Zobrazeno 1 - 10
of 583
pro vyhledávání: '"Sang-Bok Lee"'
Autor:
Junghwan Kim, Jihye Lee, Byeongjin Park, Taegyu Lee, Kyung-Min Yoo, Chan-Yeup Chung, Hansang Kwon, In-Ho Jung, Sang-Bok Lee, Sang-Kwan Lee, Seungchan Cho
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5286-5299 (2024)
Titanium carbides reinforced steel matrix (TiC-steel) composites exhibit a range of excellent properties, including increased strength-to-weight ratio, high-temperature strength, and outstanding wear resistance. Prior research has demonstrated that t
Externí odkaz:
https://doaj.org/article/e3812c6299a74409b126385ebd5ebe3c
Publikováno v:
Nano-Micro Letters, Vol 15, Iss 1, Pp 1-23 (2023)
Highlights A novel multi-band absorption-dominant electromagnetic interference (EMI) shielding film with transition metal-doped M-type strontium ferrites composite layer and a conductive grid is developed. This film shows (1) ultralow EMI reflection
Externí odkaz:
https://doaj.org/article/624b062e472b4b84a5cfe39fff199fd6
Autor:
Hyun Woo Park, Eunyeong Cho, Yun Zou, Sea Hoon Lee, Jae Ryung Choi, Sang-Bok Lee, Kyeongwoon Chung, Se Hun Kwon, Jeonghun Kim, Hee Jung Lee
Publikováno v:
Nanomaterials, Vol 13, Iss 1, p 28 (2022)
Yttria-stabilized zirconia (YSZ) nanospheres were synthesized by calcination at 900 °C after the adsorption of Y3+ ions into the pores of a zirconium-based metal–organic framework (MOF). The synthesized 3YSZ (zirconia doped with 3 mol% Y2O3), 8YSZ
Externí odkaz:
https://doaj.org/article/fa9819e9ddf042aba2a3c17bc82392c9
Publikováno v:
Metals, Vol 11, Iss 6, p 989 (2021)
In this study, to evaluate the effect of boron carbide (B4C) addition on the wear performance of aluminum (Al), Al6061 and 5, 10, and 20 vol.% B4C/Al6061 composites were manufactured using the stir casting and hot rolling processes. B4C particles wer
Externí odkaz:
https://doaj.org/article/21b83716e42b4a28aca3790370995232
Autor:
Donghyun Lee, Junghwan Kim, Byeongjin Park, Ilguk Jo, Sang-Kwan Lee, Yangdo Kim, Sang-Bok Lee, Seungchan Cho
Publikováno v:
Metals, Vol 11, Iss 3, p 413 (2021)
In this study, to fabricate neutron shielding material, boron carbide (B4C)-reinforced aluminum (Al) alloy composites were successfully fabricated by stir casting followed by a hot rolling process. Microstructural analysis of B4C/Al6061 composites wi
Externí odkaz:
https://doaj.org/article/2a3c30ccd39945268b68141903a18148
Autor:
Sangmin Shin, Hyeonjae Park, Byeongjin Park, Sang-Bok Lee, Sang-Kwan Lee, Yangdo Kim, Seungchan Cho, Ilguk Jo
Publikováno v:
Applied Sciences, Vol 11, Iss 3, p 952 (2021)
In this study, different volume fractions of silicon-carbide-reinforced AA2024 matrix composites were successfully fabricated using stir-casting (SC) and die-casting (DC) processes. The microstructural difference and physical properties of the compos
Externí odkaz:
https://doaj.org/article/edc9e50e08cd4981af1190537e2de14f
Autor:
Sangmin Shin, Donghyun Lee, Yeong-Hwan Lee, Seongmin Ko, Hyeonjae Park, Sang-Bok Lee, Seungchan Cho, Yangdo Kim, Sang-Kwan Lee, Ilguk Jo
Publikováno v:
Metals, Vol 9, Iss 10, p 1108 (2019)
In this study, high volume fraction B4C reinforced Al matrix composites were fabricated with a liquid pressing process. Microstructural analysis by scanning electron microscope and a transmission electron microscopy shows a uniform distribution of th
Externí odkaz:
https://doaj.org/article/22bde41b171d4bb98fb7fc46595e6330
Autor:
Seungchan Cho, Jae Ryung Choi, Byung Mun Jung, U. Hyeok Choi, Sang-Kwan Lee, Ki Hyeon Kim, Sang-Bok Lee
Publikováno v:
AIP Advances, Vol 6, Iss 5, Pp 055920-055920-4 (2016)
A novel Fe-Co binary hollow fiber was synthesized by electroless plating using hydrolyzed polyester fiber and its anisotropy characteristic was investigated for electromagnetic wave absorbing materials. The hollow fibers in parallel with magnetic fie
Externí odkaz:
https://doaj.org/article/4930ce6d6b544fbd90b16982028b49fa
Autor:
Haotian Wang, Nam Soo Kim, Yueming Song, Paul Albertus, Sang Bok Lee, Gary Rubloff, David Stewart
Publikováno v:
ACS Applied Materials & Interfaces. 15:10752-10760
Autor:
Peng Wang, Yunfeng Li, Luning Wang, Jacek Kłos, Zhiwei Peng, Nam Kim, Hendrik Bluhm, Karen Gaskell, Ping Liu, Sang Bok Lee, Bryan W. Eichhorn, YuHuang Wang
Publikováno v:
EcoMat, Vol 2, Iss 2, Pp n/a-n/a (2020)
Abstract The electrical double layer is known to spontaneously form at the electrode‐electrolyte interface, impacting many important chemical and physical processes as well as applications including electrocatalysis, electroorganic synthesis, nanom
Externí odkaz:
https://doaj.org/article/dc4831a9577241f4b75ceec28154381c