type: thermalexpansion
references:
- https://commons.wikimedia.org/wiki/File:Coefficient_dilatation_lineique_aciers.svg,
fit to image description (Scilab code)
Alpha_11: 10.2e-6
Alpha_11,T: 1.260e-08
Alpha_11,T^2: -1.000e-11
T_ref: 293.15