MULTILAYER REFRACTORY MATERIAL WITH HIGH THERMOMECHANICAL STRENGTH AND EROSION RESISTANCE FOR USE IN EXTREME ENVIRONMENTS, AND PRODUCTION METHOD

The invention relates to a refractory material with high thermomechanical strength and erosion resistance for use in extreme environments, comprising a body, a coating and an intermediate region between the body and the coating, the body comprising a surface made of a metal material selected from am...

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Bibliographische Detailangaben
Hauptverfasser:	JANKOWIAK, Aurélie, JUSTIN, Jean-François, LANGLADE, Cécile, SEVIN, Louise, BERTRAND, Pierre, PELLETIER, Nicolas, GARCIA, Matthieu
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIME, MAGNESIA METALLURGY REFRACTORIES SLAG SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to a refractory material with high thermomechanical strength and erosion resistance for use in extreme environments, comprising a body, a coating and an intermediate region between the body and the coating, the body comprising a surface made of a metal material selected from among: rhenium, tantalum, niobium, molybdenum, iridium, tungsten, and their alloys, the coating being made of a refractory ceramic material comprising hafnium and having a cubic phase, a perovskite phase or a rhombohedral phase, the intermediate region being made of a refractory material with a melting point greater than 2,700 K and comprising said metal material and said ceramic material. Matériau réfractaire à haute tenue thermomécanique et résistance à l'érosion pour applications en environnement extrême, comprenant un corps, un revêtement et une région intermédiaire entre le corps et le revêtement, le corps comprenant une surface réalisée en un matériau métallique choisi parmi : rhénium, tantale, niobium, molybdène, iridium, tungstène et leurs alliages, le revêtement étant réalisé en un matériau céramique réfractaire comprenant du hafnium et présentant une phase cubique, une phase pérovskite ou une phase rhomboédrique, la région intermédiaire étant réalisée en un matériau réfractaire de température de fusion supérieure à 2700 K et comprenant ledit matériau métallique et ledit matériau céramique