Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Cheng, J."'
Autor:
Ching-Hung Weng, Wen-Cheng J. Wei
Publikováno v:
Journal of the American Ceramic Society. 93:3124-3129
Nb2O5 and Bi2O3 powders were dispersed by anionic dispersants separately and followed by optimized colloidal processing steps to obtain the best mixing results. The influences of the dispersants were investigated by the measurements of zeta-potential
Autor:
Wen-Cheng J. Wei, Jerry C. C. Lin
Publikováno v:
Journal of the American Ceramic Society. 92:1926-1933
A glass with the eutectic composition 3MnO1.5–2SiO2 was used to simulate the formation of a liquid phase during sintering of BaTiO3. Two oxide additives (Mn2O3 and SiO2) performing various functions of the properties of BaTiO3 were investigated for
Publikováno v:
Journal of the American Ceramic Society. 91:3976-3980
A photonic bandgap (PBG) crystal was established by self-assembly of monodispersed SiO2 submicrometer spheres. SiO2@Y2O5/or Y2SiO5:Eu3+ phosphors were then prepared by coating of Y3+ and Eu3+ at various concentrations on SiO2 PBG crystal templates. A
Autor:
Bang-Ying Yu, Wen-Cheng J. Wei
Publikováno v:
Journal of the American Ceramic Society. 91:595-598
Gradient, porous alumina ceramics were prepared with the characteristics of microsized tabular α-Al2O3 grains grown on a surface with a fine interlocking feature. The samples were formed by spin-coating diphasic aluminosilicate sol on porous alumina
Autor:
Wen-Cheng J. Wei, Ting-Yi Wu
Publikováno v:
Journal of the American Ceramic Society. 89:3846-3849
Pure Ba2Ti9O20 (BT29) was synthesized by a solid-state reaction in one step with various amounts of ZrO2 powder additive. The transformation kinetics of BT29 were investigated by quantitative X-ray diffractometry (XRD). The results show that stoichio
Publikováno v:
Journal of the American Ceramic Society. 89:1257-1265
We study the packing history and packing structures of photonic bandgap crystals consisting of mono-sized SiO2 particles. Simulations with combined actions of Brownian motion, inter-particle interactions, and imposed external fields are considered. N
Autor:
Wen-Cheng J. Wei, Rong-Yuan Wu
Publikováno v:
Journal of the American Ceramic Society. 88:1734-1739
This study establishes the relationship between homogeneity of tetragonal zirconia polycrystalline (TZP) feedstocks and the kneading time in order to understand the kneading energy adsorption during the de-agglomeration period of pre-existing ceramic
Autor:
Bang-Ying Yu, Wen-Cheng J. Wei
Publikováno v:
Journal of the American Ceramic Society. 88:2328-2331
An ultra-thin Ni-based metal used as the electrode layer in multilayer ceramic capacitor determines the dielectric performance of the capacitor. The warpage and the continuity of the inner electrode layers, and a dihedral angle between BaTiO3 layers
Publikováno v:
Journal of the American Ceramic Society. 82:3385-3392
Pure zirconia, yttria, and three yttria-doped zirconia powders of submicrometer size have been dispersed in various aqueous solutions. The zeta potential (zeta) of the zirconia powders is determined primarily via streaming-current (SC) detection and
Publikováno v:
Journal of the American Ceramic Society. 87:1110-1116
The reaction kinetics and mechanisms between 8 mol% yttria-stabilized zirconia (YSZ) and 30 mol% Sr-doped lanthanum manganite (La0.65Sr0.30MnO3, LSM) with A-site deficiency for the application of planar solid oxide fuel cells (SOFCs) were investigate