Process for producing materials reinforced with nanoparticles and articles formed thereby

A method for forming a dispersion-strengthened material containing nanoparticles (12) that are uniformly dispersed in a matrix phase. The method includes adding nanoparticles (12) and a molten material (14) to a container to form a pool (16) within the container (10) and rotating the container (10)...

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Bibliographische Detailangaben
Hauptverfasser:	PETTERSON, ROGER J, GOWDA, SRINIVASA R, SUBRAMANIAN, PAZHAYANNUR R, OTT, ERIC A, ZABALA, ROBERT J, HUANG, SHYHIN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A method for forming a dispersion-strengthened material containing nanoparticles (12) that are uniformly dispersed in a matrix phase. The method includes adding nanoparticles (12) and a molten material (14) to a container to form a pool (16) within the container (10) and rotating the container (10) to create a convection vortex (20) in the pool. The convection vortex is sufficient to cause the nanoparticles to be incorporated into the molten material so as to yield a molten composite material, and further causes the molten composite material to be ejected from the container. The molten composite material is then cooled to form a solid composite body (24) comprising a uniform dispersion of the nanoparticles.