A simple optimized design of an electrode to conduct flash sintering at room temperature and low onset electric field

2020 ◽  
Vol 186 ◽  
pp. 158-162
Author(s):  
Xiang Li ◽  
Rongxia Huang ◽  
Xilin Wang ◽  
Guanghua Liu ◽  
Zhidong Jia ◽  
...  
Keyword(s):  
Electric Field ◽  
Room Temperature ◽  
Optimized Design ◽  
Flash Sintering

scholarly journals Effects of Flash Sintering Parameters on Performance of Ceramic Insulator

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 1157
Author(s):  
Yong Liu ◽  
Xingwang Huang
Keyword(s):  
Grain Size ◽  
Electric Field ◽  
Field Intensity ◽  
Current Density ◽  
Electric Field Intensity ◽  
Unit Cell ◽  
Uniform Structure ◽  
Ceramic Insulator ◽  
Flash Sintering ◽  
Ceramic Insulators

Ceramic outdoor insulators play an important role in electrical insulation and mechanical support because of good chemical and thermal stability, which have been widely used in power systems. However, the brittleness and surface discharge of ceramic material greatly limit the application of ceramic insulators. From the perspective of sintering technology, flash sintering technology is used to improve the performance of ceramic insulators. In this paper, the simulation model of producing the ceramic insulator by the flash sintering technology was set up. Material Studio was used to study the influence of electric field intensity and temperature on the alumina unit cell. COMSOL was used to study the influence of electric field intensity and current density on sintering speed, density and grain size. Obtained results showed that under high temperature and high voltage, the volume of the unit cell becomes smaller and the atoms are arranged more closely. The increase of current density can result in higher ceramic density and larger grain size. With the electric field intensity increasing, incubation time shows a decreasing tendency and energy consumption is reduced. Ceramic insulators with a higher uniform structure and a smaller grain size can show better dielectric performance and higher flashover voltage.

scholarly journals Electric Field Dependence of the Fluorescence Intensity of Solute Molecules and Fourth Order Effects

1985 ◽  
Vol 40 (9) ◽  
pp. 874-876
Author(s):  
Hilmar Bischof ◽  
Wolfram Baumann
Keyword(s):  
Electric Field ◽  
External Electric Field ◽  
Field Dependence ◽  
Fourth Order ◽  
Fluorescence Intensity ◽  
Room Temperature ◽  
Order Effects ◽  
Electric Field Dependence ◽  
Total Fluorescence

Abstract The effect of an external electric field on the total fluorescence of solute molecules is studied up to fourth order theoretically, and is checked experimentally with 4´-N,N-dimethylamino- 4-nitrostilbene in dioxane at room temperature.

Introduction of Fine Engineered Domain Configuration into Potassium Niobate Single Crystals

2007 ◽  
Vol 350 ◽  
pp. 89-92
Author(s):  
Keisuke Yokoh ◽  
Tomomitsu Muraishi ◽  
Song Min Nam ◽  
Hirofumi Kakemoto ◽  
Takaaki Tsurumi ◽  
...  
Keyword(s):  
Electric Field ◽  
Single Crystals ◽  
Room Temperature ◽  
Single Domain ◽  
Potassium Niobate ◽  
Field Exposure ◽  
Domain State ◽  
Domain Configuration ◽  
Dc Electric Field ◽  
Direction Of Polarization

To induce fine engineered domain configurations into potassium niobate (KNbO3) single crystals, two kinds of methods were performed, i.e., (1) high DC electric field exposure along the opposite direction of polarization of KNbO3 single-domain crystals at room temperature, and (2) introduction of randomly oriented fine domain configuration by heat treatment at 700 °C and then high DC electric field exposure along [001]c direction of KNbO3 multidomain crystals at room temperature. When the method (1) was performed, finally, the poled KNbO3 crystals became to single-domain state again through the formation of multidomain state. On the other hand, the KNbO3 multidomain crystals were obtained by using the method (2), and an enhancement of piezoelectric-related properties was observed.

Electric field control of magnetization in Nd1−xSmxFeO3 (x = 0, 0.2, and 0.4) at room temperature

2014 ◽  
Vol 104 (8) ◽  
pp. 082415 ◽  
Author(s):  
Chuanjiang Du ◽  
Hongwei Qin ◽  
Shaoqing Ren ◽  
Lei Zhao ◽  
Minglei Zhao ◽  
...  
Keyword(s):  
Electric Field ◽  
Room Temperature ◽  
Field Control

Effects of surface electric field on SnO 2 room temperature gas sensors fabricated on nanospike substrates

2012 ◽  
Author(s):  
Haizhou Ren ◽  
Pengtao Wang ◽  
Haibin Huo ◽  
Mengyan Shen ◽  
Marina Ruths ◽  
...  
Keyword(s):  
Electric Field ◽  
Gas Sensors ◽  
Room Temperature ◽  
Surface Electric Field

Electric-Field-Controlled Room Temperature AMR Switching in a NiFe/BiFeO3/SrRuO3/SrTiO3 (111) Heterostructure

2015 ◽  
Vol 51 (11) ◽  
pp. 1-3 ◽  
Author(s):  
Shizhe Wu ◽  
Jun Miao ◽  
Yong Wu ◽  
Kangkang Meng ◽  
Xiaoguang Xu ◽  
...  
Keyword(s):  
Electric Field ◽  
Room Temperature

Resistive switching and electric field control of ferromagnetism in SnO2 films deposited at room temperature

2019 ◽  
Vol 475 ◽  
pp. 368-373 ◽  
Author(s):  
Xinran Liu ◽  
Jianpei Bu ◽  
Xue Ren ◽  
Bin Cheng ◽  
Jihao Xie ◽  
...  
Keyword(s):  
Electric Field ◽  
Resistive Switching ◽  
Room Temperature ◽  
Field Control
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