Abstract
The novel laminated Ti-TiBw/Ti composites composed of pure Ti layers and TiBw/Ti composite layers have been successfully fabricated by reactive hot pressing. Herein, two-scale structures formed: the pure Ti layer and TiBw/Ti composite layer together constructed a laminated structure at a macro scale. Furthermore, TiBw reinforcement was distributed around Ti particles and then formed a network microstructure in TiBw/Ti composite layer at a micro scale. The laminated Ti-TiBw/Ti composites reveal a superior combination of high strength and high elongation due to two-scale structures compared with the pure Ti, and a further enhancement in ductility compared with the network structured composites. Moreover, the elastic modulus of the laminated composites can be predicted by H-S upper bound, which is consistent with the experimental values.
| Original language | English |
|---|---|
| Pages (from-to) | 596-600 |
| Number of pages | 5 |
| Journal | Journal Wuhan University of Technology, Materials Science Edition |
| Volume | 30 |
| Issue number | 3 |
| DOIs | |
| State | Published - 22 Jun 2015 |
| Externally published | Yes |
Keywords
- H-S bounds
- elastic modulus
- laminated microstructure
- tensile properties
- titanium matrix composites
- two-scale structure
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