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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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단결정 초내열합금에서 HIP 처리가 크리프 특성에 미치는 영향
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원영완, 구지호, 이재현
Korean J. Met. Mater.
2024;62(10):766-776. Published online 2024 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2024.62.10.766
Abstract
The Rene N5 is a second-generation single crystal superalloy containing 3wt% Re, commonly used in gas turbine blades for power generation at temperatures up to 1600°C due to its excellent creep life. Generally, single crystal (SX) and directionally solidified (DS) blades are not applied to hot isostatic pressing (HIP) because.....
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Alloy 738 초내열합금 4 mm 두께 각관의 정밀주조 시 수축공 및 수축변위 해석 및 분석
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박명일, 김경민, 이영철, 이정석, 이재현, 유재현, 박상후, 최윤석
Korean J. Met. Mater.
2017;55(2):132-138. Published online 2017 Feb 2
DOI:
https://doi.org/10.3365/KJMM.2017.55.2.132
Abstract
Investment casting for the thin (4 mm thick) rectangular tube (40 mm wide, 80 mm high and 200 mm long) was carried out numerically and experimentally for Alloy 738, which is a precipitation-hardened Ni-base superalloy. Two types of rectangular tubes, one with a regular array (10 mm by 10 mm.....
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