Dielectric Loss and Electrical Conductivity Behaviors of Epoxy Composites Containing Semiconducting ZnO Varistor Particles [PDF]
Polymer nanodielectrics render a great material platform for exhibiting the intrinsic nature of incorporated particles, particularly semiconducting types, and their interfaces with the polymer matrix.
Li Lei +4 more
doaj +2 more sources
Size effect on properties of varistors made from zinc oxide nanoparticles through low temperature spark plasma sintering [PDF]
Conditions for the elaboration of nanostructured varistors by spark plasma sintering (SPS) are investigated, using 8-nm zinc oxide nanoparticles synthesized following an organometallic approach. A binary system constituted of zinc oxide and bismuth oxide
Angerer +53 more
core +3 more sources
Ultrahigh voltage-gradient ZnO-based varistor ceramics via hybrid cold sintering process/spark plasma sintering and post-annealing process [PDF]
A high voltage gradient (Vg) of ZnO-based varistor ceramics is critical for realizing miniaturized and lightweight overvoltage protection devices. However, improving Vg of ZnO-based varistor ceramics through conventional high-temperature sintering ...
Shenglin Kang +8 more
doaj +2 more sources
Electrical properties of structures based on varistor ceramics and polymer nanocomposites with carbon filler [PDF]
The characteristics of a two-layer structure on the basis of the layers of varistor ceramics and polymeric PPTC nanocomposite being in thermal contact for the purpose of using it as a limiter of constant voltage and long-term varying electrical ...
A. S. Tonkoshkur, A. V. Ivanchenko
doaj +2 more sources
Comportamento reológico de suspensões aquosas de um sistema varistor à base de ZnO Rheological properties of aqueous suspensions of a ZnO varistor system [PDF]
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 +2 more sources
The Grain Growth Control of ZnO-V2O5 Based Varistors by PrMnO3 Addition [PDF]
In this study, the grain growth behaviour of ZnO-V2O5-based ceramics with 0.25–0.75 mol% additions of PrMnO3 was systematically investigated during sintering from 850 °C to 925 °C.
Maofeng Xu +8 more
doaj +2 more sources
Novel Ultrahigh-Performance ZnO-Based Varistor Ceramics [PDF]
Tian Tian, Mateja Podlogar, Xun Shi
exaly +2 more sources
Effect of Ni2O3 Doping on the Electrical Properties and Intrinsic Defect Concentration of ZnO Varistor Ceramics [PDF]
With the development of high voltage transmission, there is an urgent need to develop ZnO varistor ceramics with high anti-aging properties. The key is to manipulate the intrinsic defect concentration of ZnO varistor ceramics precisely.
Guo Qirui +4 more
doaj +1 more source
Varistor coupling method and recommendation parameters for combination wave test
Varistor coupling is recommended by International Telecommunication Union in combination wave test waveforms of surge protective devices (SPD), although the varistor coupling method and recommendation parameters for the combination wave test are not well
Mi Zhou +6 more
doaj +1 more source
Influence of ambient temperature on electrical properties of varistor-positor structure
Recently, the combined two-layer structure based on varistor ceramics and polymer posistor nanocomposites with carbon filler (known as PolySwitch resettable fuses) has been seen as one of the promising elements for protecting electrical circuits from ...
Alexander Ivanchenko +1 more
doaj +1 more source

