Journal
MATERIALS & DESIGN
Volume 89, Issue -, Pages 697-702Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2015.10.025
Keywords
Titanium alloys; Laminated structure; Microstructure; Mechanical property; Strengthening
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Funding
- National Natural Science Foundation of China [51401068, 51571070, 51571071]
- China Postdoctoral Science Foundation [2013M541370]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [2013-065]
- China Scholarship Council [201406120135]
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In this paper, we designed and prepared TiBw[Ti-Ti(Al) laminated composites consisting of alternating layers of TiBw/Ti and Ti(Al), which were realized by using Al foils and TiBw/Ti composite foils as raw materials, stacking, and reaction annealing. The design strategy of laminated composites contributes to a good combination of low density (4.33 g/cm(3)), high yield strength (722 MPa) and ultimate strength (783 MPa), and elongation to fracture (8.22%) at room temperature (RT). Investigations on strengthening mechanisms of laminated composites show that about 55.7% of strengthening originates from solid solution effect, while laminated structure strengthening occupies 22.0%, and the rest is covered by TiBw reinforcements. (C) 2015 Elsevier Ltd. All rights reserved.
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