pub mod coefficient_restitution;
pub mod creep;
pub mod crystal_elastic;
pub mod damping;
pub mod debye_temperature;
pub mod ductile_brittle;
pub mod elastic_moduli;
pub mod fatigue;
pub mod friction;
pub mod hardness;
pub mod hexagonal_elastic;
pub mod paris_law;
pub mod plasticity_hardening;
pub mod surface_energy;
pub mod thermal_expansion;
pub mod thermal_shock;
pub mod toughness;
pub mod wave_speeds;
pub mod wear;
pub mod weibull;
pub mod yield_strength;