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:
Jun. 01, 1993
Filed:
Jul. 22, 1991
Applicant:
Inventors:
Mark S Bertolini, Chula Vista, CA (US);
Brian Norris, San Diego, CA (US);
Michael J Waring, Chula Vista, CA (US);
Assignee:
Rohr, Inc., Chula Vista, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ; C21D / ;
U.S. Cl.
CPC ...
148564 ; 72709 ; 148670 ; 420419 ; 420421 ; 420902 ;
Abstract
A sheet of Ti 6-2-2-2-2 alloy having a starting thickness of between approximately 0.040 inches and 0.187 inches is thermomechanically treated at a temperature of between approximately 1500 degrees F. and 1750 degrees F. at a mechanical strain rate in the range of between approximately 1.times.10.sup.-4 and 1.times.10.sup.-2 inch per inch per second to produce a formed part having a tensile strength which is approximately 33% greater than untreated rolled Ti 6-2-2-2-2 alloy sheet or plate.