Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Jung Hyo Park"'
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 63, Iss No 3, Pp 1513-1516 (2018)
We fabricated two different kinds of composite materials for absorbing microwave in a frequency range of 2 to 18 GHz using coaxial airline and thru-reflect-line (TRL) method. The composite materials having carbon nanotube (CNT) with carbonyl iron (CI
Externí odkaz:
https://doaj.org/article/058aa4512cef462ab043b7b072097061
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 63, Iss No 3, Pp 1509-1512 (2018)
In this research, we investigated the effects of reduction atmospheres on the creation of the Mo-Si-B intermetallic compounds (IMC) during the heat treatments. For outstanding anti-oxidation and elevated mechanical strength at the ultrahigh temperatu
Externí odkaz:
https://doaj.org/article/83fe34c379bd4cd9bb0984291bf01298
Autor:
Jang-Won Kang, Jong Min Park, Byung Hak Choe, Seong Lee, Jung Hyo Park, Ki Beom Park, Hyo Kyu Kim, Tae-Wook Na, Bosung Seo, Hyung-Ki Park
Publikováno v:
Metals, Vol 8, Iss 8, p 604 (2018)
A method was developed to fabricate spherical Mo5Si3 powder by milling and spheroidizing using inductively coupled thermal plasma. A Mo5Si3 alloy ingot was fabricated by vacuum arc melting, after which it was easily pulverized into powder by milling
Externí odkaz:
https://doaj.org/article/b124558df7be4bcfa1716001cae6b3ea
Publikováno v:
Journal of Materials Science & Technology. 66:36-45
This study investigated the effect of multi-step heat treatment on the microstructure, mechanical properties and fracture behavior of thick 15Co-12Ni secondary hardening steel. As-quenched sample was found to have elongated prior austenite grain (PAG
Publikováno v:
Journal of the Korean Physical Society. 76:967-970
We present a simulation of the effective electromagnetic (EM) parameters of a carbonyl iron (CI) powder - polyurethane (PU) composite based on a realistic micrometer-level 3-dimensional model by fractions. CI particles, 10 × 10 × 10, were randomly
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 26:208-213
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 81:94-99
In this study, we investigated the high-temperature oxidation behavior of Mo-Si-B alloys with different volume fractions or sizes of intermetallic compound phases. Mo-Si-B alloys with uniformly dispersed intermetallic compound phases (Mo5SIB2 and Mo3
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 26:156-165
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 80:238-242
In this study, we investigated the effect of titanium addition on microstructure and mechanical properties in Mo-Si-B alloys. The Mo-Ti-Si-B alloy (Mo-3.9Ti-3Si-1B, wt%), which has α-Mo, Mo3Si, Mo5SiB2 and TiO2 phases, was fabricated by a powder met
Autor:
JUNG HYO PARK1 melpjh@hanmail.net, JAEHO CHOI1, KISU LEE1, JINWOO PARK1, JUNG KUN SONG1, EUNKYUNG JEON1
Publikováno v:
Archives of Metallurgy & Materials. 2018, Vol. 63 Issue 3, p1513-1516. 4p.