Results 81 to 90 of about 133,121 (127)

High-Frequency Capacitance Resonance of ZnO-based Varistor Ceramics

, 1996
Capacitance resonance of ZnO varistor ceramics can be shifted from gegahertz to a few megahertz frequency region with increasing amounts of specific secondary phases.
Kutty, TRN, Ezhilvalavan, S
core  

Influence of processing parameters on microstructure and electrical properties of ZnO-based varistor ceramics

Discover Electronics
ZnO-based varistors are widely used in electrical equipment for surge protection. This research explores the influence of sintering parameters—such as sintering temperature, ramp rate and soaking time—on microstructure development and V-I characteristics
Muhammad Hassan, Muddassar Hussain, Muhammad Ali, Syed Ahmad Ali   +3 more
doaj   +1 more source

Características microestructurales de varistores del sistema ZnO-BaO-P₂O₅

Boletín de la Sociedad Española de Cerámica y Vidrio, 1999
Ceramic materials based on the system ZnO-BaO show a great potential for varistor applications. However, the BaO rich phase located at the grain boundaries shows high solubility in water which causes severe damage of the materials.
Fernández, J. F., Durán, P., Moure, C., Villegas, M., Valle, F. J., Caballero, A. C.   +5 more
doaj  

Effect of sintering temperature on structural and electrical properties of silica doped zinc oxide based varistor / Nur Farhaim Abdul Rasul [PDF]

, 2017
The effect of sintering temperature on the structural and electrical properties of silica doped zinc oxide, Si-doped ZnO based varistor have been investigated. The Si-doped ZnO with composition x [SLS] 100-x [ZnO], x= 3 wt.
Abdul Rasul, Nur Farhaim
core  

Numerical calculation of varistor model for sinusoidal signal [PDF]

, 2008
ZnO varistors are semiconductor devices with highly nonlinear current-voltage characteristic and are widely used as devices for overvoltage protection. Varistor applications range from the use of small varistors to protect electronic components to large ...
Kostyla, P
core  

Fabrication of Sn-Doped ZnO Varistor by Solid State Processing

, 2011
In this work, systematic substitution of ZnO with SnO2 in ZnO-based varistor composition was investigated through analysis of densification, phase formation, microstructure and non-linear properties. The general formula was Zn0.96-xSnxBi0.02Co0.02Oβ with
Warunee Srichan, Nuttapol Sungsuwan, Waranya Assawasilpakul, Niti Yongvanich, Pattama Visuttpitukul   +4 more
core   +1 more source

Microstructure and electrical properties of Y(NO(3))(3)center dot 6H(2)O-doped ZnO-Bi(2)O(3)-based varistor ceramics

, 2011
Y(NO(3))center dot 6H(2)O-doped ZnO-Bi(2)O(3)-based varistor ceramics were prepared using a solid reaction route. The microstructure, electrical properties, degradation coefficient (D(V)), and dielectric characteristics of varistor ceramics were studied ...
Cheng XN, Yang J, Lin YH, Yuan HM, Xu D, Xu, D (reprint author), Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China. frank@ujs.edu.cn   +5 more
core  

An Experimental Study on the Effect of Multiple Lightning Waveform Parameters on the Aging Characteristics of ZnO Varistors

, 2020
In this study, in order to study the effect of multi-pulse waveform parameters on the aging characteristics of ZnO varistor, the aging rate and surface temperature rise of ZnO varistor under the impact of multi-pulse current were analyzed.
Chunlong Zhang, Dongbo Lv, Chunying Li, Hongyan Xing, Hao Zhu   +4 more
core   +1 more source

Penghasilan varistor ZnO melalui kaedah pencampuran konvensional dan pengelompokan induk

, 2010
Varistor berasaskan zink oksida, ZnO telah difabrikasikan menggunakan teknik percampuran konvensional dan pengelompokan induk (PI). Kesan halaju pengisaran mesin pengisar bola planet (PBM) semasa proses penghomogenan dalam penghasilan varistor ...
Noor Azira, Mohd Noor
core  

Processing and Characterization of Cofired Capacitor and Varistor Ceramics

, 1999
The aim of the present work was to prepare a monolithic varistor-capacitor element from a commercial ZnO-based varistor and a relaxor based on lead-magnesium niobate.
J. Razinger, M. Kosec, B. Malič, Z. Živič   +3 more
core   +1 more source