Effect of radiofrequency coil and primary magnetic field on radiolucent composite plates

Abstract

Magnetic Resonance Imaging (MRI) systems need a material compatible with the imaging technique with lesser attenuation and provide accurate images without distortion. Carbon fibers are the best-suited materials for x-ray applications because of their radiolucent properties and reduced attenuation characteristics. However, carbon fiber produces images with distortion in the MRI system by absorbing electromagnetic energy because of its conductive nature. In the present study, five different fiber-reinforced radiolucent composite plates are analyzed to predict their suitability for a radio frequency coil and the effect of a primary magnetic field of 1.5 T and 3.0 T on mechanical responses. Simulation models are built to explore the impact of electromagnetic waves and birdcage coil configurations on composite material and quantify the temperature changes caused due to energy absorption. A multiphysics coupling simulation is being used to understand the effect of stacking sequence, ply orientation, and boundary conditions on the response of composite plates under an electro-magneto-mechanical environment.

Free vibration analysis of a skew sandwich plate with bamboo biocomposite and polylactic acid core under temperature and moisture conditions

“…Several kinds of research on bamboo, bamboo fibers, and BFB have been conducted; chemical and physical treatments are also carried out to enhance the bonding between bamboo fiber reinforcement and several matrix materials, which improves BFB performance. [14][15][16][17][18][19][20][21] Literature reveals several studies on the mechanical characteristics of BFB with a thermosetting matrix such as polyester and epoxy and a biodegradable matrix such as polypropylene. [22][23][24][25][26][27][28] Jindal 25 experimentally investigated mechanical characteristics and properties such as tensile strength, impact strength, and modulus of elasticity.…”