Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Jai Hyuk Choi"'
Publikováno v:
Japanese Journal of Applied Physics. 47:1071-1075
Time-variable pulsed dielectric barrier discharges in open air have been investigated to calculate the reduced electric field at breakdown using a simple electrical circuit. In this calculation, charges accumulated on the dielectric surface before di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8baf67ab70458c60164cb63857545e8
https://doi.org/10.1143/jjap.47.1071
https://doi.org/10.1143/jjap.47.1071
Publikováno v:
Key Engineering Materials. :649-652
Various composition of calcium-silicate thinfilms were deposited to the thickness of 1μm by electron-beam deposition. The composition was varied by changing the composition of source. The Si concentration of thinfilm was ranged from 25 at% to 85 at%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97d3684d78d7ea974224bc52478bbe16
https://doi.org/10.4028/www.scientific.net/kem.342-343.649
https://doi.org/10.4028/www.scientific.net/kem.342-343.649
Publikováno v:
Current Applied Physics. 7:e23-e27
The onset potentials of breakdown during titanium MAO (micro-arc oxidation) by several concentrations of KOH aqueous electrolyte were investigated in DC electrical waveform. As the concentration was diluted, the potentials increased. It might due to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d568dd815dbc43fed2951af40a5b29c
https://doi.org/10.1016/j.cap.2006.11.008
https://doi.org/10.1016/j.cap.2006.11.008
Publikováno v:
Surface and Coatings Technology. 201:5533-5536
Various unipolar DC pulse waveforms were selected to find the factors for controlling of the anodized titanium surface morphology. The current density, frequency and duty were ranged from 50 mA/cm2 to 750 mA/cm2, from 100 Hz to 400 Hz and from 10% to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c6a21632c5194830f19e48de23c51ff
https://doi.org/10.1016/j.surfcoat.2006.07.102
https://doi.org/10.1016/j.surfcoat.2006.07.102
Publikováno v:
Key Engineering Materials. :1429-1432
Exposed dentine with patent tubules allows the movement of tubule fluid leading to dentine sensitivity. Occlusion of patent dentinal tubules effectively reduces the state of dentine hypersensitivity. Strontium chloride (SrCl2) has been well known as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a79dd205df22a47dc894a8f236339c69
https://doi.org/10.4028/www.scientific.net/kem.330-332.1429
https://doi.org/10.4028/www.scientific.net/kem.330-332.1429
Publikováno v:
Surface and Coatings Technology. 201:4973-4978
Atmospheric air plasma treatment is being investigated as an alternative to a conventional oxygen (O2) vacuum plasma process for cleaning ITO. We devised an atmospheric air barrier plasma system and used only an ambient air as discharge gas. In parti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25f66b30050679889f22d601d5b79e7c
https://doi.org/10.1016/j.surfcoat.2006.07.202
https://doi.org/10.1016/j.surfcoat.2006.07.202
Autor:
Man Hyeop Han, Jong Pil Jegal, Kie Moon Song, Hong Koo Baik, Joo Hyon Noh, Ki Wan Park, Yong Sik Lim, Jai Hyuk Choi
Publikováno v:
Surface and Coatings Technology. 201:4948-4952
Tin free steel plate (TFS) that is substrate of the PET-laminated steel has been treated by atmospheric pressure plasma at room temperature in order to enhance the surface adhesive properties. After plasma treatment, the water-contact angle measureme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b579467aeb27d3e3f84d6fc781879d47
https://doi.org/10.1016/j.surfcoat.2006.07.156
https://doi.org/10.1016/j.surfcoat.2006.07.156
Publikováno v:
Key Engineering Materials. :375-378
The surface morphology of commercially pure titanium was investigated with varying electrical waveform. Controlling of electrical pulse width is effective to change pore sizes. Longer electrical pulse width was induced, larger size of pores were gene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5394bd7e4e611ffa39fe96d91e3bd6d8
https://doi.org/10.4028/www.scientific.net/kem.309-311.375
https://doi.org/10.4028/www.scientific.net/kem.309-311.375
Autor:
Kie Moon Song, Jai Hyuk Choi, Inho Han, Eung Suok Lee, Tae Il Lee, Yong Sik Lim, Hong Koo Baik
Publikováno v:
Plasma Sources Science and Technology. 15:416-420
Generally, the parameter p ? d (pressure ? gap distance) in dielectric barrier discharge (DBD) controls the electrical breakdown and also the plasma characteristics. We investigated the optimum plasma transition p ? d by controlling the pressure. To
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d19282c220ad1d12a935a4db613fdfef
https://doi.org/10.1088/0963-0252/15/3/017
https://doi.org/10.1088/0963-0252/15/3/017
Autor:
Hong Koo Baik, Yong Sik Lim, Kie Moon Song, Mi Hee Lee, Jai Hyuk Choi, In Seob Lee, Dong-Wook Han, Inho Han, Jong Chul Park
Publikováno v:
Journal of Electrostatics. 64:17-22
Atmospheric pressure (AP) plasmas can sterilize against almost all kinds of bacteria because many ions and reactive species, such as oxygen atoms and ozone, etc., are generated during AP plasmas. So AP plasmas are proper processes for application to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1525295327ec6420feb270ead1b0db7d
https://doi.org/10.1016/j.elstat.2005.04.001
https://doi.org/10.1016/j.elstat.2005.04.001