Abstract
This paper reviews the current progresses on the fabrication of TiAl- based composites produced by reaction annealing of elemental Ti and Al matrix composite foils. This technique includes deformation and reaction annealing of the multilayer Ti/Al metal matrix composite (MMC) sheet, which prevents traditionally direct deformation of brittle TiAl intermetallic, and TiAl-based composites sheets with good strength-ductility synergy have been produced. The research on microstructure evolution and forming mechanism of the TiAl-based composites sheet during reaction annealing has been summarized, with the focus on the reaction mechanism between Al-MMCs and Ti during reaction annealing, and the method to eliminate Kirkendall voids is proposed. A feasible proposal is provided to fabricate large scale TiAlbased composite sheets.
| Translated title of the contribution | Recent Progress on the Fabrication of TiAl-Based Composites Sheet by Reaction Annealing of Elemental Foils |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 1625-1636 |
| Number of pages | 12 |
| Journal | Jinshu Xuebao/Acta Metallurgica Sinica |
| Volume | 54 |
| Issue number | 11 |
| DOIs | |
| State | Published - 11 Nov 2018 |
| Externally published | Yes |
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