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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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다성분계 Al-Si-Cu-Ni 합금의 미세조직적 인자와 고온강도의 상관관계에 대한 연구
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조민수, 조영희, 이정무, 김수배, 김수현, 장재일
Korean J. Met. Mater.
2022;60(7):489-501. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.489
Abstract
The elevated temperature strength of multicomponent Al-Si alloys is greatly affected by the volume fraction and the interconnectivity of hard phases formed upon solidification. In the present investigation, such influences were examined for two Al-Si-Cu-Ni alloys with different total volume fractions of hard phases. To control the microstructural features related.....
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Web of Science 2
Crossref 2
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엄해원, 원주연, 신상용
Korean J. Met. Mater.
2021;59(11):781-795. Published online 2021 Oct 28
DOI:
https://doi.org/10.3365/KJMM.2021.59.11.781
Abstract
The effects of cooling rate on the microstructure and cryogenic impact toughness of coarse-grained heat-affected zone (CGHAZ) and inter-critically reheated coarse-grained HAZ (IC CGHAZ) in 9% Ni steel were investigated. CGHAZ and IC CGHAZ specimens were prepared from 9% Ni steel by controlling the cooling rate of the simulated welding.....
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냉각 방법에 따른 Argyrodite (Li
5.5
PS
4.5
Cl
1.5
)의 구조 및 이온전도성 연구
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박상원, 이진웅
Korean J. Met. Mater.
2021;59(4):247-255. Published online 2021 Mar 24
DOI:
https://doi.org/10.3365/KJMM.2021.59.4.247
Abstract
All solid-state batteries (ASSBs) are now anticipated to be an ultimate solution to the persistent safety issues of conventional lithium-ion batteries (LIBs). Contemporary society’s expanding power demands and growing energy consumption require energy storage with greater reliability, safety and capacity, which cannot be easily achieved with current state-of-the-art liquid-electrolyte-based LIBs......
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Web of Science 4
Crossref 4
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오스테나이트계 경량철강의 냉각 조건에 따른 미세조직, 기계적 특성 이해 및 대형 슬라브 내부 특성 분포 예측 연구
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김태하, 최윤석, 김경원, 박성준, 박준영, 정경재, 한흥남, 신종호
Korean J. Met. Mater.
2020;58(12):830-842. Published online 2020 Dec 4
DOI:
https://doi.org/10.3365/KJMM.2020.58.12.830
Abstract
The effects of the cooling rate, after solution heat treatment, on the microstructures and mechanical properties of Fe-22Mn-8Al-0.8C-0.02Nb (low carbon) and Fe-20Mn-8Al-1.1C-0.1Nb (high carbon) light-weight steels were systematically investigated. The cooling process was controlled to achieve six different cooling rates, ranging from -0.016 to -465.1
o
C/s. Under the slowest cooling.....
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Web of Science 3
Crossref 2
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Fe-Mn-Al-C계 경량철강의 미세조직 및 기계적 물성 변화에 미치는 냉각속도의 영향
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박준영, 박성준, 이재현, 문준오, 이태호, 정경재, 한흥남, 신종호
Korean J. Met. Mater.
2017;55(12):825-835. Published online 2017 Dec 4
DOI:
https://doi.org/10.3365/KJMM.2017.55.12.825
Abstract
The effects of cooling after solution heat treatment on the microstructure and mechanical properties of light-weight steels were investigated using Fe
-
30Mn
-
xAl
-
0.9C alloys containing 9.0–12.8 wt% Al. Lab
-
scale specimens (thickness: 10 mm) of the alloys were cooled by different cooling rates from -337 to -0.053 ℃/s using water, air, and furnace.....
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Crossref 1
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저합금강의 이중 오스테나이징 템퍼링에서 냉각 속도에 따른 미세조직 및 기계적 특성 변화
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김경후, 장재호, 김성환, 김병준, 손근용, 남대근
Korean J. Met. Mater.
2017;55(8):559-565. Published online 2017 Aug 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.8.559
Abstract
Spent nuclear fuel is stored and transported in cask bodies, but they become embrittled with the passage of time resulting in lattice defects due to neutron irradiation. Cask bodies made by the quenching and tempering (QT) treatment are not safe and are hard to store because of embrittlement caused by.....
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Crossref 1
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Ti
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Zr
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Cu
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Pd
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비정질기지 복합재의 미세조직과 기계적 특성에 미치는 냉각속도의 영향
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박선용, 임가람, 나영상, 김승언, 최윤석
Korean J. Met. Mater.
2016;54(11):802-807. Published online 2016 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.11.802
Abstract
In this paper, we demonstrate that the microstructure and mechanical properties in the Ti
40
Zr
10
Cu
36
Pd
14
alloy can be tailored by controlling the cooling rate during solidification. A lower cooling rate increases the volume fraction of crystalline phase such as B2 but decreases the free volume of the glassy matrix. The increase.....
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