Shape Memory Alloys: niti_fe
Shape memory alloy (SMA) properties — transformation temperatures (As, Af, Ms, Mf), recovery strain, superelastic plateau stress, tensile strength, modulus, fatigue life, and hysteresis for NiTi and copper-based alloys
| alloy family | alloy id | austenite finish C (C) | austenite start C (C) | common name | corrosion resistance | density kg m3 (kg/m3) | elongation at break pct (%) | fatigue life cycles (cycles) | hysteresis width C (C) | martensite finish C (C) | martensite start C (C) | max operating temp C (C) | modulus austenite GPa (GPa) | modulus martensite GPa (GPa) | notes | recovery strain pct (%) | tensile strength MPa (MPa) | tensile strength martensite MPa (MPa) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| niti_fe | ni_49_ti_1fe | -80 | -95 | NiTi-Fe (1% Fe; Af~-80C) | excellent | 6,470 | 15 | 500,000 | 30 | -130 | -110 | -40 | 70 | 30 | Fe addition strongly depresses Ms/Af; cryogenic actuator applications | 8 | 800 | 500 |
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