= 5638.499 m s−1. = 3105.499 m s−1. λ = 9.8160 × 1010. μ = 7.5710 × 1010. ρ = 7850 kg m−3.
Explanation:
Stress [MPa] bolt axial stress. [s] time of propagation of longitudinal wave. [s] time of propagation of shear wave. μ the second-order elastic constants of the material.