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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.

Patent No.:

US 10787725 B1

PDFFull Text
Date of Patent:
Sep. 29, 2020

Filed:

Nov. 08, 2016

High entropy alloy article, method for manufacturing same, and product using same

Applicant:

Hitachi Metals, Ltd., Tokyo, JP;

Inventors:

Tadashi Fujieda, Tokyo, JP;

Kousuke Kuwabara, Tokyo, JP;

Mamoru Hirota, Tokyo, JP;

Kinya Aota, Tokyo, JP;

Takahiko Kato, Tokyo, JP;

Akihiko Chiba, Sendai, JP;

Yuichiro Koizumi, Sendai, JP;

Kenta Yamanaka, Sendai, JP;

Assignee:

Hitachi Metals, Ltd., Tokyo, JP;

Attorney:

Volpe and Koenig, P.C.

Primary Examiner:

Jessee R Roe

Assistant Examiner:

Rebecca Janssen

Int. Cl.
CPC ...
C22C 30/00 (2006.01); B33Y 80/00 (2015.01); B22F 3/105 (2006.01); B22F 9/08 (2006.01); B33Y 70/00 (2020.01); F04D 17/10 (2006.01); B33Y 10/00 (2015.01); F04D 29/02 (2006.01); F04D 29/28 (2006.01); B22F 1/00 (2006.01); B22F 3/16 (2006.01); C22C 19/00 (2006.01);
U.S. Cl.
CPC ...
C22C 30/00 (2013.01); B22F 1/00 (2013.01); B22F 1/0011 (2013.01); B22F 3/105 (2013.01); B22F 3/16 (2013.01); B22F 9/08 (2013.01); B22F 9/082 (2013.01); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12); C22C 19/00 (2013.01); F04D 17/10 (2013.01); F04D 29/02 (2013.01); F04D 29/023 (2013.01); F04D 29/28 (2013.01); F04D 29/284 (2013.01); B22F 2301/15 (2013.01); B22F 2301/205 (2013.01); B22F 2301/35 (2013.01); B22F 2304/10 (2013.01); B33Y 10/00 (2014.12);
Abstract

An object of the invention is to provide: an HEA article that has excellent homogeneity in the alloy composition and microstructure as well as significant shape controllability, using an HEA with significant mechanical strength and high corrosion resistance; a method for manufacturing the HEA article; and a product using the HEA article. There is provided an HEA article comprising: Co, Cr, Fe, Ni, and Ti elements, each element in content of 5 to 35 atomic %; more than 0 atomic % to 8 atomic % of Mo %; and remainder substances of unavoidable impurities.

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