Effects of high temperature and high electric field on the space charge behavior in epoxy resin for power modules

J Li, X Kong, B Du, K Sato, S Konishi… - … on Dielectrics and …, 2020 - ieeexplore.ieee.org
In this paper, space charge behavior over a large range of electric field and temperature, of
two kinds of epoxy resins are investigated using an improved pulsed electro-acoustic …

Polydopamine-enabled surface modification to improve the dielectric property of aramid fiber/epoxy composites for insulation rod

Y Chen, B Du, R Xue, Y Xing… - ACS Applied Polymer …, 2024 - ACS Publications
The poor interfacial adhesion between aramid fiber and epoxy resin is the main issue
affecting the dielectric properties of the aramid fiber-reinforced composite (AFRC). In this …

Atmospheric pressure plasmas and direct fluorination treatment of Al2O3-filled epoxy resin: A comparison of surface charge dissipation

C Zhang, Y Ma, F Kong, P Yan, C Chang… - Surface and Coatings …, 2019 - Elsevier
In this paper, three methods, including dielectric barrier discharge (DBD) etching and
deposition, and direct fluorination, were used for the surface modification of Al 2 O 3-filled …

Effects of gradient magnetic field on charge behavior and electrical tree growth in epoxy resin

MY Wang, BX Du, XX Kong, ZL Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, a high-field magnet experimental system is setup to investigate the dielectric
properties of epoxy resin in the presence of high magnetic field. An asymmetric …

Surface charge decay of epoxy resin treated by AP-DBD deposition and direct fluorination

C Zhang, Y Ma, F Kong, R Wang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Both atmospheric pressure dielectric barrier discharge (AP-DBD) deposition and direct
fluorination are effective methods to modify the surface electrical properties of polymer …

Influence mechanisms of electron beam irradiation on surface flashover in vacuum: Electron modification, deposition, and migration

Z Li, P Wang, X Wang, S Wang, J Liu, S Li - Applied Surface Science, 2024 - Elsevier
In surface science, surface flashovers are discharge phenomena that occur at the
gas/vacuum-solid interface. Spacecraft in the universe suffers from high-energy electron …

Effects of electron beam irradiation on insulation characteristics of epoxy/AlN nanocomposites

Y Xing, Y Shen, X Song, Y Yu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Superconducting magnet is one of the core components of international thermonuclear
experimental reactor (ITER). Due to the harsh operating environment, for the sake of …

Effects of Ferromagnetism Particles on Electrical Tree Growth in Epoxy/Fe3O4 Composites in Magnetic Field

MY Wang, BX Du, XX Kong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, Fe 3 O 4 particles with different diameters are added to epoxy resin. Dielectric
properties and the electrical tree growth characteristics of the specimens are tested in …

Effects of temperature gradient on electrical tree growth and partial discharge in silicone rubber under AC voltage

B Du, T Ma, J Su, M Tian, T Han, X Kong - IEEE Access, 2020 - ieeexplore.ieee.org
The Joule heat produced by the current in conductor decreases in the radial direction,
producing a temperature gradient in the insulation. This existing temperature gradient can …

On the dielectric properties of bisphenol A and F epoxy resins blends based on molecular dynamics

YF Wang, BX Du, XX Kong, F Li… - Journal of Physics D …, 2023 - iopscience.iop.org
Bisphenol A and F epoxy resins are often used as the primary insulation in power
equipment. This paper investigates the influence of network structure on the dielectric …