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.:
Date of Patent:
Dec. 07, 2021
Filed:
Jul. 12, 2019
Applicant:
Ut-battelle, Llc, Oak Ridge, TN (US);
Inventors:
Philip J Maziasz, Oak Ridge, TN (US);
Govindarajan Muralidharan, Knoxville, TN (US);
Bruce A. Pint, Knoxville, TN (US);
Kinga A. Unocic, Knoxville, TN (US);
Ying Yang, Farragut, TN (US);
Assignee:
UT-BATTELLE, LLC, Oak Ridge, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/06 (2006.01); C22C 38/34 (2006.01); C22C 38/38 (2006.01); C22C 38/48 (2006.01);
U.S. Cl.
CPC ...
C22C 38/42 (2013.01); C22C 38/06 (2013.01); C22C 38/34 (2013.01); C22C 38/38 (2013.01); C22C 38/44 (2013.01); C22C 38/48 (2013.01);
Abstract
An air castable Fe-based stainless steel alloy comprises in weight % based on the total weight of the alloy 18-22% Cr, 15-22% Ni, 3-6% Al, 0.5-5% Mn, 0-3.5% W, 0-5% Cu, 0-2% Si, 1-2.5% Nb, 0.3-0.6% C balance Fe wherein, Cu+W+Si=0.5-10.5, and the alloy provides an oxidation resistance of 0.5<specific mass change<+2 mg/cmafter 400 one hour cycles at 900° C. in 10% water vapor.