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Effect of Molybdenum on the Mechanical and Corrosion Properties of Ti-xMo-2Fe Beta Alloys
Ti-xMo-2Fe 베타계 타이타늄 합금의 기계적 특성 및 부식 특성에 미치는 Mo의 영향 평가
Jeong-Yeon Park, Jae-Gwan Lee, Yong-Jae Lee, Dong-Geun Lee
박정연, 이재관, 이용재, 이동근
Korean J. Met. Mater. 2024;62(2):125-131.   Published online 2024 Jan 30
DOI: https://doi.org/10.3365/KJMM.2024.62.2.125

Abstract
Titanium alloys are currently used in offshore industries. The titanium alloys used in offshore plants need to have excellent corrosion resistance and mechanical properties because offshore plants are exposed to harsh corrosive environments. At this time, the Ti-6Al-4V ELI alloy is mainly used in offshore plants because it has excellent..... More

                
Effect of Initial Microstructure on the High-Temperature Formability of STS 321 Alloy Using a Dynamic Material Model
동적재료모델을 활용한 STS 321 스테인리스강의 고온성형성 평가와 초기 미세조직의 영향
Pyeong-Seok Jo, Jae-Gwan Lee, Hyo-Woon Hwang, Yong-Jae Lee, Dong-Geun Lee
조평석, 이재관, 황효운, 이용재, 이동근
Korean J. Met. Mater. 2022;60(12):892-901.   Published online 2022 Nov 25
DOI: https://doi.org/10.3365/KJMM.2022.60.12.892

Abstract
General austenitic stainless steel has a problem with intergranular corrosion due to volatilizing chromium, which forms chromium carbide in a high temperature environment. By adding titanium as an alloying element, STS 321 stainless steel has excellent creep resistance and intergranular corrosion resistance at high temperatures, because the formation of chromium..... More

                   Web of Science 2  Crossref 2
Effects of Rotation Speed on Microstructure and Mechanical Properties in Ti/Cu Dissimilar Friction Stir Welding
Ti/Cu 이종 마찰 교반 용접 시 미세조직과 기계적 특성에 미치는 회전속도의 영향
Yong-Jae Lee, Won-Ki Jung, Se-Eun Shin, Dong-Geun Lee
이용재, 정원기, 신세은, 이동근
Korean J. Met. Mater. 2021;59(12):886-892.   Published online 2021 Nov 19
DOI: https://doi.org/10.3365/KJMM.2021.59.12.886

Abstract
The dissimilar welding of titanium and copper by fusion welding is very difficult because the melting points of the materials are very highly different and strong brittle intermetallic compounds (IMCs) can be easily produced in welded zone and heat-affected zone, etc. Friction stir welding was employed as a type of..... More

                   Web of Science 3  Crossref 4
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