US Patent 7875132 High temperature aluminum alloys

Patent 7875132 was granted and assigned to United Technologies on January, 2011 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

United Technologies

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

78751320

Patent Inventor Names

Awadh B. Pandey0

Date of Patent

January 25, 2011

Patent Application Number

111416250

Date Filed

May 31, 2005

Patent Primary Examiner

Roy King

Patent abstract

High temperature aluminum alloys that can be used at temperatures from about −420° F. (−251° C.) up to about 650° F. (343° C.) are described herein. These alloys comprise aluminum; scandium; at least one of nickel, iron, chromium, manganese and cobalt; and at least one of zirconium, gadolinium, hafnium, yttrium, niobium and vanadiuim. These alloys comprise an aluminum solid solution matrix and a mixture of various dispersoids. These alloys are substantially free of magnesium.