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Development of a new reinforced titanium alloy: Basic research and technological transfer for the Ti-6Al-4V/TiB material

Abstract : Discontinuously reinforced titanium alloys containing in-situ formed TiB needles are emerging as candidate materials for advance applications. This new family of titanium composites presents technical advantages, and it can be less expensive and easily amenable for net-shape manufacturing relative to titanium metal matrix composites developed to date. The production of a master compound by a novel and cost-effective process called Self-propagating High-temperature Synthesis (SHS) has been approached. This master compound could be subsequently used in an investment casting process to obtain TiB reinforced net-shape titanium matrix composites. The SHS technique and its features have been investigated in depth before defining and producing a suitable master compound. Cast samples obtained from the addition of the master compound have been produced and the most important issues concerning the processing, microstructure and mechanical properties highlighted. Finally the industrial viability of the process has been assessed and an estimation of the cost increment compared to the unreinforced titanium castings performed.
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Maider García de Cortázar. Development of a new reinforced titanium alloy: Basic research and technological transfer for the Ti-6Al-4V/TiB material. Material chemistry. Université Sciences et Technologies - Bordeaux I, 2006. English. ⟨tel-00129356⟩

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