Zobrazeno 1 - 10
of 563
pro vyhledávání: '"In-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
Publikováno v:
Defence Technology, Vol 36, Iss , Pp 95-104 (2024)
Swarm robot systems are an important application of autonomous unmanned surface vehicles on water surfaces. For monitoring natural environments and conducting security activities within a certain range using a surface vehicle, the swarm robot system
Externí odkaz:
https://doaj.org/article/f5c00ed0e60f4ecbadb872f0d4260d5d
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
Publikováno v:
Food Chemistry: X, Vol 22, Iss , Pp 101368- (2024)
Distilled soju, a Korean traditional alcoholic beverage, is produced by fermenting rice with a variety of microorganisms including molds, yeasts, and lactic acid-producing bacteria, followed by distillation. Our study sought to improve the quality of
Externí odkaz:
https://doaj.org/article/c53b640f63c249c1ad57f5c55e1cb299
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:
IEEE Access, Vol 12, Pp 16549-16558 (2024)
As drone intrusions into important facilities have increased, research on drone countermeasures has been conducted to counter drones. In this study, we developed a reinforcement learning (RL)-based counter fixed-wing drone system that can respond to
Externí odkaz:
https://doaj.org/article/2741c2a6a33d460799de5045f11bd01d
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:
Shen, Jiajia, Taek Choi, Yeon, Gonçalves, Rita, Schell, Norbert, Yang, Jin, Zeng, Zhi, Catarina Baptista, Ana, Seop Kim, Hyoung, Oliveira, J.P.
Publikováno v:
In Materials & Design June 2024 242