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Room and Elevated Temperature Compressive Deformation Behavior of AISI 316L Alloy Fabricated by Selective Laser Melting Process
Selective laser melting 공정으로 제조된 AISI 316L 합금의 상온 및 고온 압축 변형 거동
Gi-Su Ham, Soon-Hong Park, Kee-Ahn Lee
함기수, 박순홍, 이기안
Korean J. Met. Mater. 2019;57(5):295-303.   Published online 2019 May 5
DOI: https://doi.org/10.3365/KJMM.2019.57.5.295

This study investigated the microstructure and compressive properties (at room & high temperatures) of Fe-Cr-Ni based AISI 316L alloy, manufactured by selective laser melting process. The effect of stress relieving heat treatment on the microstructure and mechanical properties also examined. Regardless of the stress relieving heat treatment, the SLMed AISI..... More

Effect of Hot Forging and Heat Treatment on the Microstructure and Mechanical Properties of Cr Steel
Cr강의 미세조직과 파괴인성에 미치는 열간단조 및 열처리 공정의 영향
Dong Jun Lee, Yong-Nam kwon, Min Suk Kim, Ga Eun Ku, Sang Hyun Heo, Nam Yong Kim, Jin-Mo Lee
이동준, 권용남, 김민석, 구가은, 허상현, 김남용, 이진모
Korean J. Met. Mater. 2018;56(3):221-226.   Published online 2018 Mar 6
DOI: https://doi.org/10.3365/KJMM.2018.56.3.221

In this study, the effects of hot forging and heat treatment (quenching and tempering) of cast Cr alloy steel on the microstructures and mechanical properties were investigated. The hot forging was performed at a compressive ratio 0.5 at 1,250 oC. The heat treatment process was quenching (860 oC for 2..... More

Evaluation of Mechanical Property for Welded Austenitic Stainless Steel 304 by Following Post Weld Heat Treatment
STS304의 후열처리에 따른 용접부 미세조직과 기계적 특성 평가
Daehan Jang, Kwangyoon Kim, Hyoung Chan Kim, Jong Bae Jeon, Dae-Geun Nam, Keun Yong Sohn, Byung Jun Kim
장대한, 김광윤, 김형찬, 전종배, 남대근, 손근용, 김병준
Korean J. Met. Mater. 2017;55(9):664-670.   Published online 2017 Aug 30
DOI: https://doi.org/10.3365/KJMM.2017.55.9.664

Austenitic stainless steels have excellent mechanical property and corrosion resistance, and are for these reasons used in demanding applications such as power plant, nuclear reactor and off-shore plant. Especially, austenitic stainless steel 304 (STS304) is mainly used as a pipe material in nuclear power plants. Submerged arc welding (SAW) is..... More

         Cited By 2
Effect of Cold Drawing and Heat Treatment on the Microstructure of Invar36 Alloy Wire
Invar 36 합금 선재의 미세조직에 미치는 냉간 인발 및 열처리 공정의 영향
Seung Youb Han, Seon Ah Jang, Hee-Chul Eun, Jung-Hoon Choi, Ki Rak Lee, Hwan Seo Park, Do-Hee Ahn, Soo Young Kim, Jea Youl Kim, Sang Yong Shin
한승엽, 장선아, 은희철, 최정훈, 이기락, 박환서, 안도희, 김수영, 김재열, 신상용
Korean J. Met. Mater. 2016;54(10):759-767.   Published online 2016 Oct 5
DOI: https://doi.org/10.3365/KJMM.2016.54.10.759

In this study, the effect of cold drawing and heat treatment on the microstructure of Invar36 alloy wire was investigated. Invar36 alloy wire is used as a transmission line core material, and is required to have high strength. The diameter of the Invar36 alloy wire specimens were reduced from 16..... More

         Cited By 2
Casting/Solidification/Heat Treatment
Microstructure and Mechanical Properties of Inconel 625 Alloy on Low Carbon Steel by Heat Treatment after Overlay Welding
저합금강의 인코넬 625 육성용접 후 열처리에 따른 미세조직 및 기계적 특성
Seungpil Kim, Jaeho Jang, Jungsoo Kim, Byung Jun Kim, Keun Yong Sohn, Dae-Geun Nam
김승필, 장재호, 김정수, 김병준, 손근용, 남대근
Korean J. Met. Mater. 2016;54(8):585-591.   Published online 2016 Aug 5
DOI: https://doi.org/10.3365/KJMM.2016.54.8.585
Overlay welding technique is one of methods used to improve metal mechanical properties such as strength, toughness and corrosion resistance. Generally, Inconel 625 alloy is used for overlay welding layer on low carbon steels for economic consideration. However, the method produces some problems in the microstructure of the cast structure... More
         Cited By 1

황보승 · 이홍범 · 송영범 · 함진희 · 김홍규 · 서동우

Received 2019 Mar 6     Accepted 2019 May 2     Published online 2019 May 16
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 also... More
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