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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 11255003 B1

PDFFull Text
Date of Patent:
Feb. 22, 2022

Filed:

Mar. 30, 2020

Ta-containing fe-ni based superalloys with high strength and oxidation resistance for high-temperature applications

Applicant:

Ut-battelle, Llc, Oak Ridge, TN (US);

Inventors:

Ying Yang, Farragut, TN (US);

Bruce A. Pint, Knoxville, TN (US);

Jonathan D. Poplawsky, Knoxville, TN (US);

Lizhen Tan, Knoxville, TN (US);

Assignee:

UT-BATTELLE, LLC, Oak Ridge, TN (US);

Attorney:

Fox Rothschild LLP

Primary Examiner:

Brian D Walck

Int. Cl.
CPC ...
C22C 30/00 (2006.01); C22C 38/48 (2006.01); C22C 38/08 (2006.01); C22C 38/18 (2006.01);
U.S. Cl.
CPC ...
C22C 30/00 (2013.01); C22C 38/08 (2013.01); C22C 38/18 (2013.01); C22C 38/48 (2013.01);
Abstract

A Fe—Ni based alloy comprising, in weight percent: Ni 30-35; Cr 12-14; Al 3-5; Ti 0-2; Ta 2-8; C<=0.05; B<=0.005; Zr<=0.2; Si<0.5; where Cr/(Cr+Fe+Ni)=0.125-0.145; Al/(Al+Ti+Ta)=0.15-0.5; and Fe≥Ni; balance Fe, the alloy having a face-centered cubic (fcc) matrix with from 25 to 30 vol. % of L1-type γ'-Ni3M (M=Al, Ta, Ti and mixtures thereof) precipitates.

Find Patent Forward Citations

Yang, Ying. (2022). Ta-containing fe-ni based superalloys with high strength and oxidation resistance for high-temperature applications (U.S. Patent No. 11255003). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11255003

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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