Results 11 to 20 of about 219,164 (198)

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

open access: yese-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   +4 more
doaj   +1 more source

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

open access: yesPolymer 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   +8 more
doaj   +1 more source

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

open access: yesPolymer 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   +9 more
doaj   +1 more source

Influence of xylene on the dielectric response of an organoclay-containing nanocomposite

open access: yesIET Nanodielectrics, 2020
The dielectric effect, investigated using dielectric spectroscopy and DC dielectric breakdown strength measurements, of introducing xylene into a composite system containing polyethylene, a co-polymer of ethylene and vinyl acetate and an organoclay can ...
Allison V. Shaw   +3 more
doaj   +1 more source

Studing Some Effective Parameter on The Dielectric Properties of Composite Materials Containing of Un Saturated Polyester Resin [PDF]

open access: yesEngineering and Technology Journal, 2015
The studyof dielectric constant (єr) and the dielectric strength (Ebr) of the composite materials consist of the unsaturated polyester resin reinforced with aluminum powder and unsaturated polyester resin reinforced with aluminum powder and the copper ...
Anaam Wadi Watan, Suad Hammed Aleabi
doaj   +1 more source

Effects of Temperature and Mechanical Stresses on the Dielectric Breakdown Strength of GF /EP Composites

open access: yesJournal of Harbin University of Science and Technology, 2018
To research the effects of temperature and mechanical stresses on the dielectric breakdown strength ( DBS) of Glass Fiber /Epoxy ( GF /EP) composites,the AC breakdown test has been carried out on the GF /EP composites under different temperatures ...
LIU Shu-mei, AO Ming, LI Zhong-hua
doaj   +1 more source

Design and characterization of dielectric filled TM$_{110}$ microwave cavities for ultrafast electron microscopy [PDF]

open access: yes, 2018
Microwave cavities oscillating in the TM$_{110}$ mode can be used as dynamic electron-optical elements inside an electron microscope. By filling the cavity with a dielectric material it becomes more compact and power efficient, facilitating the ...
A. H. Kemper   +11 more
core   +2 more sources

Study of Enhancing Energy Storage Density of Polypropylene Film Capacitors by Modified BaTiO3 Nano-fillers [PDF]

open access: yesDianli jianshe
[Objective] Polypropylene (PP) film capacitors are widely used in critical power equipment due to their excellent characteristics such as low loss and high voltage endurance. However, their low dielectric constant limits performance enhancement. [Methods]
LEI Tianxiang, XU Ying, ZHAO Zheng, SU Ran, WU Fangjie, HAO Zhiyuan, ZHAO Yuqi
doaj   +1 more source

Predicting Wood Strength using Dielectric Parameters

open access: yesBioResources, 2015
There are various methods for nondestructive imaging of the internal structure of wood. A microwave nondestructive method based on the dielectric properties of a medium is an area of great interest for predicting wood strength in the worldwide wood ...
Hamiyet Şahin Kol, İlker Yalçın
doaj   +1 more source

Reliability Assessment of Statistical Distributions for Analyzing Dielectric Breakdown Strength of Polypropylene

open access: yesApplied Sciences, 2023
Various statistical distributions, such as Weibull, log-normal, and exponential functions, are frequently employed to interpret the dielectric breakdown (BD) strength data of insulating materials, including cross-linked polyethylene, low-density ...
Keon-Hee Park   +3 more
doaj   +1 more source

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