Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1600818 | Intermetallics | 2010 | 5 Pages |
Abstract
We investigated plastically deformed samples of the structurally complex metallic phase c2-Al-Pd-Fe by means of transmission electron microscopy. Composite defects consisting of dislocations and associated local structural modifications were found. The dislocations trail antiphase boundaries and possess large Burgers vector moduli of 7.76 Ã
, which corresponds to half the lattice parameter of the c2-phase. The associated structural modifications comprise an area of 30 Ã 40 nm, and are identified as body-centred inclusions, structurally closely related to the face-centred c2-phase. We discuss the structural modifications as a mechanism to reduce of the total energy of the composite defects.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Marc Heggen, Michael Feuerbacher,