Young's Modulus

Written by Jerry Ratzlaff on . Posted in Thermodynamics

Young's modulus ( \(Yo\) ) (also known as elastic modulus, modulus of elasticity and tension modulus) measures the stiffness of an elastic material.  The ratio of the longitudinal stress applied to a body or substance to the resulting longitudinal strain within the elastic limits.


\(E = \frac { \sigma } { \epsilon } \)


\(E\) = Young's modulus

\(\sigma\) (Greek symbol sigma) = stress

\(\epsilon\) (Greek symbol epsilon) = strain

Solve for:

\(\sigma = E \epsilon \)

\(\epsilon = \frac { \sigma } { E } \)


Tags: Equations for Stress