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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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AZ31, Al5052, Cu 미세조직이 전자파 차폐 효과에 미치는 영향
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김경택, 김성제, 강민혁, 이상봉
Korean J. Met. Mater.
2025;63(3):224-230. Published online 2025 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2025.63.3.224
Abstract
With the widespread use of electronic devices in the telecommunications industry, exposure to electromagnetic waves has largely increased in the last decades. In addition to concerns about heath issues caused by an accumulative exposure to electromagnetic waves, electromagnetic interference causes malfunctions in complex electronic devices and degrades signal quality. The.....
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인공시효 온도가 자연시효된 Al-Si-Mg 합금의 T6 거동에 미치는 영향
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손현우, 정재은, 조영희, 김수배, 이정무
Korean J. Met. Mater.
2025;63(3):197-202. Published online 2025 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2025.63.3.197
Abstract
The artificial aging behavior of Al-Si-Mg alloy naturally aged for 1 hour and 7 days at room temperature was analyzed using hardness, DSC and TEM. The Al-Si-Mg alloy naturally aged for 7 days at room temperature showed a decrease in maximum hardness during artificial aging at 160
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C compared to the.....
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{10-12} 쌍정이 저온 시효 중 Mg-8Al-0.5Zn 합금 압출재의 석출거동에 미치는 영향
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김현지, 김예진, 박성혁
Korean J. Met. Mater.
2024;62(8):662-671. Published online 2024 Jul 31
DOI:
https://doi.org/10.3365/KJMM.2024.62.8.662
Abstract
This study investigates the influence of {10–12} twins on the aging behavior of an extruded Mg–8Al–0.5Zn (AZ80) alloy during aging at 150 °C. The extruded AZ80 alloy is subjected to a compressive strain of 6% along the transverse direction and is subsequently aged at 150 °C. The sample with {10–12}.....
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Web of Science 1
Crossref 1
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알루미늄-아연-마그네슘 합금의 원자단위 투과전자현미경 관찰 기반 η
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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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Al-Si-Mg합금에서 Mg함량과 주조응고 후 냉각속도가 T5 처리시 기계적 특성에 미치는 영향
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손현우, 구태민, 조영희, 이정무
Korean J. Met. Mater.
2023;61(7):472-479. Published online 2023 Jun 21
DOI:
https://doi.org/10.3365/KJMM.2023.61.7.472
Abstract
The effects of Mg content and cooling rate on the T5 treatment of Al-Si-Mg alloys have been investigated using Avrami kinetics and transmission electron microscopy. The alloys were super-heated at 800
o
C for 1 hr followed by degassing treatment at 720
o
C for 15 min, and poured into a metallic.....
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Web of Science 8
Crossref 8
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염수환경 내 Zn-Al-Mg 합금도금강재의 공정조직 부식거동
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이재원, 오세영, 박보라, 오민석, 김성진
Korean J. Met. Mater.
2020;58(9):610-616. Published online 2020 Aug 19
DOI:
https://doi.org/10.3365/KJMM.2020.58.9.610
Abstract
To clearly understand the effect of the eutectic structure in the Zn-Al-Mg alloy coating on the corrosion behaviors in chloride containing aqueous environments, a bulk Zn-MgZn
2
sample was fabricated by diffusion bonding process, and a variety of experiments, such as electrochemical polarization and galvanic corrosion measurements, salt spray tests, and.....
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Web of Science 10
Crossref 8
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7003 알루미늄 합금의 기계적 성질 및 에너지 흡수능에 미치는 열처리 조건의 영향
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김희주, 정제기, 김수현, 임차용, 최윤석
Korean J. Met. Mater.
2020;58(1):7-16. Published online 2019 Dec 12
DOI:
https://doi.org/10.3365/KJMM.2020.58.1.7
Abstract
The effects of heat treatment conditions on the mechanical properties and energy absorption capacity of 7003 (Al-6Zn-0.6Mg) aluminum alloy were studied. The extruded material was heat treated at various temperatures to prepare annealed or aged specimens. Tensile tests, hardness measurements, electron backscatter diffraction characterizations, and differential scanning calorimeter analyses were.....
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Web of Science 6
Crossref 6
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비기저면 집합조직을 가지는 마그네슘 합금의 고속압연 온도 변화에 따른 압연재 미세조직 변화
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이수진, 김예진, 이정훈, 박성혁
Korean J. Met. Mater.
2019;57(8):482-490. Published online 2019 Jul 4
DOI:
https://doi.org/10.3365/KJMM.2019.57.8.482
Abstract
In this study, the effects of rolling temperature on the microstructural characteristics of a highspeed-rolled Mg alloy with a non-basal texture were investigated. To this end, commercial AZ31 alloy samples in which the basal poles of most grains were tilted at an angle of 45° from the normal direction (ND).....
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Web of Science 4
Crossref 5
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Korean J. Met. Mater.
2018;56(7):524-531. Published online 2018 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.7.524
Abstract
To improve the hydrogen uptake and release properties of magnesium (Mg), five weight percent of graphene was added to pre-milled Mg by milling in hydrogen (reaction-involving milling). The hydrogen uptake and release properties of the graphene-added Mg (named Mg-5graphene) were investigated. Premilling of Mg (for 24 h) and then adding.....
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Crossref 10
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물유리계 바인더의 첨가제가 Al-Si7Mg 합금 주조 시 소착에 미치는 영향
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배민아, 김명환, 박정욱, 이만식
Korean J. Met. Mater.
2018;56(4):327-333. Published online 2018 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.4.327
Abstract
Traditional organic binders used by the foundry industry produce problems such as generation of volatile organic compounds(VOCs), smoke and etc. A water glass binder system has been developed to improve the casting strength and to solve the environmental problems. However the water glass binder has a serious problem of sand.....
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Crossref 3
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Korean J. Met. Mater.
2016;54(12):916-924. Published online 2016 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.12.916
Abstract
In this work, niobium (V) fluoride was selected as an additive to heighten the hydrogen sorption rates of Mg. Specimens of pure Mg, 5 wt% niobium fluoride－added Mg, and 10 wt% niobium fluoride-added Mg were prepared by planetary ball milling in hydrogen. The hydrogen sorption properties of the specimens were.....
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Crossref 5
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