Structure of the B2 phase in Ti-25Al-25Mo alloy

The structure of the B2 phase has been investigated in Ti-25Al-25Mo alloy using Rietveld refinement of X-ray and neutron diffraction data in as-cast and solution-treated conditions. Different initial structure models have been used for the refinement. The site occupancy of the various chemical const...

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Bibliographic Details
Published in:Philosophical magazine (Abingdon, England) England), 2007-12, Vol.87 (34), p.5435-5445
Main Authors: Singh, A. K., Kumar, S., Banumathy, S., Mandal, R. K.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Inorganic compounds
Materials science
Neutron diffraction and scattering
Physics
Single-crystal and powder diffraction
Solid solution, precipitation, and dispersion hardening
aging
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
Treatment of materials and its effects on microstructure and properties
X-ray diffraction and scattering
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Summary:The structure of the B2 phase has been investigated in Ti-25Al-25Mo alloy using Rietveld refinement of X-ray and neutron diffraction data in as-cast and solution-treated conditions. Different initial structure models have been used for the refinement. The site occupancy of the various chemical constituents in the B2 phase has been calculated and compared with earlier investigations. The relative merits of neutron diffraction over X-ray diffraction for structural refinement of the B2 phase in Ti-25Al-25Mo alloy have been demonstrated.
ISSN:1478-6435
1478-6443
DOI:10.1080/14786430701654378