Titanium aluminide application process and article with titanium aluminide surface

US8475882B2 · kind B2 · utility

Assignee

• General Electric Company · US

Inventors

• Jon Conrad Schaeffer · Simpsonville, US
• Krishnamurthy Anand · Bengaluru, IN
• Sundar Amancherla · Al Khobar, SA
• Eklayva Calla · Savanuru, IN

Key dates

• Filing date: Oct 19, 2011
• Grant date: Jul 2, 2013
• Expiry date: Oct 19, 2031

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2230/80
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A titanium aluminide application process and article with a titanium aluminide surface are disclosed. The process includes cold spraying titanium aluminide onto an article within a treatment region to form a titanium aluminide surface. The titanium aluminide surface includes a refined gamma/alpha2 structure and/or the titanium aluminide is cold sprayed from a solid feedstock of a pre-alloyed powder.