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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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CMSX-4 초내열합금 용접 응고균열 거동에 미치는 단결정 성장 및 응고결정립계의 영향
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김경민, 정예선, D.V. Kiran, 권석환, 서성문, 천은준
Korean J. Met. Mater.
2024;62(1):22-31. Published online 2023 Dec 29
DOI:
https://doi.org/10.3365/KJMM.2024.62.1.22
Abstract
Single-crystal superalloys have been popularly employed in high-temperature parts of gas turbines, such as blades. However, the welds of such alloys are highly susceptible to solidification cracking, which limits their applicability to high-temperature turbine blades. In this study, the effects of characteristics of weld solidification on solidification cracking susceptibilities (solidification.....
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CAFE 모델을 사용한 니켈기 초내열합금 단결정 응고공정 해석
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정재준, 이형수, 윤대원, 정희원, 유영수, 서성문, 이재현
Korean J. Met. Mater.
2023;61(2):126-136. Published online 2023 Jan 27
DOI:
https://doi.org/10.3365/KJMM.2023.61.2.126
Abstract
The efficiency of gas turbines depends on the gas turbine working temperature. Single crystal blades are being applied more often than equiaxed blades in gas turbine engines, to increase the turbine inlet temperature, resulting in enhanced turbine engine efficiency. Single crystal blades endure creep conditions at high temperature better than.....
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