Mechanical Response of Composites in the Presence of an Electromagnetic Field

Low-Velocity Impact Testing of Electrified Composites: Part I—application of Electric Current

“…The factors contributing to this complex phenomenon may be related to the coupling of mechanical and electromagnetic fields and/or changes in the material properties associated with Joule heating produced in the conducting carbon fibers. Zhupanska and Sierakowski 5–7 have demonstrated that an electromagnetic field, depending on the direction of its application and its intensity, may significantly amplify or reduce the effect of mechanical load in composites.…”

A Study of Composite Strengthening Through Application of an Electric Field

“…All the details of the = electric current density vector current discussion and derivations may be found in Zhupanska ky) = thermal conductivity of the fiber in the radial and Sierakowski [2,3]. It is well known that there is an direction interaction of the mechanical and electromagnetic fields in the k(m) = thermal conductivity of the matrix electrically conductive solids when both mechanical and electromagnetic loads are applied.…”

“…It is well known that there is an direction interaction of the mechanical and electromagnetic fields in the k(m) = thermal conductivity of the matrix electrically conductive solids when both mechanical and electromagnetic loads are applied. [2] and [3] the problems of the static and dynamic mechanical response of where 1 is the unit tensor of the second order, E is electrical DC and AC electric current-carrying composite plates in the permittivity tensor, a is electrical conductivity tensor, 6 0 is the presence of mechanical load and immersed in the magnetic field are considered. It is shown that electromagnetic field may permittivity in the vacuum, fi is the displacement vector, D is significantly enhance or reduce the deformed state of the the electric displacement vector, B is the magnetic induction composite plate depending on the direction of its application vector, k is the electric field vector, p, is the charge density and its intensity.…”

Dynamic interactions of electromagnetic and mechanical fields in electrically conductive anisotropic composites

“…ρ is the charge density, j is the electric current density vector, T represents the mechanical stress tensor, F is the body force per unit mass vector, L F is the Lorentz ponderomotive force per unit mass vector, u is the displacement vector, ρ is the material density of the solid body, t is time, and ∇ is the gradient operator. Moreover, it has been shown in [101,102]…”

“…reduce the stress state of the mechanically loaded composite plate. It is important to note that the approach used in[101,102] differs from that of others[69,[91][92][93][94][95][96][97][98][99], where the small disturbance concept was utilized and is capable of field applied to the composite and the propagation of the impact damage: the stronger was the applied field, the less damage was observed in the experiments. The aforementioned results were valid for the case when an electric current was applied immediately before the impact.…”