Which is better, a carbon fiber bow blade or a spring steel bow blade?

Spring steel is mainly used in the manufacture of automobiles, airplanes and other transportation shock absorbing springs or shock absorbing steel plates, and in our daily life used saw blades, lock picker, antennae, cutters, and even hairpins, etc. will also use spring steel to manufacture. Carbon fiber material bow blade is flexible, lightweight and not easy to deform. It is very popular with professional athletes. Advantages are good insulation, heat resistance, good corrosion resistance, high mechanical strength, but the disadvantage is brittle, poor wear resistance.