Results 11 to 20 of about 45,082 (300)

Dielectric Strength of Polymeric Solid–Solid Interfaces under Dry-Mate and Wet-Mate Conditions

Energies, 2021
One of the most important causes of insulation system failure is the breakdown of the interface between two solid dielectrics; understanding the mechanisms governing this breakdown phenomenon is therefore critical.
Emre Kantar
semanticscholar   +1 more source

How Hydrogen Dielectric Strength Forces the Work Voltage in the Electric Discharge Machining. [PDF]

Micromachines (Basel), 2018
An electro-thermal model based on the Joule heating effect is proposed to simulate a single discharge in an electric discharge machining process. Normally, the dielectric strength of the hydrocarbons oil is approximately 20 MV/m, but it varies with both ...
Almacinha JA, Lopes AM, Rosa P, Marafona JD.   +3 more
europepmc   +2 more sources

Three-Dimensional Imaging via Time-Correlated Single-Photon Counting

Applied Sciences, 2020
Three-dimensional (3D) imaging under the condition of weak light and low signal-to-noise ratio is a challenging task. In this paper, a 3D imaging scheme based on time-correlated single-photon counting technology is proposed and demonstrated.
Chengkun Fu, Huaibin Zheng, Gao Wang, Yu Zhou, Hui Chen, Yuchen He, Jianbin Liu, Jian Sun, Zhuo Xu   +8 more
doaj   +1 more source

Effects of polymorphic form and particle size of SiO2 fillers on the properties of SiO2–PEEK composites

Journal of Advanced Dielectrics, 2021
The effects of polymorphic form and particle size of SiO2 fillers on the dielectric, mechanical and thermal properties of SiO2–Polyetheretherketone (SiO2–PEEK) composites were investigated in this paper. Strong low frequency (
Peng Jie Xue, Shi Lin Liu, Jian Jiang Bian   +2 more
doaj   +1 more source

Prediction of Energy Storage Performance in Polymer Composites Using High‐Throughput Stochastic Breakdown Simulation and Machine Learning

Advanced Science, 2022
Polymer dielectric capacitors are widely utilized in pulse power devices owing to their high power density. Because of the low dielectric constants of pure polymers, inorganic fillers are needed to improve their properties.
Dong Yue, Yu Feng, Xiao‐Xu Liu, Jing‐Hua Yin, Wen‐Chao Zhang, Hai Guo, Bo Su, Qing‐Quan Lei   +7 more
doaj   +1 more source

Study of dielectric strength of (Blend SiC) nanocomposites [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2018
A nanocomposite materials were prepared based on polymeric blend[ 80% Ep + 20% UPE], supported by nanosilicon Carbide (SiC) , of crystalline size (≈ 50 nm) with weight percentages[ 2, 4 and 6 Wt% ].
Jaafar K. Ch. Al-Suwaydawei, Ahmad H. M. Al-Falahi   +1 more
doaj   +1 more source

Discharge characteristics of ground potential live-line work air gaps in cup towers and double circuit towers

Energy Reports, 2022
Ground potential live-line work (GPLW) is an irreplaceable means for the maintenance and elimination of overhead transmission lines. In order to put forward safety protection suggestions for GPLW, the dielectric strength of the GPLW gaps in cup towers ...
Jiachen Gao, Linong Wang, Guanlin Li, Shaocheng Wu, Bin Song, Cheng Xie, Lei Liu, Tingting Wang   +7 more
doaj   +1 more source

Preparation of BT/GNP/PS/PVDF composites with controllable phase structure and dielectric properties

Polymer Testing, 2021
The composite system composed of polymer, conductive and dielectric filler has excellent dielectric properties. Herein, by studying the effect of filler distribution on the composite system's performance, the graphene nanoplatelets/Polystyrene (GNP/PS ...
Junwang Liu, Mingting Zhang, Lizhu Guan, Chunfeng Wang, Lei Shi, Yi Jin, Chao Han, Jihua Wang, Zhidong Han   +8 more
doaj   +1 more source

Enhanced dielectric properties and breakdown strength of polymer/carbon nanotube composites by coating an SrTiO3 layer

e-Polymers, 2021
In this work, strontium titanate (STO) was coated on the surface of carbon nanotubes (MWCNTs) through a sol–gel method to form a core–shell structure hybrid powder (STO@MWCNTs).
Han Ruolin, Liu Yuping, Shi Jinchao, Chen Guang-Xin, Li Qifang   +4 more
doaj   +1 more source

Influence of the acceptor-fillers on the dielectric properties of polyimide composites

Polymer Testing, 2023
High-performance polymer dielectrics are critical for high-tech fields such as electrical insulation and aerospace. Nevertheless, it is still challenging to achieve simultaneous improvements in both dielectric constant and breakdown strength in polymer ...
Wenchao Zhang, Min Jiang, Feng Guan, Shiyu Liu, Liangjun Wang, Yanpeng Li, Dong Yue, Jialong Li, Xiaoxu Liu, Yu Feng   +9 more
doaj   +1 more source