Effect of Cr2O3 on properties of ZnO-Bi2O3 based high-voltage varistor ceramics by GUI Yanghai, TU Yuansheng, TIAN Kuan, GUO Huishi, HUANG Hai, ZHANG Xinhua

Subjects: “…zno varistor ceramic…”
Get full text

Synthesis mechanism of low-voltage Praseodymium oxide doped zinc oxide varistor ceramics prepared through modified citrate gel coating. by Wan Abdullah, Wan Rafizah, Zakaria, Azmi, Mohd Ghazali, Mohd Sabri

“…High demands on low-voltage electronics have increased the need for zinc oxide (ZnO) varistors with fast response, highly non-linear current-voltage characteristics and energy absorption capabilities at low breakdown voltage. …”
Get full text

The effect of sintering time on the microstructural and nonlinear electrical properties of Zn-V-Mn-Nb-Gd-O low-voltage varistor ceramics by Isa, Nor Hasanah, Azis, Raba'ah Syahidah, Saat, Nor Kamilah, Zakaria, Azmi, Mohammadi, Raheleh, Kinsu, Rosno

“…There is lacking of study on the prolonged sintering time effect on the microstructural and nonlinear electrical properties of ZnO-V2O5-MnO2-Nb2O5-Gd2O3-based low-voltage varistor ceramics sintered at 900 °C. The aim of this study is to investigate the effect of sintering time from 120 to 210 mins on the microstructural and nonlinear electrical properties of the ceramics. …”
Get full text

The effect of sintering time on the microstructural and nonlinear electrical properties of Zn-V-Mn-Nb-Nd-O low-voltage varistor ceramics by Isa, Nor Hasanah, Azis, Raba'ah Syahidah, Saat, Nor Kamilah

“…There is lacking of study on the prolonged sintering time effect on the microstructural and nonlinear electrical properties of ZnO-V2O5-MnO2-Nb2O5-Nd2O3-based low-voltage varistor ceramics sintered at 900 °C. The aim of this study is to investigate the effect of sintering time from 120 to 210 mins on the microstructural and nonlinear properties of the ceramics. …”
Get full text

Análisis Matemático de la Supresión de Impulsos Tipo Atmosférico en Sistemas de Distribución by Josue Quimiz, Nathalie Guerra, Klever Carrión, David Cárdenas, Carlos Chávez

Subjects: Get full text

Perbandingan ciri-ciri elektrik metal oxide varistor (MOV) dan silicon avalanche diode (SAD) apabila dikenakan sambaran kilat berulang / by 233629 Norisyam Othman, Zolkafle Buntat, Fakulti Kejuruteraan Elektrik

Enhancement of non-ohmic properties of CoO DopeD ZnO varistor ceramics using soda lime silica (SLS) glass by Nur Quratul Aini Ismail, Nor Kamilah Sa'at, Mohd Hafiz Mohd Zaid

“…ZnO-SLS-CoO (ZSC) based varistor ceramics were prepared at a high sintering temperature of 1100 ºC via the conventional solid-state method. …”
Get full text

Microstructural and nonlinear properties of Zn-V-Mn-Nb-O varistor ceramics with Gd2O3 substitution for low voltage application by Isa, Nor Hasanah, Zakaria, Azmi, Azis, Ra'ba'ah Syahidah, Rizwan, Zahid

“…The effect of Gd2O3 substitution on the microstructural and electrical properties of Zn-V-Mn-Nb-O varistor ceramics sintered at 900°C was investigated. …”
Get full text

Enhancement of non-ohmic properties of CoO DopeD ZnO varistor ceramics using Soda Lime Silica (SLS) glass by Ismail, Nur Quratul Aini, Sa'at, Nor Kamilah, Mohd Zaid, Mohd Hafiz

“…ZnO-SLS-CoO (ZSC) based varistor ceramics were prepared at a high sintering temperature of 1100 ºC via the conventional solid-state method. …”
Get full text

Estudio comparativo de dos métodos de síntesis para la obtención de polvos cerámicos de ZnO - Pr₂O₃ - CoO by Rodríguez-Páez, J. E., Caballero, A. C., Villegas, M., Cruz, A. M., Ávila, H.

