Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Woo-Chun Choi"'
Publikováno v:
Polymers, Vol 16, Iss 6, p 750 (2024)
This study investigates the secondary bonding of aircraft skin/stiffener assemblies using press conduction welding with carbon fiber/polyetherketoneketone thermoplastic composites and polyetherimide adhesive. Recognizing the challenges posed by conve
Externí odkaz:
https://doaj.org/article/490989857b654efa8acab9ebb3d3d6d7
Autor:
Byeong-Yeol Choi, Seong-Je Park, Yong Son, Seung-Jun Han, Hyung-Giun Kim, Il-Hyuk Ahn, Woo-Chun Choi
Publikováno v:
Applied Sciences, Vol 12, Iss 23, p 12240 (2022)
Material extrusion (ME) using a filament including metal powders has recently attracted considerable attention because it allows the production of metal parts at low cost. However, like other additive manufacturing processes, metal ME suffers from th
Externí odkaz:
https://doaj.org/article/6023062a95e74b21a9e5e05d4dbbaabb
Autor:
Yoon Keon Kim, Woo Chun Choi
Publikováno v:
Defence Technology, Vol 17, Iss 4, Pp 1486-1495 (2021)
The debris from exploded buildings can ricochet after colliding with the ground, thus increasing the debris travel distance and danger from any associated impacts or collisions. To reduce this danger, the travel distance of ricocheted debris must be
Externí odkaz:
https://doaj.org/article/e6c9bcc68b0641929ab6f8d202530648
Autor:
Yoon Keon Kim, Woo Chun Choi
Publikováno v:
Advances in Mechanical Engineering, Vol 12 (2020)
The explosion of a building generates plenty of debris that flies far away. The flying debris is hazardous because it contains large amounts of kinetic energy. Therefore, determining the safety distance from the debris is essential. However, debris r
Externí odkaz:
https://doaj.org/article/7d120d61403e43e4badb9ea1f8af8f61
Publikováno v:
Journal of the Korean Society for Precision Engineering. 39:461-467
Autor:
Joon Jang, Woo Chun Choi
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 23:627-638
Publikováno v:
Modern Physics Letters B.
High-performance poly-ether-ketone-ketone (PEKK) thermoplastic (TP) composites, which are beginning to gain interest in the aerospace industry, require a joining procedure to integrate the individual parts. Amorphous TP bonding has been recently prop
Autor:
Woo Chun Choi, Yoon Keon Kim
Publikováno v:
Defence Technology, Vol 17, Iss 4, Pp 1486-1495 (2021)
The debris from exploded buildings can ricochet after colliding with the ground, thus increasing the debris travel distance and danger from any associated impacts or collisions. To reduce this danger, the travel distance of ricocheted debris must be
Autor:
Joon Jang, Woo Chun Choi
Publikováno v:
Mechanical Sciences, Vol 12, Pp 51-57 (2021)
Non-circular grinding is used in the grinding of crankshafts. In contrast to general grinding, the precision in non-circular grinding is affected by torsional deformation, which results in errors in the grinding depth. In this study, an equation to d
Autor:
Woo Chun Choi, Yoon Keon Kim
Publikováno v:
Journal of the Korean Society for Precision Engineering. 37:209-216