Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Joon Chul Kwon"'
Autor:
Il Ho Kim, Joon Chul Kwon, Young Geun Lee, Sung Lim Ryu, Man Soon Yoon, Whan Gi Kim, Soon Chul Ur
Publikováno v:
Materials Science Forum. 695:69-72
Half-Heusler alloys are one of the potential thermoelectric materials for medium to high temperature range application. As a part of fundamental study to establish processing route and to observe thermoelectric properties in undoped state, ZrCoSb was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00ab2aaf23f4c2ccfbe0de3590bde191
https://doi.org/10.4028/www.scientific.net/msf.695.69
https://doi.org/10.4028/www.scientific.net/msf.695.69
Autor:
Il-Ho Kim, Joon Chul Kwon, Sung Lim Ryu, Soon-Chul Ur, Whangi Kim, Young Geun Lee, Man Soon Yoon
Publikováno v:
Materials Science Forum. 658:33-36
Half-Heusler alloys are one of the potential thermoelectric materials for medium to high temperature range application. As a part of fundamental study to establish processing route and to observe thermoelectric properties in undoped state, ZrCoSb was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9298fcf2e7045239be3808cdbd4ad004
https://doi.org/10.4028/www.scientific.net/msf.658.33
https://doi.org/10.4028/www.scientific.net/msf.658.33
Publikováno v:
Metals and Materials International. 14:625-629
Sn-filled (Fe, Co)Sb3 skutterudites of the form of SnyFe3Co5Sb24 (0≤y≤1.5) were synthesized by the mechanical alloying of elemental powders followed by vacuum hot pressing. The phase transformations that occur during both mechanical alloying and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d45dc0bc256968f68cf9826833a4bab4
https://doi.org/10.3365/met.mat.2008.10.625
https://doi.org/10.3365/met.mat.2008.10.625
Autor:
Soon-Chul Ur, S.M. Heo, Y.G. Choi, Joon Chul Kwon, Seung Hwan Yi, Man Soon Yoon, Keunheon Lee
Publikováno v:
Solid State Phenomena. :203-206
0.03Pb(Sb0.5Nb0.5)O3-0.03Pb(Mn1/3Nb2/3)O3-(0.94-x)PbTiO3-xPbZrO3 ceramics doped with CeO2 were synthesized by conventional bulk ceramic processing technique. Phases analysis, microstructures and piezoelectric properties were investigated as a functio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8210c76d3c60729df9a1c92eb7afb9a8
https://doi.org/10.4028/www.scientific.net/ssp.124-126.203
https://doi.org/10.4028/www.scientific.net/ssp.124-126.203
Autor:
Ji Lee, Joon Chul Kwon, L.H. Kim, Tae Whan Hong, Man Soon Yoon, Y.G. Choi, Sung Lim Ryu, S.Y. Kwon, Soon-Chul Ur, Young Geun Lee
Publikováno v:
Materials Science Forum. :737-740
0.03Pb(Sb0.5Nb0.5)O3-0.03Pb(Mn1/3Nb2/3)O3-(0.94-x)PbTiO3-xPbZrO3 ceramics doped with Y2O3 were synthesized by conventional bulk ceramic processing technique. Phases analysis, microstructures and piezoelectric properties were investigated as a functio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd9542d835b508c7303769cf8586e040
https://doi.org/10.4028/www.scientific.net/msf.544-545.737
https://doi.org/10.4028/www.scientific.net/msf.544-545.737
Publikováno v:
Materials Science Forum. :177-180
Fe doped skutterudite CoSb3 with a nominal composition of FexCo1-xSb12 (0≤x≤2.5) have been synthesized by mechanical alloying (MA) of elemental powders, followed by vacuum hot pressing. Phase transformations during mechanical alloying and vacuum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd2d0351cee250e903020aacccdb75f4
https://doi.org/10.4028/www.scientific.net/msf.534-536.177
https://doi.org/10.4028/www.scientific.net/msf.534-536.177
Autor:
Young Geun Lee, Joon Chul Kwon, Moon Kwan Choi, Soon Young Kweon, Tae Whan Hong, Soon-Chul Ur, Il-Ho Kim
Publikováno v:
Materials Science Forum. :1425-1428
Undoped CoSb3 powders were synthesized by mechanical alloying of elemental powders using a nominal stoichiometric composition. Nanostructured, single-phase skutterudite CoSb3 was successfully produced by vacuum hot pressing using as-milled powders wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8988a5ac05dbf0924ef38850cdf08f1f
https://doi.org/10.4028/www.scientific.net/msf.534-536.1425
https://doi.org/10.4028/www.scientific.net/msf.534-536.1425
Autor:
Joon Chul Kwon, Il-Ho Kim, Y.G. Choi, Young Geun Lee, Tae Whan Hong, Yong-Ho Son, K.W. Cho, Soon Young Kweon, Man Soon Yoon, Soon-Chul Ur, Sung Lim Ryu
Publikováno v:
Materials Science Forum. :690-693
To enhance high power characteristics for piezoelectric transformer, an alloy design approach in PZT base ceramic system was considered. Various Zr/Ti ratio compositions in 0.03Pb(Sb0.5Nb0.5)O3- 0.03Pb(Mn1/3Nb2/3)O3-(0.94-x)PbTiO3-xPbZrO3 (0.445x0.47
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2dcc810d7ea2b2c1772581391404684
https://doi.org/10.4028/www.scientific.net/msf.510-511.690
https://doi.org/10.4028/www.scientific.net/msf.510-511.690
Autor:
Young-Moon Kim, Y.G. Choi, Soon Young Kweon, K.W. Cho, Yong-Ho Son, Joon Chul Kwon, Soon-Chul Ur, Tae Whan Hong, Man Soon Yoon, Sung Lim Ryu, Young Geun Lee
Publikováno v:
Materials Science Forum. :538-541
In an approach to acclimate ourselves to the recent ecological consciousness trends, a lead free piezoelectric material, bismuth sodium barium titanate (Bi0.5Na0.5)0.94Ba0.06TiO3 (BNBT), was considered as an environment-friendly alternative to the PZ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cc0f288a2db219a0c212d5cdbbbcc94
https://doi.org/10.4028/www.scientific.net/msf.510-511.538
https://doi.org/10.4028/www.scientific.net/msf.510-511.538
Publikováno v:
Journal of Korean Powder Metallurgy Institute. 12:357-361
Fe-doped skutterudite with a nominal composition of has been synthesized by mechanical alloying (MA) of elemental powders, followed by hot pressing. Phase transformations during mechanical alloying and hot pressing were systematically investigated us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c77533861ca53aafa16979076ddd4b48
https://doi.org/10.4150/kpmi.2005.12.5.357
https://doi.org/10.4150/kpmi.2005.12.5.357