Shape Memory Alloys: niti_cu
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_cu | ni_40_ti_10cu | 35 | 25 | NiTi-Cu (10% Cu; narrow hyst) | excellent | 6,400 | 10 | 2,000,000 | 20 | 0 | 15 | 80 | 70 | 25 | Higher Cu further narrows hysteresis to ~10C; reduced recovery strain | 4 | 850 | 550 |
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