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Jeki Jung 3 Articles
132 Effect of Solution Temperature and Quench Delay on the Microstructure and Mechanical Properties of an Extruded Al-Mg-Si-Cu-Mn alloy
Al-Mg-Si-Cu-Mn 합금 압출재의 미세조직 및 기계적 성질에 미치는 용체화 온도와 퀜칭 지연의 영향
Jisu Kim, Jeki Jung, Hyun-Seok Cheon, Byung-joo Kim, Cha-Yong Lim, Su-Hyeon Kim, Yoon Suk Choi
김지수, 정제기, 천현석, 김병주, 임차용, 김수현, 최윤석
Korean J. Met. Mater. 2024;62(2):132-141.   Published online 2024 Jan 30
DOI: https://doi.org/10.3365/KJMM.2024.62.2.132

Abstract
The effect of solution temperature and quench delay on the microstructure and mechanical properties of an extruded Al-Mg-Si-Cu-Mn alloy was investigated by employing differential scanning calorimetry, transmission electron microscopy, hardness test, and tensile test. The extruded specimens were held at 500 and 540 oC, respectively, for 80 min for solutionizing..... More

                
7 Effect of Heat Treatment on Mechanical Properties and Energy Absorption Capacity of 7003 Aluminum Alloy
7003 알루미늄 합금의 기계적 성질 및 에너지 흡수능에 미치는 열처리 조건의 영향
Hee-Ju Kim, Jeki Jung, Su-Hyeon Kim, Cha-Yong Lim, Yoon Suk Choi
김희주, 정제기, 김수현, 임차용, 최윤석
Korean J. Met. Mater. 2020;58(1):7-16.   Published online 2019 Dec 12
DOI: https://doi.org/10.3365/KJMM.2020.58.1.7

Abstract
The effects of heat treatment conditions on the mechanical properties and energy absorption capacity of 7003 (Al-6Zn-0.6Mg) aluminum alloy were studied. The extruded material was heat treated at various temperatures to prepare annealed or aged specimens. Tensile tests, hardness measurements, electron backscatter diffraction characterizations, and differential scanning calorimeter analyses were..... More

                   Web of Science 6  Crossref 6
888 Effects of Solution and Aging Treatments on the Microstructure and Mechanical Properties of Al-5.2Si-3.4Cu-0.28Mg Alloy
Al-5.2Si-3.4Cu-0.28Mg 합금의 미세조직 및 기계적 특성에 미치는 용체화 및 시효 열처리의 영향
Yi Je Cho, Jeki Jung, Yong Ho Park
조의제, 정제기, 박용호
Korean J. Met. Mater. 2017;55(12):888-895.   Published online 2017 Dec 4
DOI: https://doi.org/10.3365/KJMM.2017.55.12.888

Abstract
Since strength and ductility have a trade-off relationship in Al alloys, controlling these properties using heat treatments requires careful attention to the dissolution and evolution of the reinforcing phases. In this study, the effects of solution and aging treatments on the microstructure and mechanical properties of Al-5.2Si-3.4Cu-0.28Mg alloy were investigated...... More

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