Abstract
The effects of heat treatment on tensile properties and shape memory effects of Ni-Ti-Nb alloy ave been studied by tensile test at different temperatures and electrical resistance measurement. It has been shown that below 900 t with the increase of solid solution temperature, cooling rate and aging temperature, yield stress decreases whereas elongation increases; yet above 900 °C , yield stress shows no substantial change whereas elongation decreases abruptly. Once specimens deformed at ( M, + 30 °C ) to 16%, transformation hysteresis width around 150 °C can be achieved and shape recovery ratio still remains 70% -80% no matter which kind of heat treatment is taken.
| Original language | English |
|---|---|
| Pages (from-to) | 95-96 |
| Number of pages | 2 |
| Journal | Transactions of Nonferrous Metals Society of China (English Edition) |
| Volume | 7 |
| Issue number | 4 |
| State | Published - 1997 |
| Externally published | Yes |
Keywords
- Alloy heat treatment tensile
- Memory effect
- Ni-ti-nb
- Properties shape
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