Journal
ACTA MATERIALIA
Volume 61, Issue 17, Pages 6635-6645Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2013.07.059
Keywords
omega-Ti phase; Ti alloys; X-ray diffraction; Precipitates; Single crystal
Funding
- Ministry of Education, Youth and Sports of Czech Republic [LH13005]
- Czech Science Foundation [P204/11/0785]
- Grant Agency of Charles University in Prague [106-10/251403]
- Czech Research Infrastructures [LM2011025]
Ask authors/readers for more resources
We investigated the size and crystal structure of nanometer-sized omega inclusions in single crystals of beta-Ti alloys by X-ray diffraction pole-figure measurements and reciprocal space mapping. We studied the topotactical relation of the beta and omega crystal lattices, and from the positions and shapes of the diffraction maxima of the omega lattice determined the mean size of the omega inclusions and the misfit of the inclusion lattice with respect to the host lattice, as well as their changes during ageing. The lattice of the omega inclusions exhibits a large positive misfit already before ageing and the misfit is subsequently reduced during the ageing process. Using the theories of elasticity and X-ray scattering we simulated diffuse X-ray scattering around the beta diffraction maxima and demonstrated that the diffuse scattering is caused mainly by local elastic strains in the beta host phase around the omega inclusions. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available