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Microstructure and Mechanical Properties of Vacuum Centrifugal Casted Ti-6Al-4V Alloy by Casting and Heat Treatment
진공 원심 주조된 Ti-6Al-4V 합금의 주조 및 열처리에 따른 미세조직과 기계적 특성
Hyun-Woo Lee, Byeong-Ook Kong, Seung Eon Kim, Yunkon Joo, Sukhyun Yoon, Je Hyun Lee
이현우, 공병욱, 김승언, 주윤곤, 윤석현, 이재현
Korean J. Met. Mater. 2022;60(4):282-290.   Published online 2022 Mar 28
DOI: https://doi.org/10.3365/KJMM.2022.60.4.282

Abstract
The Ti-6Al-4V alloy has been widely used for structural materials due to high specific strength property, however it is difficult to cast because of high reactivity at high temperature. In this study casting characteristics and post-casting heat treatment were studied in the cast Ti alloy. The cast alloy was prepared..... More

                           Cited By 1
Effect of Microstructure Control on the Mechanical Properties of Hot Worked TiAl Alloy
열간가공된 TiAl 합금의 미세조직 제어가 기계적 특성에 미치는 영향
Jong-hun Kim, Jae-Kwon Kim, Seong-Woong Kim, Yong-Ho Park, Seung Eon Kim
김종훈, 김재권, 김성웅, 박용호, 김승언
Korean J. Met. Mater. 2020;58(7):459-465.   Published online 2020 Jul 5
DOI: https://doi.org/10.3365/KJMM.2020.58.7.459

Abstract
The microstructure and mechanical properties of a newly developed, β-phase containing TiAl alloy have been studied through hot working and post heat treatment to enhance room temperature ductility and strength. The controlled microstructures hadthree types of structure, fully lamellar, nearly lamellar and duplex, and were produced by cyclic heat-treatment in..... More

                           Cited By 2
Metastable Phase Transformation of Beta Titanium Alloys by Slip Mechanism
베타 타이타늄 합금의 슬립기구에 의한 준안정 상변태
Byung Hak Choe, Hyeon Su Jang, Bum Kyu Lee, Ka Ram Lim, Young Sang Na, Yong Taek Hyun, Seung Eon Kim, Young Uk Kim, Chan Sung Park
최병학, 장현수, 이범규, 임가람, 나영상, 현용택, 김승언, 김영욱, 박찬성
Korean J. Met. Mater. 2017;55(7):453-459.   Published online 2017 Jul 4
DOI: https://doi.org/10.3365/KJMM.2017.55.7.453

Abstract
Extensive studies of the metastable structures in beta Ti alloys have investigated the ambiguity of the unstable phase. Their microstructural characteristics have been observed to have a modulated structure, and spot satellites of diffraction in TEM, however the formation mechanisms have not been successfully interpreted because of the resolution limit..... More

         Cited By 2
Effect of Aging Time and Temperature on Microstructure and Mechanical Properties of Ti-39Nb-6Zr Alloy
Ti-39Nb-6Zr 합금의 시효처리를 통한 미세조직 및 기계적 특성 제어
Hyun Jun Kwon, Ka Ram Lim, Yong Tae Lee, Dong Geun Lee, Jun Hee Lee, Seung Eon Kim
권현준, 임가람, 이용태, 이동근, 이준희, 김승언
Korean J. Met. Mater. 2016;54(12):925-930.   Published online 2016 Dec 5
DOI: https://doi.org/10.3365/KJMM.2016.54.12.925

Abstract
The aim of this study is to optimize the microstructure and mechanical properties of Ti-39Nb-6Zr (TNZ40) for bio-implant applications. TNZ40 was designed to have a low elastic modulus (~40 GPa) and good biocompatibility. However, the alloy shows relatively low strength compared to other titanium alloys for bio-implant. In the present..... More

         Cited By 4
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