Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1498681 | Scripta Materialia | 2013 | 4 Pages |
Abstract
The omega phase in as-cast high-Nb-containing TiAl alloy exhibits particles with sizes on the nano- or microscale within the B2 matrix. Omega particles are transformed from the B2 phase by heterogeneous nucleation on the B2/γ boundaries or homogeneous nucleation within the B2 phase. After annealing at 900 °C, the omega particles disappear and transform into B2 phase. The transformation is rapidly initiated, but is difficult to complete.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
L. Song, L.Q. Zhang, X.J. Xu, J. Sun, J.P. Lin,