Ultrasonic welding of CF/PEEK composites: Influence of welding parameters on interfacial temperature profiles and mechanical properties

M Bonmatin, F Chabert, G Bernhart, T Cutard… - Composites Part A …, 2022 - Elsevier
This work focuses on ultrasonic (US) welding of CF/PEEK composite containing a PEI layer
at the interface. Welding time, load and amplitude are defined as the welding parameters …

[HTML][HTML] Dielectric dispersion and ac conductivity in—Iron particles loaded—polymer composites

GC Psarras, E Manolakaki, GM Tsangaris - Composites Part A: Applied …, 2003 - Elsevier
Polymer composites of an epoxy resin matrix with randomly dispersed Iron micro-particles in
various amounts were prepared and their dielectric spectra were measured in the frequency …

Enhanced discharged efficiency and high energy density at elevated temperature in polymer dielectric via manipulating relaxation behavior

Y Zhang, Z Liu, L Zhu, J Liu, Y Zhang… - CCS Chemistry, 2020 - chinesechemsoc.org
Polymer dielectrics with excellent dielectric properties and energy storage performance
under elevated temperature are urgently needed in electrical power systems …

Effects of heat and gamma-rays on mechanical and dielectric properties of cross-linked polyethylene

Y Miyazaki, N Hirai, Y Ohki - IEEE Transactions on Dielectrics …, 2020 - ieeexplore.ieee.org
In this study, sheets of cross-linked polyethylene (XLPE) were exposed to various thermal
aging experiments, for various times, with and without concurrent irradiation of gamma rays …

Degradation of flame-retardant cross-linked polyethylene caused by heat, gamma-rays, and steam

Y Ohki, N Hirai - IEEE Access, 2022 - ieeexplore.ieee.org
Various kinds of polymers are used for electrical insulation in nuclear power plants. They are
subjected to thermal and radioactive stresses, depending on their locations. They are also …

Changes in mechanical and dielectric properties of silicone rubber induced by severe aging

S Ito, N Hirai, Y Ohki - IEEE Transactions on Dielectrics and …, 2020 - ieeexplore.ieee.org
Sheets of silicone rubber (SiR) were aged under various aging conditions to examine its
effects on the mechanical and dielectric properties of SiR. Mainly by analyzing the results …

Investigation of structural, thermal and dielectric properties of polypyrrole nanotubes tailoring with silver nanoparticles

J Upadhyay, A Kumar - Composites Science and Technology, 2014 - Elsevier
Polypyrrole nanotube–silver nanoparticles nanocomposites (PPy-NTs/Ag-NPs) have been
synthesized by in situ chemical reduction of silver nitrate (AgNO 3) by sodium borohydride …

Electrical properties of TiO2-filled polyimide nanocomposite films prepared via an in situ polymerization process

JW Zha, ZM Dang, T Zhou, HT Song, G Chen - Synthetic metals, 2010 - Elsevier
To fully understand the reliable electrical properties of the nanocomposite films, their
physical and chemical behaviors as well as dielectric properties were analyzed …

Study on dielectric, thermal, and mechanical properties of the ethylene vinyl acetate reinforced with ground tire rubber

R Mujal-Rosas, J Orrit-Prat… - Journal of …, 2011 - journals.sagepub.com
Mass production of tires, as well as the difficult storage or elimination is a real environmental
problem. Various methods for recycling tires are currently used, such as mechanical …

Surface-gradient-structured polymer films with restricted thermal expansion for high-temperature capacitive energy storage

Z Ran, M Yang, R Wang, J Li, M Li, L Meng, Y Liu… - Energy Storage …, 2025 - Elsevier
The capacitive performance of existing dielectric polymers deteriorates significantly at
elevated temperatures, although their thermal stability far exceeds, which remains a major …