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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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과공정 Al-15wt.%Si 합금의 Primary Si 미세화와 인장 및 피로 특성에 미치는 EMS 공정의 영향
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백민석, 강태훈, 김종호, 박준표, 어광준, 이기안
Korean J. Met. Mater.
2022;60(5):360-369. Published online 2022 Apr 22
DOI:
https://doi.org/10.3365/KJMM.2022.60.5.360
Abstract
This study investigated the effect of the electromagnetic stirring (EMS) process on the microstructure and mechanical properties of hyper-eutectic Al-15 wt.%Si alloy. The tensile and high-cycle fatigue properties of the EMS Al-15wt.%Si alloy were examined and compared with conventional direct chill (DC) cast alloy. The initial microstructure of the as-cast.....
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Web of Science 1
Crossref 2
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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 7
Crossref 5
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Korean J. Met. Mater.
2018;56(9):645-651. Published online 2018 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.9.645
Abstract
In the present study, a choline chloride(ChCl)-based ionic liquid(IL) was used as an electrolyte to confirm the characteristics of electroless tin plating. The effect of the type of additive and reducing agent, as well as the addition of complexing agent and water, on the properties of the ChCl-based IL, including.....
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Crossref 4
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회주철 브레이크 디스크의 미세조직이 브레이크 떨림에 미치는 영향 연구
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정민균, 이재영, 최진용, 김윤철, 김성진
Korean J. Met. Mater.
2017;55(10):689-694. Published online 2017 Sep 28
DOI:
https://doi.org/10.3365/KJMM.2017.55.10.689
Abstract
Brake judder is a kind of low-frequency brake vibration and noise phenomenon generated during braking. Various types of judder have been reported, depending on the particular generation mechanism. However, the correlation between the microstructure of gray iron brake discs and judder has seldom been discussed in the literature. In this.....
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Cu가 첨가된 Zn-Al 합금에서 일방향응고 및 냉간인발에 따른 기계적 특성 향상
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정해창, 김민수, 안지혁, 임성환, 한승전, 이재현, 김광호
Korean J. Met. Mater.
2017;55(8):529-536. Published online 2017 Aug 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.8.529
Abstract
The lamellar structure of two phases, the Zn-rich and Al-rich phases, is formed in a Zn-5 wt% Al eutectic alloy. In order to study the effect of microstructural changes on the tensile properties of eutectic Zn-Al binary alloy, Zn-Al and Zn-Al-Cu alloys were directionally solidified at a growth rate of.....
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초음파 용탕 처리 및 냉각속도가 Al-18Si-4Cu-3Ni 피스톤용 합금의 미세조직과 고온인장특성에 미치는 영향
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윤재희, 조영희, 정재길, 이정무, 박익민
Korean J. Met. Mater.
2017;55(6):396-404. Published online 2017 Jun 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.6.396
Abstract
The influence of ultrasonic melt treatment (UST) combined with a change in cooling rates on the microstructure and elevated temperature mechanical properties of a hypereutectic Al-18Si-4Cu-3Ni piston alloy was investigated. Microstructural observation confirmed that UST effectively refined the sizes of primary Si and intermetallic compounds (e.g. ε-Al
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Ni) while promoting their.....
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Crossref 2
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초음파 용탕 처리가 Al-7Si-0.35Mg 알루미늄 합금의 미세조직 및 기계적 특성에 미치는 영향
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김수배, 조영희, 이정무, 정재길, 임수근
Korean J. Met. Mater.
2017;55(4):240-246. Published online 2017 Apr 6
DOI:
https://doi.org/10.3365/KJMM.2017.55.4.240
Abstract
The effect of ultrasonic melt treatment (UST) on the microstructure and mechanical properties of Al-7Si-0.35Mg (A356) casting alloys was investigated. The particular aim of this study was to analyze the mechanism involved in the strengthening of the A356 alloys when fabricated by UST. The UST had little effect on the.....
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Crossref 5
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