The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 26, 2014

Filed:

Oct. 06, 2010
Applicants:

Kiyohito Ishida, Sendai, JP;

Ryosuke Kainuma, Natori, JP;

Ikuo Ohnuma, Miyagi, JP;

Toshihiro Omori, Sendai, JP;

Keisuke Ando, Natori, JP;

Inventors:

Kiyohito Ishida, Sendai, JP;

Ryosuke Kainuma, Natori, JP;

Ikuo Ohnuma, Miyagi, JP;

Toshihiro Omori, Sendai, JP;

Keisuke Ando, Natori, JP;

Assignee:

Japan Science and Technology Agency, Kawaguchi-shi, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/04 (2006.01); C22C 38/08 (2006.01);
U.S. Cl.
CPC ...
C22C 38/04 (2013.01); C22C 38/08 (2013.01); C21D 2201/01 (2013.01);
Abstract

An Fe-based shape memory alloy comprising 25-42 atomic % of Mn, 12-18 atomic % of Al, and 5-12 atomic % of Ni, the balance being Fe and inevitable impurities, and an Fe-based shape memory alloy comprising 25-42 atomic % of Mn, 12-18 atomic % of Al, and 5-12 atomic % of Ni, as well as 15 atomic % or less in total of at least one selected from the group consisting of 0.1-5 atomic % of Si, 0.1-5 atomic % of Ti, 0.1-5 atomic % of V, 0.1-5 atomic % of Cr, 0.1-5 atomic % of Co, 0.1-5 atomic % of Cu, 0.1-5 atomic % of Mo, 0.1-5 atomic % of W, 0.001-1 atomic % of B and 0.001-1 atomic % of C, the balance being Fe and inevitable impurities.


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