Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Seungjin Nam"'
Autor:
Young Mok Kim, Tae Jin Jang, Donghyeon Chae, Boryung Yoo, Sang-Ho Oh, Hyungjo Seo, Seungjin Nam, Dogyun Byeon, Joungwook Kim, Byeong-Joo Lee, Pyuck-Pa Choi, Alireza Zargaran, Seok Su Sohn
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1589-1601 (2024)
In response to the persistent challenge of optimizing the tribological performance of engineered coatings without compromising material hardness, this study investigates the potential of medium-entropy CrCoNiCu alloy films. Fabricated via sputtering
Externí odkaz:
https://doaj.org/article/39143fe2b027409c94f6569ea1a706fa
Autor:
Seungjin Nam, Sungyeom Kim, Daeyoung Kim, Sungho Song, Jinkyu Lee, Hyoung Seop Kim, Hyokyung Sung, Hyunjoo Choi
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 3126-3134 (2024)
The development of thermally conductive lightweight materials holds paramount importance for optimizing heat dissipation in automobile components. This study investigated three distinct techniques for coating graphene onto 6061 Al plates: direct, alu
Externí odkaz:
https://doaj.org/article/751e95853d524f04840ed1f8cf90fb3c
Autor:
Seungjin Nam, Dagam Park, Yongwook Song, Joohak Kim, Chahee Jung, Minsang Kim, Sehoon Kim, Jonghyuk Bae, Yongsung Kwon, Jaeho Moon, Heon Kang, Seok Su Sohn, Hyunjoo Choi
Publikováno v:
Materials & Design, Vol 233, Iss , Pp 112225- (2023)
We improved the interfacial bonding strength and heat transfer performance between wrought and cast Al alloy parts by implementing an interfacial Al-Si-Zn-based alloy coating layer. An additive manufacturing (AM)-based combinatorial experiment was em
Externí odkaz:
https://doaj.org/article/e39cc5ef21594affaa2d8c3f191ea282
Autor:
Seungjin Nam, Sang Jun Kim, Kook Noh Yoon, Moon J. Kim, Manuel Quevedo-Lopez, Jun Yeon Hwang, Eun Soo Park, Hyunjoo Choi
Publikováno v:
Materials & Design, Vol 224, Iss , Pp 111391- (2022)
To develop alloys with high strength and reasonable ductility, CoCrFeNi-based metastable complex-concentrated alloys were designed using composition–property contour maps. The map was constructed by exploring the phase stability and mechanical beha
Externí odkaz:
https://doaj.org/article/48e0d5ad5c1b4f2986ac9b31fbf8c2ea
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 735-740 (2021)
Oxide-dispersion-strengthened high-entropy alloys were produced by hot-pressing a ball-milled mixture of Y2O3 and atomized CoCrFeMnNi powder. The effect of milling duration on grain size reduction, oxide formation behavior, and the resulting mechanic
Externí odkaz:
https://doaj.org/article/23e87156757c4308a7dd9e19efb44939
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract We investigated the reinforcing effect of supersaturated Al-C phases on the mechanical properties of Al/C60 composites produced via powder metallurgy followed by thermal treatment. We controlled the fractions of C60-fullerenes, nano-scale ca
Externí odkaz:
https://doaj.org/article/eb1571118e7d4ffcbbaca05c3adc0fed
Autor:
Congyan Zhang, Uttam Bhandari, Jialin Lei, Congyuan Zeng, Shengmin Guo, Hyunjoo Choi, Seungjin Nam, Jinyuan Yan, Shizhong Yang, Feng Gao
Publikováno v:
Crystals, Vol 11, Iss 9, p 1073 (2021)
In this work, the performance of the carbon doped compositionally complex alloy (CCA) MoNbTaW was studied under ambient and high pressure and high temperature conditions. TaC and NbC carbides were formed when a large concentration of carbon was intro
Externí odkaz:
https://doaj.org/article/46c7bd6dda4d43339cd9e8d3c8d9fe33
Publikováno v:
Powder Metallurgy. 64:211-218
In this study, nanoporous high-entropy alloys (HEAs) were fabricated by chemically de-alloying aluminium atoms in mechanically alloyed HEAs. In addition, the effect of alloy composition, compositio...
Publikováno v:
International Journal of Plasticity. 161:103515
Autor:
Hyunjoo Choi, Lidia El Bouanani, Seungjin Nam, Syed M. N. Hasan, Martha I. Serna, Manuel Quevedo-Lopez, Bayron L. Murillo, Husam N. Alshareef
Publikováno v:
ACS Applied Materials & Interfaces. 12:51645-51653
Two-dimensional (2D) semiconductors, such as transition-metal dichalcogenides (TMDs), have attracted immense interest due to their excellent electronic and optical properties. The combination of single and multilayered 2D TMDs coupled with either Si