Ordered iron aluminide alloys having an improved room-temperature ductility and method thereof


Ontology type: sgo:Patent     


Patent Info

DATE

1992-01-28T00:00

AUTHORS

Vinod K. Sikka

ABSTRACT

A process is disclosed for improving the room temperature ductility and strength of iron aluminide intermetallic alloys. The process involves thermomechanically working an iron aluminide alloy by means which produce an elongated grain structure. The worked alloy is then heated at a temperature in the range of about 650° C. to about 800° C. to produce a B2-type crystal structure. The alloy is rapidly cooled in a moisture free atmosphere to retain the B2-type crystal structure at room temperature, thus providing an alloy having improved room temperature ductility and strength. More... »

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