Results 91 to 100 of about 133,121 (127)

Effect of bismuth oxide on zinc oxide properties for varistor applications / Saedah Munirah Sanusi [PDF]

, 2020
The effect of bismuth oxide properties for varistor applications have been investigated. The Bi203 doped ZnO with composition [(100X)% ZnO)+(X%Bi2O3)]mol% have been prepared using solid state method.
Sanusi, Saedah Munirah
core  

Full-Lifecycle Deterioration Characteristics and Remaining Life Prediction of ZnO Varistors Based on PSO-SVR and iForest

Energies
To address three core deficiencies of the existing research on ZnO varistors (incomplete full-lifecycle datasets, insufficient characterization robustness due to the lack of multi-parameter complementarity, and disconnected remaining life prediction and ...
Zhiheng Zhu, Hongyang Xiao, Zhengwang Xu, Jixin Yang, Zhou Huang   +4 more
doaj   +1 more source

Fabrication and characterization of varistor-polymer composite based on zinc oxide [PDF]

, 2012
This research focuses on fabricating a varistor-polymer composite based on nanosized ZnO and micro-sized ZnO, and comparing their current-voltage characteristics.
Fatehi, Asma
core   +1 more source

Research on the Electrical Properties and Microstructural Characteristics of ZnO Varistors Under Impulse Current

Crystals
Zinc oxide (ZnO) varistors are a core component of surge arresters; their failure can directly affect the secure and reliable operation of power equipment.
Yong Wang, Jie Zhang, Jun Xiong, Junxiang Liu, Lu Zhu, Yongxia Han   +5 more
doaj   +1 more source

Effect of fabrication conditions on I-V properties for ZnO varistor with high concentration additives by sol-gel technique

, 2005
Polycrystalline nano-grain-boundary multi-doping ZnO-based nonlinear varistors with higher concentration additives have been fabricated by sol-gel and standard solid-state reaction method, of which the best sample has a very high threshold voltage of E-b
Zhang, JC, Shanghai Univ, Ctr Nanosci & Technol, Dept Phys, Shangda Rd 99, Shanghai 200436, Peoples R China. 电子邮箱地址: jczhang@mail.shu.edu.cn, Zhang JC, Cao SX, Jing C, Zhang RY, Yu LM   +5 more
core  

Comparative analysis of nonbismuth metal oxide varistor compositions and performance characteristics

Discover Electronics
The persistent reliance on conventional ZnO–Bi₂O₃ varistor systems has increasingly revealed fundamental limitations that constrain their deployment in modern power infrastructure, particularly concerning thermal volatilization, environmental ...
Arash Vaghef-Koodehi, Yaser Bahari
doaj   +1 more source

Effects of polyvinyl acetate on the nonlinearity of zinc oxide varistor

, 2008
The effects of polyvinyl acetate (PVA) on the physical and electrical characteristics of Zinc Oxide (ZnO) varistor were investigated. The mass fraction of PVA was varied into different concentrations of 1%, 5%, 8% and 10%.
Herrera, Nerissa T
core  

Microstructural development of ZnO varistor during reactive liquid phase sintering

, 1996
The microstructural evolution, grain growth and densification for the varistor systems ZnO-Bi2O3 (ZB), ZnO-Bi2O3-Sb2O3 (ZBS), ZnO-Bi2O3-Sb2O3-MnO-Cr 2O3-CoO (ZBSCCM) were studied using constant heating rate sintering, scanning electron microscopy (SEM ...
Leite, E. R., Nobre, Marcos Augusto Lima, Longo, Elson [UNESP], Longo, Elson, Varela, José Arana [UNESP], Varela, José Arana   +5 more
core   +1 more source

Nanoscale engineering of multi-component ZnO varistors: advanced computational modeling and energy absorption optimization

Journal of Materials Science: Materials in Engineering
This study presents a comprehensive computational framework for optimizing energy absorption in nano-engineered zinc oxide varistors through systematic multi-component design.
Arash Vaghef-Koodehi
doaj   +1 more source

Effect of Simultaneous Addition of Zr and Y on Electrical Characteristics of ZnO Varistors

, 2011
The effect of simultaneously adding Zr and Y to Bi–Mn–Co–Sb–Si–Cr–Ni-added ZnO varistors (having the same composition as a commercial varistor) on the varistor voltage, leakage current, and resistance to electrical degradation were investigated. Varistor
Shinzo Yoshikado, Takayuki Watanabe, Yuuki Sato, Yuji Akiyamna, Ai Fukumori   +4 more
core   +1 more source