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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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유한요소해석을 이용한 AA1100의 변형 불균일성에 미치는 다축 단조 유형의 영향 연구
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김민성, 김정균, 유태현, 조유연, 이성, 정효태, 최시훈
Korean J. Met. Mater.
2021;59(9):624-639. Published online 2021 Aug 4
DOI:
https://doi.org/10.3365/KJMM.2021.59.9.624
Abstract
The effect of 3 forging routes (
Route A
- 1~12 passes by plane forging (PF) and reverse-plane forging (R-PF),
Route B
– 1~6 passes by PF and R-PF, 7~12 passes by diagonal forging (DF) and reversediagonal forging (R-DF),
Route C
– 1~12 passes by DF and R-DF) on maximum load.....
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Web of Science 6
Crossref 6
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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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유한요소해석을 이용한 AA1100의 다축 단조와 다축대각 단조의 비교
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정효태, 김민성, 권상철, 김순태, 이성, 최시훈
Korean J. Met. Mater.
2019;57(1):18-27. Published online 2018 Dec 14
DOI:
https://doi.org/10.3365/KJMM.2019.57.1.18
Abstract
The effect that forging routes (3 routes, A-C) exert on the development of deformation heterogeneity in AA1100 was theoretically performed using finite element analysis. Route A corresponded to a forging process that involved from 1 to 6 passes through multi-axial diagonal forging (MADF); Route B corresponded to a forging process.....
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Web of Science 4
Crossref 4
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Mod. 9Cr-1Mo강 LB 및 GTA 용접부 열이력에 따른 δ 페라이트 생성거동
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정남훈, 안장호, 이명진, 강남현, 조경목
Korean J. Met. Mater.
2018;56(2):93-102. Published online 2018 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.2.93
Abstract
The toughness and creep strength of Mod. 9Cr-1Mo steel, a ferritic heat resistant steel, are closely related to the amount of delta ferrite remaining in the weld. This study compared the amount of retained δ ferrite in the laser beam (LB) weld with low heat input and the gas tungsten.....
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Korean J. Met. Mater.
2017;55(10):710-715. Published online 2017 Sep 28
DOI:
https://doi.org/10.3365/KJMM.2017.55.10.710
Abstract
Interstitial free (IF) steel disks were subjected to various degrees of revolution during application of the high-pressure torsion (HPT) process, and the resulting distributions of hardness and microstructure during the early torsion stage of high-pressure torsion (HPT) were investigated using experimental and simulation approaches. The results indicated that the deformation.....
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Korean J. Met. Mater.
2016;54(11):831-837. Published online 2016 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.11.831
Abstract
Herein, we report the results of our investigation on the effect of friction and anvil design on the heterogeneous plastic-deformation characteristics of copper during the compressive stage of high-pressure torsion (HPT), using the finite element method. The results indicate that the friction and anvil geometry play important roles in the.....
More
Crossref 3
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