Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2011-01-11
2011-01-11
La Villa, Michael (Department: 1784)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S671000, C428S673000, C428S674000, C428S675000, C428S678000, C428S627000, C416S22900R
Reexamination Certificate
active
07867628
ABSTRACT:
A brazing material for brazing tungsten/carbide/cobalt substrates (e.g., wear pads) to substrates comprising titanium or alloys thereof (e.g., fan or compressor blades). The brazing material includes gold, nickel, silver, aluminum, and copper present in respective amounts to provide a post-braze hardness of between 450 and 600 KHN to thereby increase the impact resistance of the braze joint. The substrates may be brazed by induction heating at temperatures less than about 1800° F. (982° C.).
REFERENCES:
patent: 7293688 (2007-11-01), Ozbaysal
patent: 08-310877 (1996-11-01), None
Machine Translation, Kashiwagi, JP 08-310877, Nov. 1996.
Andes William Scott
General Electric Company
General Electric Company
La Villa Michael
Louke Marcella R.
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