Abstract
An advanced method of producing Al3Ti/Al composites, self-propagating high-temperature synthesis (SHS) in an Al melt, is described. The mole ratio of Al/Ti in the starting powder mixture is an important parameter for that controls the microstructure of the Al3Ti compound produced by SHS. When Al/Ti is much smaller than 3/1 (the stoichiometric ratio), large needle-like Al3Ti structures will be produced. When Al/Ti is close to or larger than this value, the more favorable homogeneously distributed blocky Al3Ti will be obtained. But if Al/Ti ratio is larger than 3.75/1, the SHS process will stop because more heat is consumed for heating up and melting the Al powder.
| Original language | English |
|---|---|
| Pages (from-to) | 147-148 |
| Number of pages | 2 |
| Journal | Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering |
| Volume | 29 |
| Issue number | 3 |
| State | Published - Jun 2000 |
Keywords
- AlTi/Al
- Composite
- SHS
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