Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Yeon Taek Choi"'
Autor:
Renhao Wu, Soung Yeoul Ahn, Yeon Taek Choi, Hyojin Park, Man Jae SaGong, Ganesh Sattineni, Hyeonseok Kwon, Sang Guk Jeong, Gitaek Lee, Ho Hyeong Lee, Haiming Zhang, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 10, Pp 689-699 (2024)
This study delves into effects of deep cryogenic treatment (DCT) on enhancing the hydrogen embrittlement resistance of CoCrFeMnNi high-entropy alloy fabricated via laser powder-bed-fusion (L-PBF). Comparatively assessing as-print, conventional heat t
Externí odkaz:
https://doaj.org/article/027069ea757a415fa9adb6a14b799acf
Autor:
Rae Eon Kim, Gang Hee Gu, Jeong Ah Lee, Yeon Taek Choi, Hyojin Park, Jaehun Kim, Min Hong Seo, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 8, Pp 606-615 (2024)
High-strength materials are essential for applications in the structural industry. However, their limited formability restricts broader industrial use. This study proposes a novel methodology to achieve an excellent combination of formability and str
Externí odkaz:
https://doaj.org/article/0a9418719829463fae8fc0d27aa15a62
Autor:
Yeon Taek Choi, Jihye Kwon, Hyungu Kang, Minu Kim, Ki Jong Kim, Jae Min Lee, Hae-Won Cheong, Sunghak Lee, Hyoung Seop Kim
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6154-6162 (2024)
This study aimed to develop a structural analysis method to replace and validate large-scale gas gun tests for evaluating the impact resistance of electronic equipment. By measuring projectile's deceleration through experiments and simulations, stres
Externí odkaz:
https://doaj.org/article/509fff8e3b214140a4a82479f0c8bf33
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 1758-1767 (2024)
This study investigated toughness properties of FCC-based Fe45Co30Cr10V10Ni5-xMnx high entropy alloys (HEAs). Ductile-dimpled rupture mode in all alloys and test temperatures complicated precise explanations on Charpy impact energy, but the instrumen
Externí odkaz:
https://doaj.org/article/ee63902c9a38432ca321c1abe9df3089
Autor:
Jiajia Shen, Yeon Taek Choi, Rita Gonçalves, Norbert Schell, Jin Yang, Zhi Zeng, Ana Catarina Baptista, Hyoung Seop Kim, J.P. Oliveira
Publikováno v:
Materials & Design, Vol 242, Iss , Pp 112996- (2024)
Weldability plays a crucial role in the journey of high entropy alloys towards their engineering applications. In this study, gas metal arc welding was performed to join an as-rolled CoCrFeMnNi high entropy alloy using Monel 400 as the filler wire. T
Externí odkaz:
https://doaj.org/article/ff015cdd326b4073bc248a44f6a8f3fb
Publikováno v:
Materials Research Letters, Vol 12, Iss 1, Pp 50-57 (2024)
This study investigates microstructural changes and the presence of multiple stages in strain hardening ratio (SHR) resulting from the sequential occurrence of deformation-induced martensitic transformation (DIMT) during the tensile deformation of an
Externí odkaz:
https://doaj.org/article/1dd0bb7e79744c608c681bd8b48c33d9
Autor:
Rae Eon Kim, Gang Hee Gu, Hyeonseok Kwon, Soung Yeoul Ahn, Jihye Kwon, Jeong Ah Lee, Yeon Taek Choi, Min Hong Seo, Hyoung Seop Kim
Publikováno v:
Journal of Materials Research and Technology, Vol 21, Iss , Pp 3514-3525 (2022)
The configurational design of heterostructures has received considerable attention to achieve a superior combination of strength and ductility. Although heterostructuring for enhanced tensile properties has been widely analyzed, studies on the effect
Externí odkaz:
https://doaj.org/article/7dde947d556d45cf9590a3e99ed2697d
Autor:
Jeong Ah Lee, Jaejung Park, Yeon Taek Choi, Rae Eon Kim, Jaimyun Jung, Seungchul Lee, Min Hong Seo, Hyoung Seop Kim
Publikováno v:
Journal of Materials Science. 58:4780-4794
Publikováno v:
Metals and Materials International. 29:1607-1613
Autor:
Tae Jin Jang, You Na Lee, Yuji Ikeda, Fritz Körmann, Ju-Hyun Baek, Hyeon-Seok Do, Yeon Taek Choi, Hojun Gwon, Jin-Yoo Suh, Hyoung Seop Kim, Byeong-Joo Lee, Alireza Zargaran, Seok Su Sohn
Publikováno v:
Acta Materialia. 255:119030