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. 09, 1993
Filed:
Jul. 25, 1991
Applicant:
Inventors:
Manfred Peters, Bad Honnef, DE;
Karl-Josef Grundhoff, Troisdorf, DE;
Hartmut Schurmann, Neunkirchen Seelscheid, DE;
Yong-Tai Lee, Changwon, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148671 ; 148421 ; 148670 ; 420421 ;
Abstract
A process as described for treating Ti.sub.3 Al-based alloys comprising, in ddition to titanium and aluminum as .alpha.-phase-stabilizing element, niobium and further elements stabilizing the .beta.-phase in an amount of from 20 to 30% by weight, wherein the further elements stabilizing the .beta. phase are present in an amount of at least 4% by weight by