Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Masayuki Takashima"'
Autor:
Takashi Okada, Masayuki Takashima, Fukuoka Kiyoto, Yoshiaki Arata, Hajime Kiyokawa, Susumu Yonezawa
Publikováno v:
Diamond and Related Materials. 52:11-17
Diamond compacts are prepared by bonding diamond particles with substrates. In the bonding process using a metal binder by electro-deposition, it is better to use diamond particles coated with tungsten carbide (WC) because of higher bonding efficienc
Publikováno v:
Journal of Chemical Engineering of Japan. 48:523-527
Publikováno v:
Materials Chemistry and Physics. 148:169-174
Aqueous peroxotitanium acid solution derived from the TiO2 fluorinated using F2 gas was used for the preparation of nano-sized BaTiO3 particles in this study. The prepared aqueous peroxotitanium acid solution having a homogeneous pale yellow-green wa
Publikováno v:
Journal of Fluorine Chemistry. 166:22-27
TiAl alloy particles (300 μm) prepared using plasma rotating electrode processing (PREP) were treated by surface fluorination using fluorine gas (F 2 ) at 25–200 °C in pressure of 101 kPa for 3 h. Depending on the reaction temperature, the TiAl a
Publikováno v:
Journal of Fluorine Chemistry. 161:11-14
A reaction among LiF, P (red phosphorous), and ClF3 was conducted to prepare LiPF6 at −20 to 100 °C. First, P reacts with ClF3 to form PF5. Then PF5 reacts with LiF to form LiPF6. The reaction preparing LiPF6 from LiF, P, and ClF3 can take place a
Publikováno v:
Journal of Fluorine Chemistry. 160:52-56
Terbium-containing oxide fluoride glasses were prepared in TbF3–BaF2–AlF3–GeO2 and Tb4O7–BaF2–AlF3–GeO2 systems. Auger electron spectra (AES spectra) of these glasses have been measured to characterize those glasses. Quantitative analysis
Autor:
Yoshiaki Arata, Toshihide Tsukatani, Yasuo Hasegawa, Akiko Yamakoshi, Susumu Yonezawa, Masayuki Takashima
Publikováno v:
BUNSEKI KAGAKU. 63:915-920
Publikováno v:
Applied Surface Science. 279:329-333
Graphite particles (100 and 40 μm) were coated with Ni (18–38 wt.%) and PTFE fine particles (0.3 μm; 8 wt.%) via electroless Ni-PTFE composite nano-plating. The conductivity of C/Ni-PTFE with 100 μm and 40 μm graphite particles increased concom
Publikováno v:
Journal of Fluorine Chemistry. 149:88-94
The electrochemical properties and thermal stability of carbon coated LiFePO4 cathode were improved by the surface fluorination using NF3 gas at a pressure less than 6.67 kPa at 25 °C. Especially, in case of F1-LiFePO4, the discharge capacity was ab
Publikováno v:
Journal of Fluorine Chemistry. 144:165-170
The dispersion stability and photocatalytic activity of TiO 2 particles were improved by the surface fluorination using fluorine gas (F 2 ) at a pressure less than 50.5 kPa at 25° C. Average particle sizes and zeta potentials of fluorinated TiO 2 (F