Abstract
The plastic deformation and fracture processes of Ti-3Zr-2Sn-3Mo-25Nb alloy for surgical implants were directly observed by in situ scanning electron microscopy (SEM). The effect of phase transformations on deformation-induced martensitic transformation accompanying the cyclic tensile fracture processes was investigated. The results reveal that the metastable alpha martensites (α ″) promotes deformation-induced martensitic transformation to ductile fracture, whereas the omega (ω) and alpha (α) phases drastically prevent slip dislocation and deformation- induced martensitic transformation to brittle fracture.
| Original language | English |
|---|---|
| Pages (from-to) | 318-322 |
| Number of pages | 5 |
| Journal | Rare Metals |
| Volume | 31 |
| Issue number | 4 |
| DOIs | |
| State | Published - Aug 2012 |
Keywords
- Deformation
- Martensitic phase transformation
- Metastable phases
- Titanium alloys
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