Abstract
One has to realize that the best design for cars, aircraft or parts of machines is to be able to carry the loads and conditions of service, from here to the composite materials to combine two or more materials that often have completely different properties Which work together (those materials) to give unique vehicle properties, to be used in electrical, thermal and environmental applications. The composite materials used in the research on epoxy and phenol formaldehyde resins have been mixed in different proportions and then reinforced with carbon fibers, fiberglass and Kevlar fibers to demonstrate the effect on both Electrical conductivity and Electrical dielectric.
Highlights
The electric field causes deformation or translation of the originally symmetrical distribution of the electron clouds of atoms or molecules
Frequency Dependence Frequency dependence: It can be seen from figure (7) that the dielectric constant of unfilled epoxy and epoxy composites decrease with an increasing frequency
In atypical epoxy system based on an epoxy resin cured with a hardener as in the present case, the epoxy component of dielectric constant is governed by the number of oriental dipoles present in the system and their ability to orient under an applied electric field
Summary
The electric field causes deformation or translation of the originally symmetrical distribution of the electron clouds of atoms or molecules. This effect is shared to all materials This polarization effect is small, despite the vast number of atoms within the material, since the moment arm of the dipoles is very short, which maybe comprises only a small fraction of an angstrom [2].The electric field reasons the ions or atoms of a polyatomic molecule to be displaced relative to each other. This is essentially the distortion of the normal lattice vibration, and this is why it is sometimes denoted to as vibrational polarization.
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