Journal
INTERMETALLICS
Volume 18, Issue 2, Pages 254-258Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2009.07.022
Keywords
Composites; Mechanical properties at ambient temperature; Melting; Electron microscopy, scanning; Electron microscopy, transmission
Categories
Funding
- DAPA
- ADD
- Korea Ministry of Science and Technology
- Korean Ministry of Education [BK-21]
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Bulk-type (Ti0.65Fe0.35)(100-x)Ga-x (x = 0, 2, 4 at.%) ultrafine composites with high strength and plasticity have been prepared. The composites have a hypereutectic microstructure with primary FeTi phase and (beta-Ti + FeTi) eutectic matrix. The composites exhibit high fracture strength of 2290-2766 MPa and large plasticity of 4.8-6.5% under compression. Refinement of eutectic structure and control of relative areal fraction of the constituent phases are the crucial factors in determining the mechanical properties. (C) 2009 Elsevier Ltd. All rights reserved.
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