Cableizer ®

Axial thermal stress

If an object is fully restrained so it cannot change length, the thermal expansion causes an axial stress on the fixation points.

Symbol
$\sigma_E$
Unit
N/mm$^2$
Formulas
$E_c \chi_c \left(\theta_{max}-\theta_{min}\right)$
Related
$\chi_c$
Linear thermal expansion coefficient conductor material [1/K]
$E_c$
Young's modulus conductor material [GPa]
$\theta_{max}$
Highest temperature of conductor over a load variation period [°C]
$\theta_{min}$
Min temperature conductor [°C]
Used in
$F_E$
Axial thermal force [N/mm$^2$]