Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10626458 | Ceramics International | 2005 | 9 Pages |
Abstract
Air plasma spraying and in situ laser irradiation by diode laser processes were combined to modify structural characteristics of TBCs. Results show that in situ laser remelting induces: (i) the growth of a columnar dendritic structure, which is promising concerning the thermo-mechanical properties of the coating; (ii) no phase transition: the main phase still remains the metastable tetragonal (tâ²) phase after laser treatment; (iii) an increase of the porosity level due to the formation of large cracks (as shown by image analysis).
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Guy Antou, Ghislain Montavon, Françoise Hlawka, Alain Cornet, Christian Coddet,