Microstructural characterization of a composite Mo reinforced by 25 at.% TiC

Abstract : In the scope of cermet development for structural pieces of future nuclear reactors (1000-1650 degrees C), Mo-TiC(25at.%) was processed by hot isostatic pressure (HIP) and characterized in term of microstructure and chemical composition. The fabrication resulted in a three-phase material so called core/shell microstructure. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analyses, both coupled with X-ray detection (EDX), allowed to highlight the formation of TiC-Mo(15at.%) phase at the TiC/Mo interface, in agreement with the phase diagram. The formation mechanisms of this phase are discussed. (C) 2009 Elsevier B.V. All rights reserved.
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Denis Cédat, Colette Rey, Michel Clavel, Jean-Hubert Schmitt, Marion Le Flem, et al.. Microstructural characterization of a composite Mo reinforced by 25 at.% TiC. Journal of Nuclear Materials, Elsevier, 2009, 385 (3), pp.533-537. ⟨hal-01349341⟩

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