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:
Feb. 12, 1985
Filed:
Feb. 06, 1984
Applicant:
Inventors:
Laurance L Oden, Albany, OR (US);
John S Dunning, Corvallis, OR (US);
Assignee:
The United States of America as represented by the Secretary of Interior, Washington, DC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75124 ; 7512 / ; 7512 / ; 148 37 ;
Abstract
A two-phase ductile iron-based alloy which is resistant to oxidation and fidation at high temperatures is disclosed. The alloy contains from about 8 to 20 wt % of Cr; about 6 to 30 wt % of Ni; about 3 to 11.5 wt % of Al; and 0 to 2 wt % of Mo; about 0 to 1 wt % of Si; about 0 to 2 wt % of Mn; about to 0 to 0.1 wt % of C; about 0 to 0.02 wt % of S; about 0 to 0.02 wt % of P; about 0 to 1 wt % of Ti; about 0 to 2 wt % of Nb and Ta; and the balance of Fe. The atomic ratio of nickel to aluminum is between 0.8 and 1.2.