Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1996-12-31
1999-06-08
Zimmerman, John J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
428660, 75252, 75254, B32B 106, B32B 1516, B23K 3512, B23K 3532
Patent
active
059103760
ABSTRACT:
A gamma titanium aluminide substrate is hardfaced by providing a hardfacing material with a titanium-aluminum, gamma-titanium aluminide alloy component having a composition of titanium and about 42 to about 49 atomic percent aluminum, and a nonmetallic powder, such as titanium diboride. This hardfacing material is preferably furnished as a hardfacing alloy source in the form of a hollow tube of metallic titanium tube material, and a filler powder within the hollow tube. The filler powder is a filler mixture of an aluminum-containing alloy powder comprising more than about 50 atomic percent aluminum, and the nonmetallic powder. The relative proportions of the titanium tube material and the aluminum-containing alloy powder are such that their net composition is a gamma phase titanium aluminide composition. The hardfacing material is applied to the substrate, as by a welding process.
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General Electric Company
Hess Andrew C.
Narciso David L.
Zimmerman John J.
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