Comparative Studies on Degradation of Varistors Subjected to Operation in Surge Arresters and Surge Arrester Counters [PDF]
Archives of Metallurgy and Materials, 2020 The paper presents results of investigation of microstructure and micro-hardness for material of ZnO varistors applied to 110 kV surge arrester and surge arrester counter.
P. Papliński +6 more
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Strain‐Induced Redistribution of Point Defects in ZnO Nanoparticles
Small Science, Volume 6, Issue 3, March 2026.Powder compaction generates local strain effects in ZnO nanoparticles. This alters the abundance of intrinsic point defects and impacts the semiconductor's electronic structure. Such changes were analyzed by a combination of spectroscopy and density functional theory calculations and emphasize the importance of strain effects in the design and ...
Korbinian Aicher +4 more
wiley +1 more source
Analisis Karakteristik Elektrik Zno Terdoping Cr2O3 Untuk Aplikasi Varistor Tegangan Rendah [PDF]
, 2012 ZnO is one of the main ingredients of making varistor can be used as a protective device to protect electronic and electrical equipment from the dangers of impulse over voltage.
Asmi, Dwi +2 more
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Ultra‐Rapid Blacklight Sintering for ZnO‐Based Varistors With Optimized Functional Properties
Journal of the American Ceramic Society, Volume 109, Issue 3, March 2026.ABSTRACT The increasing demand for energy‐efficient optoelectronic systems has intensified interest in high‐performance ceramic varistors, which are critical components in surge protection applications. In this study, ZnO‐based varistors were fabricated using a novel blacklight sintering (BLS) technique, which employs high‐powered blue light, and were ...
Ahmad Sayyadi‐Shahraki +4 more
wiley +1 more source
Grain Boundary Space Charge Engineering of Solid Oxide Electrolytes: Model Thin Film Study
Advanced Functional Materials, Volume 36, Issue 14, 16 February 2026.This study demonstrates unprecedented control of grain boundary electrical properties in solid electrolytes. Selective diffusion of cations through grain boundaries in thin films enables 12 orders of magnitude variation in ionic resistance, proving that systematic chemical modification of grain boundary electrical properties is feasible.
Thomas Defferriere +5 more
wiley +1 more source
Study on Microstructure and Electrical Properties of ZnO Varistor Ceramics
, 2011 To obtain ZnO varistors with high voltage gradient, ZnO varistors were fabricated by traditional ceramic sintering technique, which were sintered from 1135 to 1155 °C, the microstructure and properties of varistors were characterized by SEM, X-rays ...
Chang Qi Xia, Mo He, Qi Bin Liu
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Surface Flashover in 50 Years: III. Extreme Environments and Industrial Challenges
High Voltage, Volume 11, Issue 1, Page 100-142, February 2026.ABSTRACT Modern high‐voltage electrical equipment operates in complex environments where surface conditions are subjected to multifaceted influences from electric fields, thermal gradients, contaminants, irradiation and other extreme environmental factors.
Zhen Li +6 more
wiley +1 more source
Stability of ZnO-Pr6o11-Cr2O3 varistor ceramics against electrical degradation [PDF]
, 2016 The vulnerability of varistor ceramics to electrical degradation during operation not only affects their nonlinear properties but also leads to shortening of device’s lifetime by increasing the risk of failures including melting, fire or even explosions.
Rahman, Md. Mahmudur +4 more
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Effect of soda lime silica glass doping on ZnO varistor ceramics: dry milling method
Journal of Asian Ceramic Societies, 2020 There is a lack of reports where dry milling methods have been used in the preparation of varistor based ceramics. Dry milling methods have been demonstrated to be able to produce fine and homogeneous sample powders.
Nur Quratul Aini Ismail +2 more
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Influence of Fine Crystal Percentage on the Electrical Properties of ZnO Ceramic-Based Varistors
Crystals, 2020 Herein, the effect of nanocrystal percentage in bulk-ZnO varistors was studied. The structure of ZnO nanocrystals was examined using X-ray diffraction (XRD) and field-emission scanning electron microscopy (FE-SEM).
Abdullah Aljaafari, Ahmed Sedky
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