Electrical insulation and dielectric properties of aramid fiber reinforced epoxy composites under mechanical stress

Y Wang, B Du, Y Chen, X Lin, X Kong - Composites Science and …, 2024 - Elsevier
In this work, an in-situ testing platform that could simultaneously apply high voltage (HV) and
mechanical stress has been established. The dielectric properties evolution of aramid fiber …

DBD plasma treatment of aramid fiber to improve dielectric property of fiber-reinforced composites for GIS insulation rod

B Du, R Xue, X Kong, Y Chen - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this article, aramid fiber surface is treated by dielectric barrier discharge (DBD) plasma,
and various aramid fiber reinforced epoxy composites (AFRCs) are prepared to investigate …

Study on the effect of multi-factor compound action on long-term tensile performance of GFRP composite pipe and life prediction analysis

D Liao, T Gu, J Yan, Z Yu, J Dou, M Hu, F Zhao, J Liu… - Composite …, 2024 - Elsevier
In this work, the glass fiber reinforced plastic (GFRP) composite pipes used as sewerage
pipes in oil and gas field environments were studied. The accelerated aging experiments …

Effect of accelerator on properties of epoxy resin re‐prepared from alcoholysis recycling

X Zhao, W Li, X Yang, W Li, F Zou, W Guo… - High …, 2024 - Wiley Online Library
Alcoholysis has emerged as a crucial method for the degradation of anhydride‐cured epoxy
resin, and the degraded epoxy resin (DER) can be reused to prepare a new resin …

[HTML][HTML] Electrical breakdown mechanism and life prediction of thermal-aged epoxy/glass fibre composites

P Wang, J Liu, Z Li, C Zhang, L Zhang, S Wang… - Polymer Testing, 2024 - Elsevier
Epoxy/glass fibre composites possess excellent mechanical and electrical properties and
are widely utilised in electrical and electronic power equipment. However, the composites …

Electrical degradation dynamics of glass fiber-reinforced epoxy composites considering different fiber orientation

J Li, R Zhao, Y Wang, Y Chen, X Kong, B Du - Composite Structures, 2023 - Elsevier
Glass fiber-reinforced epoxy composites (GFREC) have been widely used in the mechanical
components of electrical and electronic devices because of its lightweight, high mechanical …

Improved dielectric and mechanical properties of aramid fiber reinforced epoxy resin composites by polyethyleneimine grafting

B Du, R Xue, X Kong, Y Chen - Journal of Physics D: Applied …, 2023 - iopscience.iop.org
In this paper, aramid fiber surface is modified by polyethylenimine (PEI) grafting with
abundant-NH 2 active groups after plasma surface activation treatment. Various aramid fiber …

Particle Aggregation State Affecting Insulation Breakdown Characteristics of Epoxy/Al2O3 Composite Under Temperature Gradient

J Li, Y Wang, Y Wang, Q Tang, P Song… - … on Dielectrics and …, 2023 - ieeexplore.ieee.org
Epoxy/Al2O3 composite is widely used in high-voltage gas insulation equipment and cable
terminals because of its excellent heat resistance, mechanical properties, and dimensional …

[HTML][HTML] A smart insulation material achieving self-reporting and autonomous repairing against electrical and mechanical damages based on targeted controllable …

W Pang, W Sima, P Sun, T Yuan, M Yang… - Composites Part A …, 2024 - Elsevier
Under the long-term action of electrical and mechanical stresses, irreversible micro-
damages, such as electrical trees and cracks tend to occur inside solid insulation materials …

High temperature electrical breakdown and energy storage performance improved by hindering molecular motion in polyetherimide nanocomposites

L Yang, D Min, Z Gao, L Yang, Y Zhu, W Liu - Composites Science and …, 2024 - Elsevier
Polyetherimide (PEI) is widely used as a material for high temperature and high power
energy storage capacitors in new energy vehicles and other fields. However, as the …