Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Cheng, J."'
Control of Stress Concentration in Surface-Mounted Multilayer Ceramic Capacitor Subjected to Bending
Publikováno v:
Journal of the American Ceramic Society. 97:1170-1176
Failure of surface-mounted multilayer ceramic capacitor (MLCC) results mainly from bending of the printed circuit board during handling and applications. Cracking of MLCC normally initiates at the junction of the bottom end of termination and the die
Publikováno v:
Journal of the American Ceramic Society. 93:4103-4109
Sintering behavior and dielectric performance of yttria/silica-coated BaTiO3 powders (YSBT) with the addition of Mn–Si–O glass (0–0.5 wt%) were investigated. The sample made with YSBT powder of 0.35 μm average particle size was fully sintered
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:
Sung-En Lin, Wen-Cheng J. Wei
Publikováno v:
Journal of the American Ceramic Society. 91:1121-1128
Spherical indium (In) oxide in submicrometer size is considered as a practical material in photonic bandgap applications. To obtain narrow size distribution, systematic studies of different conditions such as precursor concentration, reaction tempera
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
Publikováno v:
Journal of the American Ceramic Society. 90:1709-1716
The specific system of interest is the polyacrylic acid (PAA) and (0001) α-Al2O3 surface, which was modeled and simulated by Cerius2 4.9 software with empirical potentials. The simulation predicted that the adsorbed conformations of PAA with a molec
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:
Progress in Nanotechnology
Submicrometer spherical particles of praseodymium (Pr)-doped strontium indate were synthesized by spray pyrolysis using ultrasonic nebulization. The morphology, crystalline structure, particle size, and size distribution were studied by X-ray diffrac