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:
Aug. 21, 2007
Filed:
Mar. 26, 2003
Philip J. Maziasz, Oak Ridge, TN (US);
Robert W. Swindeman, Oak Ridge, TN (US);
Bruce A. Pint, Knoxville, TN (US);
Michael L. Santella, Knoxville, TN (US);
Karren L. More, Knoxville, TN (US);
Philip J. Maziasz, Oak Ridge, TN (US);
Robert W. Swindeman, Oak Ridge, TN (US);
Bruce A. Pint, Knoxville, TN (US);
Michael L. Santella, Knoxville, TN (US);
Karren L. More, Knoxville, TN (US);
UT-Battelle LLC, Oak Ridge, TN (US);
Abstract
A wrought stainless steel alloy composition includes 12% to 25% Cr, 8% to 25% Ni, 0.05% to 1% Nb, 0.05% to 10% Mn, 0.02% to 0.15% C, 0.02% to 0.5% N, with the balance iron, the composition having the capability of developing an engineered microstructure at a temperature above 550° C. The engineered microstructure includes an austenite matrix having therein a dispersion of intragranular NbC precipitates in a concentration in the range of 10to 10precipitates per cm.