What properties does nitinol have?
Nitinol is made of nickel and titanium alloy and with unique properties,
mainly superelasticity and shape memory.
That means nitinol can remember its original shape and return to it
when heated. It also shows great elasticity under stress.
Nitinol Properties (Theoretical)
| Composition | NiTi alloy |
|---|---|
| Appearance | silver |
| Melting Point | 1300 °C |
| Density | 6.45 g/cm3 |
| Poisson's Ratio | 0.33 |
| Specific Heat | 0.20 cal/g·°C |
| Tensile Strength | 895 MPa (Ultimate, fully annealed) |
| Thermal Conductivity | 0.18 W/cm (austenite), 0.086 W/cm (martensite) |
| Thermal Expansion | 11.0 x 10-6/°C (austenite), 6.6 x 10-6/°C (austenite) |