Subjects: Get full text

The effect of multiple lightning impulses on the electrial characteristics of parallel combination of metal oxide varistor and opto-isolator (varislator) as low voltage protective device (experimental) by Nurzarina Abu Bakar, 1984-, Mohd. Muhridza Yaacob, supervisor, Fakulti Kejuruteraan Elektrik

Perbandingan ciri - ciri elektrik metal oxide varistor (MOV) dengan gas discharge tube (GDT) sebagai peranti perlindungan pusuan [compact disc] / by 410709 Fazil A. Rahman

Fabrication and electrical characteristics of flash-sintered SiO2-doped ZnO-Bi2O3-MnO2 varistors by Pai Peng, Yujun Deng, Jingpeng Niu, Liyi Shi, Yunzhu Mei, Sanming Du, Juan Liu, Dong Xu

Subjects: Get full text

Optimizing Bi2O3 and TiO2 to achieve the maximum non-linear electrical property of ZnO low voltage varistor by Abdollahi, Yadollah, Zakaria, Azmi, Aziz, Raba'ah Syahidah, Ahmad Tamili, Siti Norazilah, Matori, Khamirul Amin, Mohd Shahrani, Nuraine Mariana, Mohd Sidek, Nurhidayati, Dorraj, Masoumeh, Moosavi, Seyedehmaryam

“…In fabrication of ZnO-based low voltage varistor, Bi2O3 and TiO2 have been used as former and grain growth enhancer factors respectively. …”
Get full text

Microstructure and electrical and optical properties of ZnO based varistor ceramics with small-amount of MnOշ and Co3O4 as dopant by Adnin, Noorfauzana

“…Various stresses such as high electric fields, high temperature and aggressive ambient can inflict serious damages on machinery and other equipments and may degrade the performances of ZnO varistor devices. To develop a high performance of ZnO varistor ceramics, the influences of dopant are very crucial to be understood since dopants are responsible for the formation of varistor behavior. …”
Get full text

Effect of Co3O4 doping and sintering temperature on optical energy band gap properties in Zn-Bi-Ti-O varistor ceramics by Mohd Ghazali, Mohd Sabri, Wan Abdullah, Wan Rafizah, Zakaria, Azmi, Zulkifli, Muhamad Azman, Mohd Zaid, Mohd Hafiz, Rizwan, Zahid

“…The variation of sintering temperatures and XRD findings of steepness factor are correlated with the UV-Vis spectrophotometer results of based ZnO varistor doped with Co3O4 due to the growth of interface states.…”
Get full text

Electrical and microstructural properties of Nd₂O₃, Gd₂O₃ doped ZnO-V₂O₅-MnO₂-Nb₂O₅ based varistor ceramics by Isa, Nor Hasanah

“…The need for fabricating a reliable protection againts high voltage transients material have gained considerable attention in varistor ceramics field. Therefore, in this research, ZnO: Nd3+, Gd3+ at different doping concentration were prepared using solid state method. …”
Get full text

The Effects Of Zinc Oxide Microstructure On The Electrical Characteristics Of Low-Voltage Ceramic Varistors. [TK7871.99.V3S525frb] [Microfiche 7646] by Ahmad, Shahrom

“…The effects of ZnO microstructure, on the electrical characteristics of low-voltage ceramic varistors, have been investigated in this work. …”
Get full text

Microstructural and nonohmic properties of ZnO.Pr6O11 CoO polycrystalline system by Miguel Angel Ramírez, José Francisco Fernández, José de Frutos, Paulo Roberto Bueno, Elson Longo, José Arana Varela

Subjects: Get full text

Significantly improved giant dielectric properties and enhanced nonlinear coefficient of Ni2+ doped CaCu3Ti4O12/CaTiO3 composites by Jirata Prachamon, Pratumwan Sattapol, Narong Chanlek, Bundit Putasaeng, Nutthakritta Phromviyo, Viyada Harnchana, Ekaphan Swatsitang, Prasit Thongbai

Subjects: Get full text