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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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열간압연 공정 조건이 열간압연된 Al-Zn-Mg-Cu-Sc-Zr 합금의 미세조직과 기계적 특성에 미치는 영향
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정민경, 조수연, 이동길, 육승우, 이태호, 이수열, 김수현, 한준현
Korean J. Met. Mater.
2024;62(8):602-612. Published online 2024 Jul 31
DOI:
https://doi.org/10.3365/KJMM.2024.62.8.602
Abstract
7xxx series aluminum alloys possess extremely high cold working yield strength, which make hot working processes essential for component manufacturing. Preheating specimens before or between hot rolling processes significantly affects the mechanical properties of the hot rolled Al alloy sheets, depending on the preheating temperature and time. In this study,.....
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Al-Si 도금된 핫스탬핑 보론강의 볼트 프로젝션 용접시 예열 통전이 용융 거동에 미치는 영향
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김재훈, 전현욱, 천주용, 김재원, 김재득, 지창욱
Korean J. Met. Mater.
2021;59(12):893-903. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.893
Abstract
This study evaluated the effect of preheating on early stage melting behavior of a Al-Si coated hot stamped boron steel bolt during projection welding. A large amount of heat was generated in the early stage of projection welding. Because of the large heat generation, a rapid collapse of the projection.....
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