Evaluation of mechanical, thermal, and morphological characteristics of prosthetic feet with polypropylene matrix

Background: The materials used in prosthetic components for lower limb amputees, which frequently could not support the essential dynamics for movement at slower rates, previously restricted their mobility. However, novel elements have enabled ausability while aiding individuals in overcoming physical limitations.Object: This study investigated the mechanical, thermal, and morphological properties of prosthetic feet.Method: Employing a modular system technique, six polypropylene laminates reinforced with fibers (Kevlar, N-glass, Carbon, Perlon, and glass fibers) were created. These laminates were then put through tensile, compressive, impact, DSC, surface roughness, and SEM tests. The rule of mixtures was used to obtain density and volume fraction. Results: Hybrid Perlon, carbon, and Kevlar fibers demonstrated the highest tensile, compressive strength, fracture toughness, impact performance, and surface roughness. According to DSC data, mixing different synthetic fibers had an impact on the crystallization temperatures, and the glass transition temperature rose as the number of layers increased. When compared to other hybrid materials, the Kevlar/carbon hybrid composite exhibited fewer flaws on its fractured surface, as indicated by SEM scans.Conclusions: These results demonstrate the intriguing possibilities of orthopedic feet as well as the encouraging developments in biomedical engineering.