Abstract
In-situ observation of the transformation of laser surface melted TiAl intermetallic alloy was carried out during the annealing treatment. The effect of temperature on the rate of dendritic structure refinement and the mechanism of refinement were discussed. The results show that the dendritic structure formed by laser surface melting during the annealing treatment will transform into fine-grained structure, which offers a good structural basis to superplastic/diffusion bonding.
| Original language | English |
|---|---|
| Pages (from-to) | 385-388 |
| Number of pages | 4 |
| Journal | Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research |
| Volume | 16 |
| Issue number | 4 |
| State | Published - Aug 2002 |
Keywords
- Annealing treatment
- Laser surface treatment
- Microstructure
- TiAl based alloy
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