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Influence of Carbon Content and Isothermal Heat Treatment Temperature on the Microstructure and Mechanical Properties of Ultra-High Strength Bainitic Steels
초고강도 베이나이트강의 미세조직과 기계적 성질에 미치는 탄소함량과 항온열처리 온도의 영향
Seung Hwangbo, Hong-Bum Lee, Young-Beum Song, Jinhee Ham, Hong-Kyu Kim, Dong-Woo Suh
황보승, 이홍범, 송영범, 함진희, 김홍규, 서동우
Korean J. Met. Mater. 2019;57(6):335-342.   Published online 2019 May 16
DOI: https://doi.org/10.3365/KJMM.2019.57.6.335

Abstract
The effect of carbon content and isothermal heat treatment conditions on the microstructure evolution and mechanical properties of ultra-high strength bainitic steels was investigated. A reduction in carbon content from 0.8 wt% to 0.6 wt% in super-bainite steel with typical chemistry effectively improved not only the Charpy impact toughness but..... More

                        
Enhanced Mechanical Properties by Directional Solidification and Cold Drawing in Cu Added Zn-Al Alloys
Cu가 첨가된 Zn-Al 합금에서 일방향응고 및 냉간인발에 따른 기계적 특성 향상
Hae Chang Jeong, Min Soo Kim, Jee Hyuk Ahn, Sung Hwan Lim, Seung Zeon Han, Jehyun Lee, Kwang Ho Kim
정해창, 김민수, 안지혁, 임성환, 한승전, 이재현, 김광호
Korean J. Met. Mater. 2017;55(8):529-536.   Published online 2017 Aug 1
DOI: https://doi.org/10.3365/KJMM.2017.55.8.529

Abstract
The lamellar structure of two phases, the Zn-rich and Al-rich phases, is formed in a Zn-5 wt% Al eutectic alloy. In order to study the effect of microstructural changes on the tensile properties of eutectic Zn-Al binary alloy, Zn-Al and Zn-Al-Cu alloys were directionally solidified at a growth rate of..... More

      
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