Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Cheol Ho Lim"'
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 51:281-289
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c26dfdc3bc7f66e6f21d9b244be49d7
https://doi.org/10.5139/jksas.2023.51.4.281
https://doi.org/10.5139/jksas.2023.51.4.281
Autor:
Cheol-Ho Lim, Ik-Hyeon Choi
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 41:967-974
Recently the authors had proposed the z-pinning patch concept to simply manufacture z-pinned composite structures at industrial production site and manufactured composite single-lap shear joint specimens using the concept. Through static tensile test
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0b64262789479b99bfef557c5e7baa0
https://doi.org/10.5139/jksas.2013.41.12.967
https://doi.org/10.5139/jksas.2013.41.12.967
Autor:
Ik-Hyeon Choi, Cheol-Ho Lim
Publikováno v:
Journal of the Korean Society for Aeronautical & Space Sciences. 41:613-618
In this paper a new concept on z-pinning technology named by authors as `z-pinning patch` will be introduced, which advantage is easy application at manufacturing site of composite structures. Using the trial manufactured z-pinning patch, the z-pinne
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49f46376dac4e23e7e6548d376d02d2f
https://doi.org/10.5139/jksas.2013.41.8.613
https://doi.org/10.5139/jksas.2013.41.8.613
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers B. 36:979-988
The 3D structure of GDL for fuel cells was measured using high-resolution X-ray tomography in order to study material transport in the GDL. A computational algorithm has been developed to remove noise in the 3D image and construct 3D elements represe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e1ba3e0e4f119d3f583d385ce462bd2
https://doi.org/10.3795/ksme-b.2012.36.10.979
https://doi.org/10.3795/ksme-b.2012.36.10.979
Publikováno v:
Metals and Materials International. 14:433-436
In this study, the thermoelectric properties of 0.1 wt.% Cdl2-doped n-type Bi2Te2.7Sb0.3 compounds, fabrieated by SPS in a temperature range of 250°C to 350°C, were characterized. The density of the compounds was increased to approximately 100% of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e22cde156c600b7e49bc23323322600a
https://doi.org/10.3365/met.mat.2008.08.433
https://doi.org/10.3365/met.mat.2008.08.433
Autor:
Jong Woo Lee, Hyoun Woo Kim, Jeong Whan Han, Mok Soon Kim, Byung Don Yoo, M.H. Kim, C.H. Lee, Cheol Ho Lim, Sun Keun Hwang, C. Lee, D.J. Chung, S.G. Park, S.G. Lee, B.H. O, J. Kim, S.P. Chang, S.H. Lee, Seung Yong Chai, Wan In Lee, S.E. Park, K. Kim, D.K. Choi, C.W. Chung
Publikováno v:
Materials Science Forum. 555:113-118
We present a study of the photoresist (PR) etching and the low-k materials damage using a ferrite-core inductively coupled plasma (ICP) etcher, in order to develop an etching process for the low-k dielectric devices. We reveal that the N2/O2 flow rat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5377879118edce95607144c3fe7032ac
https://doi.org/10.4028/www.scientific.net/msf.555.113
https://doi.org/10.4028/www.scientific.net/msf.555.113
Publikováno v:
Materials Science Forum. :1122-1125
The microstructure and thermoelectrical properties of the 4wt% Te doped p-type Bi0.5Sb1.5Te3 compounds, fabricated by using spark plasma sintering in the temperature ranging from 250°C to 350°C, were characterized. The density of the sintered compo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e29c4c9b422bb6d5679035891ced27bc
https://doi.org/10.4028/www.scientific.net/msf.510-511.1122
https://doi.org/10.4028/www.scientific.net/msf.510-511.1122
Publikováno v:
Materials Science Forum. :390-393
In this study, we examined brazeability of Al5052 alloys using a Ag-28Cu insert metal in vacuum condition. A high frequency induction-heating vacuum hot press was used for the brazing. Under a static pressure of 0.5 MPa and a vacuum of 5×10-5 Torr,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::674199e1756f48f53f7f30e0c6ac6e45
https://doi.org/10.4028/www.scientific.net/msf.510-511.390
https://doi.org/10.4028/www.scientific.net/msf.510-511.390
Publikováno v:
Journal of Electronic Materials. 35:360-365
We studied the effects of deformation and annealing of n-type 90Bi2Te3-5Sb2Te3-5Sb2Se3 thermoelectric compound. Hot-extrusion was conducted to prepare the deformed compound and then this compound was annealed at 400°C for 1–24 hr. When the undoped
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99ea026e1ed416cad11c482b44553042
https://doi.org/10.1007/bf02692457
https://doi.org/10.1007/bf02692457
Publikováno v:
Key Engineering Materials. :875-880
P-type Bi0.5Sb1.5Te3 compounds doped with 3wt% Te were fabricated by spark plasma sintering and their mechanical and thermoelectric properties were investigated. The sintered compounds with the bending strength of more than 50MPa and the figure-of-me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c62dff229a03491e006eeab8ae272372
https://doi.org/10.4028/www.scientific.net/kem.297-300.875
https://doi.org/10.4028/www.scientific.net/kem.297-300.875