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:
Nov. 15, 1983
Filed:
Jun. 10, 1982
Richard J Lederich, University City, MO (US);
Shankar M Sastry, St. Louis, MO (US);
McDonnell Douglas Corporation, St. Louis, MO (US);
Abstract
Transient titanium alloys having the composition A-XH, where A is titanium or a titanium alloy, such as, Ti-8Al-1Mo-1V, Ti-5Al-2.5Sn, Ti-6Al-4V, or Ti-6Al-2Sn-4Zr-2Mo; where H represents hydrogen and where X is a weight percent value between about 0.01 and 0.5%. The alloys may be produced by heating the base titanium or titanium alloy under pressure in a non-flammable atmosphere containing hydrogen. The alloys containing hydrogen may be formed by superplastic forming techniques. After forming, the original titanium or titanium alloy can be restored by heating the formed part or structure, under vacuum, driving out the hydrogen from the alloy. Parts and structures formed from the transient alloy, and restored, retain the strength and structural integrity of the base alloy.