Chemical composition and transformation temperature of SMAs alloys of Cu–Al–Mn with constant Al content.
Sample number | Composition (wt %) | Transformation temperature (K) | Strain recovery (%) | SE (%) | |||||
---|---|---|---|---|---|---|---|---|---|
Cu | Al | Mn | M f | M s | A s | A f | |||
SMA 1N | 80.94 | 12 | 7.06 | 282 | 299 | 304 | 319 | 79 | 8 |
SMA 2N | 82 | 12 | 6.0 | 294 | 318 | 321 | 341 | 91 | 7 |
SMA 1 | 80.94 | 10.54 | 8.52 | 306 | 322 | 325 | 339 | 95 | 8 |
SMA 2 | 81.10 | 10.81 | 8.10 | 334 | 358 | 346 | 370 | 89 | 7 |
SMA 3 | 83.52 | 11.36 | 5.12 | 370 | 390 | 391 | 416 | 90 | 8 |