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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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L-DED 공정으로 제조된 AISI 316L 스테인리스 스틸의 적층 형상 및 특성에 미치는 공정 변수의 영향
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박지영, 남현지, Qing-Ye Jin, 이욱진
Korean J. Met. Mater.
2023;61(10):760-771. Published online 2023 Sep 25
DOI:
https://doi.org/10.3365/KJMM.2023.61.10.760
Abstract
In this study, AISI 316L stainless steels were manufactured by the L-DED process with various laser scanning speeds and laser powers, in order to analyze how volumetric energy density (VED) can affect their final shape, microstructure and mechanical properties. Under various VED conditions, it was found that a higher VED.....
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분말 사출 성형된 Fe-Cr-B/316L 스테인레스강 복합재료의 미세조직과 기계적 특성에 미치는 Fe-Cr-B의 영향
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김영균, 주연아, 윤태식, 이기안
Korean J. Met. Mater.
2023;61(1):9-17. Published online 2022 Dec 28
DOI:
https://doi.org/10.3365/KJMM.2023.61.1.9
Abstract
Stainless steel-based composites (SMCs) mixed with 316L stainless steel powder and Fe-Cr-B based M alloys powder ed M) powder were manufactured using the powder injection molding (PIM) process, and their microstructure and mechanical properties were investigated. To examine the effect of M content on the properties of SMCs, the M.....
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극저온 연료탱크용 고망간강과 스테인리스강 316L 이종금속 용접부의 가스텅스텐아크 용접재료별 기계적 성질 및 미세조직
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조철호, 남성길, 유성훈, 최명환, 강남현
Korean J. Met. Mater.
2022;60(9):673-684. Published online 2022 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2022.60.9.673
Abstract
The gas tungsten arc (GTA) weldability of high-Mn (HMn) steel and austenitic stainless steel (STS) 316L using dissimilar metal welds (DMWs) was investigated, to fabricate a fuel tank for an LNG-fueled ship. Three types of welding fillers, HMn steel, STS 309LMo and Inconel 625, were applied to the DMWs. The.....
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Korean J. Met. Mater.
2022;60(1):46-52. Published online 2021 Dec 10
DOI:
https://doi.org/10.3365/KJMM.2022.60.1.46
Abstract
This study evaluated changes in delta-ferrite content depending on the preheating of AISI 316L stainless steel. We also determined the reasons for the variation in delta-ferrite content, which affects corrosion resistance. Changes in delta-ferrite content after preheating was confirmed using a Feritscope, and the microstructure was analyzed using optical microscopy.....
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Selective laser melting 공정으로 제조된 AISI 316L 합금의 상온 및 고온 압축 변형 거동
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함기수, 박순홍, 이기안
Korean J. Met. Mater.
2019;57(5):295-303. Published online 2019 May 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.5.295
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This study investigated the microstructure and compressive properties (at room & high temperatures) of Fe-Cr-Ni based AISI 316L alloy, manufactured by selective laser melting process. The effect of stress relieving heat treatment on the microstructure and mechanical properties also examined. Regardless of the stress relieving heat treatment, the SLMed AISI.....
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316L 스테인리스강에서 마르텐사이트 생성거동에 미치는 가공열처리의 영향
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김종식, 김재남, 강창룡
Korean J. Met. Mater.
2018;56(4):265-271. Published online 2018 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.4.265
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This study was carried out to investigate the effect of thermo-mechanical treatment on the formation behavior of martensite in 316L stainless steel. Dislocation, α' and ε-martensite were formed by thermo-mechanical treatment. Martensite with surface relief and specific direction was formed by thermo-mechanical treatment. Martensite formed by thermo-mechanical treatment were reversed.....
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