2021;59(1):21-32. Published online 2021 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.1.21
Abstract
Hydrogen flowing into a weld causes hydrogen embrittlement (HE), so to prevent cold cracks in the weld, HE must be suppressed. In this study, single-pass fillet weldments were fabricated using two different welding fillers with the same strength level as the American Welding Society standard. The specimen F-HNi, which had.....
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Web of Science 8
Crossref 7
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9Cr-1Mo-V-Nb 용착금속에서 생성된 탄화물이 고온 인장강도에 미치는 영향
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문병록, 이정훈, 강남현, 이태호, 정우상, 박철규, 조경목
Korean J. Met. Mater.
2019;57(7):422-429. Published online 2019 Jun 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.7.422
Abstract
Alloy design of 9Cr-1Mo-V-Nb weld metals was carried out through thermodynamic simulation, and elevated temperature tensile testing was performed on the designed alloy. Based on the thermodynamic simulation of the 9Cr-1Mo-V-Nb weld metal, 0.09 to 0.10 wt% C was added to increase Cr-rich M
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