Results 91 to 100 of about 2,022 (170)

Donor and acceptor doping of zinc oxide varistors

open access: yes
ZnO-based varistors containing 0-10000 ppm Ga were prepared by the mixed oxide route. Disc-shaped samples were sintered in air at 1030\ub0C for 2 h. All products were of high density (>94% theoretical).
Freer R, Gilbert I
core   +5 more sources

Influence of Y–Bi–Co oxide doping on electrical performance of ZnO varistors based on simulation analysis

open access: yesInternational Journal of Ceramic Engineering & Science
ZnO varistors doped with Y2O3, Bi2O3, and Co2O3 were analyzed for electrical performance, microstructure, phase composition, and elemental distribution using electrical performance testing, scanning electron microscopy, X‐ray diffraction, and energy ...
Zhengzheng Fu   +7 more
doaj   +1 more source

Analysis of the failure mechanism of ZnO varistors influenced by high‐resistance media based on multi‐field coupling simulation

open access: yesHigh Voltage
This study focuses on the distribution of high‐resistance media (pores and spinels) within ZnO varistors and explores the mechanical and electrical failure mechanisms of varistors under different pulse actions.
Pengfei Meng   +7 more
doaj   +1 more source

Application of infrared thermography to non-contact testing of varistors [PDF]

open access: yes, 2013
Testing of varistors using thermography was carried out in order to assess their protective properties against possible overvoltage phenomena in the form of high-level voltage surges.
Galla, S., Konczakowska, A.
core  

Cold-Sintered ZnO Ceramic Composites Co-Doped with Polytetrafluoroethylene and Oxides. [PDF]

open access: yesMolecules, 2023
Xiao Y   +7 more
europepmc   +1 more source

Zinc oxide varistors made from powders prepared by wet chemical route

open access: yes, 2001
Powders used to produce zinc oxide ceramic varistors were prepared, by wet chemical route. SEM and XRD were used to characterize the powder properties and the microstructure of the varistors.
Ji, Y. Z.   +3 more
core  

A Hardware System for Synchronous Processing of Multiple Marine Dynamics MEMS Sensors. [PDF]

open access: yesMicromachines (Basel), 2022
Jing J   +7 more
europepmc   +1 more source

Study on the Failure Causes and Improvement Measures of Arresters in 10 kV Distribution Transformer Areas

open access: yesEnergies
In recent years, arresters in 10 kV distribution transformer areas of the Guangdong power grid have exhibited a rising trend of premature failures, posing a serious threat to distribution network reliability.
Taishan Hu   +7 more
doaj   +1 more source

Novel Ultrahigh-Performance ZnO-Based Varistor Ceramics. [PDF]

open access: yesACS Appl Mater Interfaces, 2021
Tian T   +8 more
europepmc   +1 more source

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