Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5458440 | Journal of Alloys and Compounds | 2017 | 5 Pages |
Abstract
TiAl and TiAl3 titanium aluminide intermetallic compounds are synthesized directly within a few ten seconds by microwave technique. An initial mixture of TiH2 and Al powders has been used. Such mixture avoids the use of a microwaves susceptor. The hydrogen desorbed during the experiment keep the mixture in a reductive atmosphere thus avoiding possible oxidation. The role of TiH2 is then: (i) to act as a microwave absorber, (ii) to provide a reductive atmosphere and (iii) to provide energy through the hydrogen release reaction. The formation of the various intermetallics has been highlighted by X-ray diffraction and EPMA analysis.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
A.S. Awad, D. Merheb, M. Zakhour, M. Nakhl, J.-L. Bobet,