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pro vyhledávání: '"Hyeon-Keun Lee"'
Autor:
Hyeon-Keun Lee1, Do Kyung Kim1 dkkim@kaist.ac.kr
Publikováno v:
Journal of the American Ceramic Society. Aug2010, Vol. 93 Issue 8, p2167-2170. 4p. 1 Black and White Photograph, 2 Graphs.
Publikováno v:
Journal of the American Ceramic Society. 97:805-810
The electrical conductivity of CaF2-doped aluminum nitride (AlN) ceramics was characterized at high temperatures, up to 500°C, by AC impedance spectroscopy. High thermal conductive CaF2-doped AlN ceramics were sintered with a second additive, Al2O3,
Autor:
Do Kyung Kim, Hyeon-Keun Lee
Publikováno v:
Journal of the American Ceramic Society. 93:2167-2170
FT-Raman spectroscopy was used to characterize the thermal conductivity of yttria-doped polycrystalline aluminum nitride (AIN) ceramics. Specimens with different thermal conductivity were prepared using sintering additives of different size, content,
Publikováno v:
Advanced Materials Research. :331-336
Evolution of surface morphology in Ni(γ)/Ni3Al(γ´) two-phase foil of binary Ni-18 at.%Al was examined during the electrochemically selective etching in the electrolyte of distilled water including 1 wt.% (NH4)2SO4 and 1 wt.% citric acid. In the ea
Publikováno v:
Journal of the Korean Ceramic Society. 45:518-523
The mechanical properties of silicon carbide deposited by chemical vapor deposition process onto a graphite substrate are studied using nanoindentation techniques. The silicon carbide coating was fabricated in a chemical vapor deposition process with
Publikováno v:
Key Engineering Materials. 352:53-58
The mechanical properties of brittle coating structures were characterized by various indentation techniques. The adhesion properties of the coatings were evaluated by in situ scratch and sphere indentation method. Physical vapor deposited TiN coatin
Autor:
Hyeon Keun Lee, Do Kyung Kim
Publikováno v:
Journal of the Korean Ceramic Society. 44:368-374
CVD-SiC coating has been introduced as a protective layer in TRISO nuclear fuel particle of high temperature gas cooled reactor (HTGR) due to its excellent mechanical stability at high temperature. In order to prevent the failure of the TRISO particl
Autor:
Hyeon Keun Lee, Do Kyung Kim
Publikováno v:
Key Engineering Materials. 403:61-63
The high thermal conductivity of Aluminum nitride, coupled with its high electrical resistivity and nontoxic nature, makes it a very promising material for electronic substrate. In this study, microstructural characterization on the thermal conductiv
Autor:
HYEON-KEUN LEE, DO KYUNG KIM
Publikováno v:
Modern Physics Letters B; 12/30/2009, Vol. 23 Issue 31/32, p3869-3876, 8p, 1 Diagram, 1 Chart, 2 Graphs