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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Ti-12.1Mo-1Fe 준안정 베타 합금의 변형 거동에 대한 변형률 속도의 영향
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진인경, 이동근
Korean J. Met. Mater.
2023;61(10):741-747. Published online 2023 Sep 25
DOI:
https://doi.org/10.3365/KJMM.2023.61.10.741
Abstract
The addition of expensive elements to β titanium alloys, which are widely used in the aerospace and automobile industries, causes their price to increase. Low-cost, high-strength alloy (Ti-12.1Mo-1.0Fe) was designed in this study and the compressive behaviors of this alloy were evaluated for application to automobile parts, etc. As a.....
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DIC를 활용한 선압축과 후열처리 공정을 거친 AZ31 마그네슘 압연재의 인장 변형 거동 분석
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이교명, 김정은, 박성혁
Korean J. Met. Mater.
2022;60(9):701-712. Published online 2022 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2022.60.9.701
Abstract
This study investigates the effects of precompression and subsequent annealing on the tensile deformation behavior of a rolled AZ31 Mg alloy at room temperature using digital image correlation (DIC). When the as-rolled sample (AR sample) is subjected to precompresssion along the rolling direction (RD) and transverse direction (TD), the sample’s.....
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Web of Science 1
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초탄성 티타늄 합금의 인장 변형거동 고찰
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정혜진, 르우비엣띠엔, 정용하, 홍성태, 한흥남
Korean J. Met. Mater.
2020;58(3):162-168. Published online 2020 Mar 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.162
Abstract
A superelastic titanium alloy was subjected to uniaxial tensile deformation at room temperature. The microstructural evolution and deformation mechanisms of the superelastic titanium alloy were investigated by electron backscatter diffraction (EBSD) and X-ray diffraction (XRD). Multiple deformation mechanisms including stress-induced martensitic transformation (SIMT), dislocation slip, {332}<113> and {112}<111> mechanical twinning.....
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Web of Science 5
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CoCrFeMnNi 고엔트로피합금 주조재의 미세조직 및 기계적 특성
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강민주, 원종우, 임가람, 박상협, 서성문, 나영상
Korean J. Met. Mater.
2017;55(10):732-738. Published online 2017 Sep 28
DOI:
https://doi.org/10.3365/KJMM.2017.55.10.732
Abstract
In this study, we made large-scale ingots of CoCrFeMnNi high entropy alloy by vacuum induction melting. The as-cast CoCrFeMnNi high entropy alloy contained a high proportion of columnar structures with a few equiaxed grains, and showed single phase fcc solid solutions without macro segregation and low interstitial levels. The tensile.....
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연강에서 상온 변형 기구에 미치는 냉각 속도의 영향
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김성수, 이윤상, 김영석
Korean J. Met. Mater.
2016;54(12):875-884. Published online 2016 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.12.875
Abstract
The deformation mechanism at room temperature in water quenched (WQ) and furnace cooled (FC) mild steels was investigated in a plane tilted 45° from the tensile direction, using electron back scattered diffraction, XRD, and TEM. The occurrence of (211) twinning was confirmed by pole figures and the slip systems were.....
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Materials Analysis & Characterization
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미세쌍정의 투과전자현미경 해석
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류근걸, 하미영, 이강득
Korean J. Met. Mater.
2016;54(9):711-715. Published online 2016 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.9.711
Abstract
Micro-twinning has been investigated in some state-of-the-art materials by transmission electron microscopy, but such characterizations have not been clear so far. Micro-twins must be characterized by identifying their spots in the electron diffraction pattern, which is very unique compared to normal defects such as dislocations or stacking.....
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Crossref 2
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