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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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알루미늄-아연-마그네슘 합금의 원자단위 투과전자현미경 관찰 기반 η
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석출물 성장 고찰
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김황선, 한흥남
Korean J. Met. Mater.
2024;62(8):656-661. Published online 2024 Jul 31
DOI:
https://doi.org/10.3365/KJMM.2024.62.8.656
Abstract
Aluminum-Zinc-Magnesium (Al-Zn-Mg) alloys are extensively utilized in aerospace and automotive industries because of their exceptional mechanical properties and light weight. These properties of Al-Zn-Mg alloys are significantly influenced by the morphology, distribution, and size of the precipitates within the alloy, which result from the formation of numerous nanoscale precipitates. Among.....
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Ni-based 초내열합금의 미세조직, 인장특성, δ 석출상에 미치는 열처리 온도의 영향
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송전영, 구지호, 신종호, 조원희, 이초현, 설재복, 마영화
Korean J. Met. Mater.
2024;62(1):32-38. Published online 2023 Dec 29
DOI:
https://doi.org/10.3365/KJMM.2024.62.1.32
Abstract
Here, we investigated the influence of δ-precipitate (orthorhombic D0a Ni
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Nb-ordered phase) on the room- and high-temperature tensile properties in wrought nickel-based Inconel 625 superalloys subjected to solution and aging heat treatment. Typically, solution heat-treatment temperatures in these alloys affect the solid-state precipitation of δ-phase, which governs high-temperature tensile properties. While.....
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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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C
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. Nitrogen was reduced from 0.04 to.....
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