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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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회귀기반의 동적재료모델을 이용한 Inconel 718 합금의 고온 변형 거동 분석 및 Ring rolling 공정의 적용
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양선영, 박진욱, 윤준석, 이광석, 이동근, 신다슬
Korean J. Met. Mater.
2024;62(2):81-93. Published online 2024 Jan 30
DOI:
https://doi.org/10.3365/KJMM.2024.62.2.81
Abstract
Inconel 718 nickel-based alloy is extensively used in the aerospace industry (e.g., gas turbine engine components) because of its excellent corrosion resistance and high mechanical properties at elevated temperatures. However, there is a certain limit to manufacturing the alloy through plastic deformation due to its high deformation resistance and complicated.....
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균질화 AA 2026 합금의 고온 변형과 미세 구조 변화
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강현우, 김수빈, 장병록, 김희국
Korean J. Met. Mater.
2023;61(5):338-346. Published online 2023 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2023.61.5.338
Abstract
AA 2026 is an improved version of AA 2024, an alloy with added Zr to reduce Fe and Si content and inhibit recrystallization during hot working. Al 2026 alloy has high strength and high damage resistance, so it is widely used in aircraft parts. In this study, in order to.....
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공정지도를 이용한 AA6082 합금의 연속 동적 재결정 및 고온 변형 거동
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이상민, 이지운, 최현진, 현승균
Korean J. Met. Mater.
2016;54(11):793-801. Published online 2016 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.11.793
Abstract
Torsion tests were performed on AA6082 samples to investigate their flow softening behavior and to determine optimum process conditions. Based on the experimental data and dynamic materials model, high strain processing maps were established which demonstrate the constitutive relationships among temperature, strain rate, strain and stress. The flow curves exhibited.....
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