NiTiFe (Shape Memory, Ms < -100°C) vs NiTiNb (Shape Memory, As > 30°C, cryogenic Ms)
Property comparison of NiTiFe (Shape Memory, Ms < -100°C) and NiTiNb (Shape Memory, As > 30°C, cryogenic Ms), both titanium alloy.
| Property | NiTiFe (Shape Memory, Ms < -100°C) | NiTiNb (Shape Memory, As > 30°C, cryogenic Ms) | Difference |
|---|---|---|---|
| Yield strength | 345 MPa | 414 MPa | +20% |
| Tensile strength | 1,070 MPa | 648 MPa | -39% |
| Elongation | 15 % | 15 % | 0% |
| Density | 6,450 kg/m³ | 6,450 kg/m³ | 0% |
| Thermal conductivity | 18 W/m·K | 18 W/m·K | 0% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000011 1/K | 0% |
| Melting point | 1,310 °C | 1,310 °C | 0% |
Difference is NiTiNb (Shape Memory, As > 30°C, cryogenic Ms) relative to NiTiFe (Shape Memory, Ms < -100°C). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- Ni-50-56Ti-2-5Fe
- standard
- ATI Proprietary
- heat treatment
- Solution Annealed
- grade
- Ni-46-50Ti-8-15Nb
- standard
- ATI Proprietary
- heat treatment
- Solution Annealed
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