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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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다성분계 Al-Si-Cu-Ni 합금의 미세조직적 인자와 고온강도의 상관관계에 대한 연구
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조민수, 조영희, 이정무, 김수배, 김수현, 장재일
Korean J. Met. Mater.
2022;60(7):489-501. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.489
Abstract
The elevated temperature strength of multicomponent Al-Si alloys is greatly affected by the volume fraction and the interconnectivity of hard phases formed upon solidification. In the present investigation, such influences were examined for two Al-Si-Cu-Ni alloys with different total volume fractions of hard phases. To control the microstructural features related.....
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Web of Science 2
Crossref 2
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초음파 용탕 처리 및 냉각속도가 Al-18Si-4Cu-3Ni 피스톤용 합금의 미세조직과 고온인장특성에 미치는 영향
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윤재희, 조영희, 정재길, 이정무, 박익민
Korean J. Met. Mater.
2017;55(6):396-404. Published online 2017 Jun 1
DOI:
https://doi.org/10.3365/KJMM.2017.55.6.396
Abstract
The influence of ultrasonic melt treatment (UST) combined with a change in cooling rates on the microstructure and elevated temperature mechanical properties of a hypereutectic Al-18Si-4Cu-3Ni piston alloy was investigated. Microstructural observation confirmed that UST effectively refined the sizes of primary Si and intermetallic compounds (e.g. ε-Al
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Ni) while promoting their.....
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Crossref 2
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초음파 용탕 처리가 Al-7Si-0.35Mg 알루미늄 합금의 미세조직 및 기계적 특성에 미치는 영향
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김수배, 조영희, 이정무, 정재길, 임수근
Korean J. Met. Mater.
2017;55(4):240-246. Published online 2017 Apr 6
DOI:
https://doi.org/10.3365/KJMM.2017.55.4.240
Abstract
The effect of ultrasonic melt treatment (UST) on the microstructure and mechanical properties of Al-7Si-0.35Mg (A356) casting alloys was investigated. The particular aim of this study was to analyze the mechanism involved in the strengthening of the A356 alloys when fabricated by UST. The UST had little effect on the.....
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Crossref 5
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