Radiation attenuation of MWCNT and magnetic nanoparticle reinforced PMMA comparative analysis of coefficient

Poly(methyl methacrylate) (PMMA) is a thermoplastic material used in various industrial applications due to its lightweight and durable structure. Multi-walled carbon nanotubes (MWCNT) and magnetic nanoparticles are widely used to improve the mechanical, electrical and radiation attenuation properties of composite materials. It is important to comparatively investigate the ionizing radiation attenuation performance of polymer composites reinforced with MWCNT and cobalt-containing magnetic nanoparticles. In the experiments, measurements were carried out by gamma transmission method using Co-60 and Cs-137 sources. By analyzing the linear attenuation coefficient (µ) and half-value thickness (HVL), the effects of magnetic reinforcement particles and nanoparticle (MWCNT) additives containing cobalt on the radiation absorption capacity of polymer samples were evaluated. By examining the radiation permeability properties of the polymer composite structure, HVL values were determined and comparatively, the gamma radiation absorption capacity was investigated. This study includes results for the development of lightweight and effective radiation shielding materials.