Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Won Seung Cho"'
Publikováno v:
Metallurgical and Materials Transactions B. 48:1595-1601
The effect of Al2O3 concentration on the density and structure of CaO-SiO2-Al2O3 slag was investigated at multiple Al2O3 mole percentages and at a fixed CaO/SiO2 ratio of 1. The experiments were conducted in the temperature range of 2154 K to 2423 K
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f11191eec28b621a8f3cf7be6f3cbd32
https://doi.org/10.1007/s11663-017-0964-2
https://doi.org/10.1007/s11663-017-0964-2
Publikováno v:
RSC Advances. 6:63286-63290
A Ti-MIL125-NH2 membrane with a high surface coverage of uniform crystals was prepared on a TiO2 disc using a unique combination of microwave-assisted nucleation followed by ultrasonic irradiation, which produced a highly stable catalytic film for a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8abf4606570b9fd70c3a2623b01491e2
https://doi.org/10.1039/c6ra09438d
https://doi.org/10.1039/c6ra09438d
Publikováno v:
Microporous and Mesoporous Materials. 213:161-168
A densely-packed IRMOF-3 membrane (S-IRMOF-3(Mem)), ∼55 μm in thickness, on an Al 2 O 3 disc support was prepared via a sonochemical synthesis route, and the optimal fabrication conditions were established. Bare IRMOF-3 particles (S-IRMOF-3(p)) we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb0145bf630a25901b9974c2ebcdf395
https://doi.org/10.1016/j.micromeso.2015.04.021
https://doi.org/10.1016/j.micromeso.2015.04.021
Publikováno v:
Applied Surface Science. 332:167-171
X-type zeolite with mesoporosity (Meso-13X) was prepared by using dimethyloctadecyl[3-(trimethoxysilyl)propyl]ammonium chloride as a mesopore-generating agent, and then modified with polyethylenimine (PEI) through a physical impregnation method to fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a260668fdfcc2da9f916368ef74e2845
https://doi.org/10.1016/j.apsusc.2015.01.106
https://doi.org/10.1016/j.apsusc.2015.01.106
Autor:
Won-Seung Cho, Ki-Ju Lee
Publikováno v:
Metals and Materials International. 18:887-893
As a pore precursor, activated carbon of different contents (0 to 30 vol%) was added to (Ba,Sr)TiO3 powder. Porous (Ba,Sr)TiO3 ceramics were prepared by pressureless sintering at 1350 °C for 1 h in air. The effects of the activated carbon content on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52b9d9b8cf0f5e6e2824921d1df13317
https://doi.org/10.1007/s12540-012-5022-7
https://doi.org/10.1007/s12540-012-5022-7
Autor:
Seung-Bok Choi, Won-Seung Cho, Myeong-Woo Cho, Bong-Cheol Shin, Jae-Jin Jae, Kwang-Pyo Hong, Yong-Kyu Cho
Publikováno v:
Materials and Manufacturing Processes. 27:1135-1138
In this study, ultraprecise polishing of alumina reinforced zirconia ceramics using magneto rheological (MR) fluids and diamond abrasives was investigated. First, alumina-reinforced zirconia composites, containing 0 to 30 vol% alumina, were fabricate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba1bd31e4a6ba2a608173d247561d7bd
https://doi.org/10.1080/10426914.2011.654155
https://doi.org/10.1080/10426914.2011.654155
Publikováno v:
Metals and Materials International. 18:545-551
Alumina-reinforced zirconia composites containing 0 to 30 vol% of alumina were fabricated by sintering at 1550 °C for 2 h in air. The effect of the Al2O3 content on the mechanical properties and microstructure of 3Y-TZP ceramics was investigated. Al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::173a665c427fb59f2e2fae6375b77c09
https://doi.org/10.1007/s12540-012-3026-y
https://doi.org/10.1007/s12540-012-3026-y
Publikováno v:
Ceramics International. 38:2429-2436
Zirconia-toughened alumina composites containing 0–30 vol% of 3Y-TZP were fabricated by sintering at 1600 °C for 2 h in air. The effect of the 3Y-TZP content on the mechanical properties and microstructure of the alumina ceramics was investigated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02a3f23f980deb6fc5675094781be2e0
https://doi.org/10.1016/j.ceramint.2011.11.009
https://doi.org/10.1016/j.ceramint.2011.11.009
Publikováno v:
Journal of the Korean Ceramic Society. 48:152-159
The green and hard machining characteristics of dental ceramics are of great interest to dental industry. The green bodies of TZP/Al₂O₃ composites were prepared by the cold isostatic pressing, and machined on the CNC lathe using PCD (polycrystall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d02e336b0d74d3982e7b71c037b2a68e
https://doi.org/10.4191/kcers.2011.48.2.152
https://doi.org/10.4191/kcers.2011.48.2.152
Publikováno v:
Metals and Materials International. 16:99-107
Porous Y-doped (Ba,Sr)TiO3 ceramics were prepared by the spark plasma sintering of (Ba,Sr)TiO3 powders with different amounts of carbon black, and by subsequently burning out the carbon black acting as a pore precursor. The microstructure, PTCR and g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc5cf396abde9c8abf875bef7a982669
https://doi.org/10.1007/s12540-010-0099-3
https://doi.org/10.1007/s12540-010-0099-3