Carbon fibers
Carbon fibers
Carbon fibers have been known at least since 1879. Carbon fibers often referred to as graphite fibers properties of these fibers are high tensile and compressive strength , stiffness, light weight , low coefficient of thermal expansion , good vibration damping , low abrasion and high fatigue resistance , biological compatibility and chemical inertness (70). Carbon fibers made from polyacrylonitrile precursor is successfully used in repairing damaged tendons and ligaments and in absorptive dressings .(71) Carbon fibers are also successfully used as components of bone plats , hip join prostheses , ligaments and hydraulic for artificial heart implants. The use of carbon fiber reduces the weight of the limb to a level suitable for enfeebled geriatric patient and provides sufficient strength and durability to an active high weight amputee .(72) Carbon fiber reinforced ligament has been in clinical use for the treatment of interior cure for ligament damage and the resultant knee instability since braiding composite structure
