Results 91 to 100 of about 2,041 (224)
Photopyroelectric spectrum of MNO2 Doped Bi2O3 - TiO2 - ZnO ceramic combination [PDF]
, 2008 Photopyroelectric spectroscopy is used to study the energy band-gap of the ceramic (ZnO 0.25 Bi2O3 +0.25 TiO2 + x MnO2), x = 0 - 1.3 mol%, sintered at isothermal temperature 1190 and 1270°C for 2 hours in air.
Hashim, Mansor +4 more
core
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
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2003 ZnO esaslı varistörl e r çok bileşenli yarı iletkenseraınil\lerdir. Çok bileşe nli ollt;sit seranıiklerinelektrik s el da,ıra nışları hen1 malzemeninmikroyapısına henı de ZnO t a n e sınırlarında oluianürünlerin yapısına bağlidır.
Özlem YÜKSEL +2 more
doaj +1 more source
The Effects of Electrical Degradation on the Microstructure of Metal Oxide Varistor [PDF]
, 2001 In this paper, the findings from systematic experiments with the purpose to determine the degradation effect of single and multiple current pulses on the microstructure of the Metal Oxide (MO) varistor are described. Six distribution class varistors from
Mardira, K. P. +2 more
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A systematic review for computer based observational techniques for assessing exposure to risk factors for work-related musculoskeletal disorders [PDF]
, 2018 The objective of this review are to systematically examine the existing techniques of computer based observational method for assessing Work-related musculoskeletal disorders (WMSDs) and analysed them to the needs of different potential users.
Abdol Rahman, Mohd Nasrull +1 more
core +1 more source
Origin of solid-state activated sintering in BiO₂₃-doped ZnO. [PDF]
, 1999 Thesis (S.M.)--Massachusetts Institute of Technology, Dept.
Luo, Jian, 1971-
core
Fast nonlinear model order reduction via associated transforms of high-order volterra transfer functions [PDF]
, 2012 We present a new and fast way of computing the projection matrices serving high-order Volterra transfer functions in the context of (weakly and strongly) nonlinear model order reduction.
Fong, N +4 more
core +1 more source
Dielectric spectra of ZnO varistor ceramics
Acta Physica Sinica, 2012 In this paper, the dielectric spectra of ZnO varistor ceramics are measured by Novocontrol wide band dielectric spectrometer in a temperature range of -160℃-200℃ and frequency range of 0.1 Hz-0.1 MHz. It is found that electron transportation can be characterized by the flat region on a low frequency side of σ'-f curve.
null Cheng Peng-Fei +2 more
openaire +1 more source
Discover ElectronicsZnO-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 +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. +5 more
doaj