Results 51 to 60 of about 4,953 (161)
Cerâmica, 2000 A durabilidade do varistor de ZnO está relacionada com suas características elétricas, microestruturais, térmicas e com o fenômeno de transporte de massa nos contornos de grão durante o processo de operação do varistor.
Pariona M. M., Pianaro S. A.
doaj
Efek Aditif Bi2o3 Terhadap Mikrostruktur Dan Koefisien Non Linier Varistor Zno [PDF]
, 2007 Telah dilakukan pembuatan varistor ZnO dengan menggunakan bahan baku : ZnO (E-Merck) danaditif : 0 %, 2,5 %, 5 %, 7,5 %, dan 10 % berat Bi2O3 . Sifat utama varistor ZnO adalah koefisien nonlinier (α) dan merupakan parameter yang mempengaruhi korelasi ...
Gade, M. (M), Muljadi, M. (Muljadi)
core
Optimizing Bi2O3 and TiO2 to achieve the maximum non-linear electrical property of ZnO low voltage varistor [PDF]
, 2013 In fabrication of ZnO-based low voltage varistor, Bi2O3 and TiO2 have been used as former and grain growth enhancer factors respectively. Therefore, the molar ratio of the factors is quit important in the fabrication.
Abdollahi, Yadollah +8 more
core +1 more source
The Role of Polypyrrole in Electrical Properties of ZnO-Polymer Composite Varistors [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2017 Composite films on the base of ZnO with different weight percentages of polypyrrole have been prepared using the hot pressing method and their current-voltage characteristics have been studied. Results show that the films have nonlinear varistor behavior
Nasim Asaadi +3 more
doaj
Cerâmica, 2007 O comportamento reológico de suspensões cerâmicas apresenta forte dependência do pH, quantidade de dispersante e concentração de sólidos. Quando dispersões são compostas por vários óxidos diferentes, o comportamento reológico pode ser afetado de maneira ...
S. L. M. Brito, D. Gouvêa, R. Ganzella
doaj +1 more source
Basic suppression techniques are evaluated [PDF]
, 1966 Investigation of standard suppression methods facilitates switching of inductively loaded circuits which causes interference in adjacent electronic equipment.
Dawirs, H. N.
core +1 more source
Oxygen diffusion in pure and doped ZnO
Materials Research, 2003 Oxygen diffusion coefficients in pure and doped ZnO polycrystals were determined by means of the gas-solid isotope exchange method using the isotope 18O as oxygen tracer.
Antônio Claret Soares Sabioni +2 more
doaj +1 more source
Effect of sintering temperature and heat treatment on electrical properties of indium oxide based ceramics [PDF]
, 2008 Indium oxide based ceramics with bismuth oxide addition were sintered in air in the temperature range 800-1300 ºC. Current-voltage characteristics of In2O3-Bi2O3 ceramics sintered at different temperatures are weakly nonlinear.
Bondarchuk, AN +5 more
core
Preliminary characteristic of electrical non-linearity Co doped CMO-ZnO based varistor ceramic [PDF]
, 2016 Zinc oxide based varistor are widely used as circuit protective devices by literally absorbs these dangerous surge and spikes or grounding this unwanted magnitudes.
Ahmad, Zakiyah +4 more
core +1 more source
International Journal of Ceramic Engineering & ScienceThis paper investigates the impact of the microstructure of zinc oxide varistor ceramics on their electrical properties. The microstructure of varistor was characterized by Voronoi network, and the relationship between microstructure and electrical ...
Xiao Lei +5 more
doaj +1 more source