PROCESS FOR PRODUCING A SHAPE MEMORY EFFECT ALLOY HAVING A DESIRED TRANSITION TEMPERATURE

A process for producing a shape memory effect alloy having a desired transition temperature. The process includes the steps of: providing at least one prealloyed powder of a shape memory effect alloy having a chemistry similar to that of the to be produced alloy and a transition temperature below th...

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Bibliographische Detailangaben
Hauptverfasser:	BOESCH, WILLIAM JOSEPH, REICHMAN, STEVEN HUGH, FOUNTAIN, RICHARD WILLIAM
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CASTING CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS 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 process for producing a shape memory effect alloy having a desired transition temperature. The process includes the steps of: providing at least one prealloyed powder of a shape memory effect alloy having a chemistry similar to that of the to be produced alloy and a transition temperature below the desired transition temperature of the to be produced alloy; providing at least one other prealloyed powder of a shape memory effect alloy having a chemistry similar to that of the to be produced alloy and a transition temperature in excess of the desired transition temperature of the to be produced alloy; blending said prealloyed powders; consolidating said blended powders; and thermally diffusing said consolidated powders so as to provide a substantially homogeneous alloy of the desired transition temperature.