Results 31 to 40 of about 106 (100)
Métodos químicos para obtener varistores basados en SnO2
Synthesis of SnO2 ceramic powders was made by coprecipitation method and polymeric precursor method (Pechini) to obtain Sn-Co-Nb-Ti-Al varistor systems.
Rodríguez-Páez, J. E. +2 more
doaj
Efecto de la relación área-volumen en la sinterización de varistores cerámicos basados en ZnO-Bi2O3
Sintering of ceramic varistors based on the system ZnO-Bi2O3-Sb2O3 takes place at 1150-1200ºC in the presence of a Bi-rich liquid phase which forms at 700-800ºC, depending on the exact material composition.
Caballero, A. C. +3 more
doaj
Propiedades dieléctricas de láminas delgadas de (Pb,Ca)TiO3 con alto contenido de Ca
Lead titanate thin films modified with calcium, Pb1-xCaxTiO3, with x>35%, have been deposited onto Pt/TiO2/SiO2/(100)Si y Pt/(100)MgO substrates, by the sol-gel method and a rapid thermal processing (RTP).
Calzada, M. L. +5 more
doaj
Pesquisa e desenvolvimento em cerâmicas eletro-eletrônicas no IPEN
O Grupo de Cerâmicas Eletro-eletrônicas do IPEN desenvolve trabalhos de pesquisa em materiais cerâmicos avançados para utilização em dispositivos sensores de espécies químicas e em células de combustíveis a eletrólitos sólidos.
Muccillo R., Muccillo E. N. S.
doaj
Incorporación de la fase Zn7Sb2O12 previamente sintetizada en varistores cerámicos basados en ZnO
During the sintering process of ZnO-Bi2O3-Sb2O3 based varistors, different reactions take place. The formation of the Zn7Sb2O12 spinel phase occurs between 900 and 1100ºC depending on the composition of the material.
Caballero, A. C. +2 more
doaj
The electrical properties of ceramic varistors based on the ZnO-Bi2O3-Sb2O3 system are related to the complexity of its polycrystalline microstructure.
Peiteado, M. +3 more
doaj
Efecto del lavado con etilendiamina sobre las propiedades de las nanopartículas de óxido de estaño
Tin oxide, is a compound used in many technological applications among them as gas sensor and in the production of varistors, electronic devices, electrocatalitic electrodes and fotovoltaic cells, among others.
Montenegro Hernández, A. +2 more
doaj
Solid state compatibility in the ZnO-rich region of ZnO-Bi2O3-Sb2O3 and ZnO-Bi2O3-Sb2O5 systems
The obtaining of ZnO-Bi2O3-Sb2O3 (ZBS) based varistor thick films with high non-linear properties is constrained by the bismuth loss by vaporization that takes place during the sintering step of these ceramics, a process which is yet more critical in the
Jardiel, T. +3 more
doaj
Se comparan resultados respecto al comportamiento eléctrico del material sinterizado, a partir de polvos precursores de materiales cerámicos con propiedades eléctricas no lineales, conocidos como varistores.
Eugenio Giraldo Tobón +1 more
doaj

