7075 aluminium alloy
>
7075 aluminium alloy is an aluminium alloy with zinc as the primary alloying element. It has excellent mechanical properties and exhibits good ductility, high strength, toughness, and good resistance to fatigue. Wikipedia
Elongation (ε) at break: 11%
Linear thermal expansion coefficient (α): 2.36*10−5 K−1
Poisson's ratio (ν): 0.33
Specific heat capacity (c): 714.8 J/kg*K
Tensile strength (σt): 572 MPa (83.0 ksi)