quality:correction, structural:scholar_edition, stylistic:style_transfer
Randomly oriented fibers

Anisotropy in the tensile strength of fiber reinforced composites can be removed by randomly orienting the fiber directions within the material. It sacrifices the ultimate strength in the aligned direction for an overall, isotropically strengthened material.

Where K is an empirically determined reinforcement factor; similar to the particle reinforcement equation. For fibers with randomly distributed orientations in a plane, K ≈ 0.38 {\displaystyle K\approx 0.38}, and for a random distribution in 3D, K ≈ 0.20 {\displaystyle K\approx 0.20}.