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:
May. 09, 1995
Filed:
Nov. 02, 1992
Applicant:
Inventors:
Michael L Santella, Knoxville, TN (US);
Gene M Goodwin, Lenior City, TN (US);
Assignee:
Martin Marietta Energy Systems, Inc., Oak Ridge, TN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C22C / ;
U.S. Cl.
CPC ...
428680 ; 148410 ; 148428 ; 420445 ; 2282623 ;
Abstract
Weldable nickel aluminide alloys which are essentially free, if not entirely free, of weld hot cracking are provided by employing zirconium concentrations in these alloys of greater than 2.6 wt. % or sufficient to provide a substantial presence of Ni--Zr eutectic phase in the weld so as to prevent weld hot cracking. Weld filler metals formed from these so modified nickel aluminide alloys provide for crack-free welds in previously known nickel aluminide alloys.