Method of processing and heat-treating NbC-added...

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal

Reexamination Certificate

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C148S653000

Reexamination Certificate

active

06855216

ABSTRACT:
A NbC-added Fe—Mn—Si-based shape memory alloy is provided, showing a shape memory property even if a special treatment such as training is not performed.A Fe—Mn—Si-based shape memory alloy containing Nb and C is rolled by 10 to 30% in a temperature range of 500 to 800° C. under austenite condition, then, subjected to an aging treatment by heating in a temperature range of 400 to 1000° C. for 1 minute to 2 hours.

REFERENCES:
patent: 5198041 (1993-03-01), Takemoto et al.
patent: 5380483 (1995-01-01), Watanabe et al.
patent: 6524406 (2003-02-01), Kikuchi et al.
patent: 1348772 (2003-10-01), None
patent: 2003105438 (2003-04-01), None

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