Stock material or miscellaneous articles – All metal or with adjacent metals – Laterally noncoextensive components
Patent
1993-06-15
1995-08-08
Rowan, Kurt
Stock material or miscellaneous articles
All metal or with adjacent metals
Laterally noncoextensive components
164100, B32B 1502
Patent
active
054397502
ABSTRACT:
A cast article having a reinforced structural composite core is disclosed. The cast article includes a structural element which is embedded in the otherwise cast metal article. The structural element is comprised of a metal matrix composite structural core. It includes a plurality of reinforcing fibers within a metal matrix. The fibers are generally a non-metallic material such as a ceramic which degrade at a temperature below the melting temperature of the cast metal comprising the article. The metal matrix composite structural core is encased with a sheath. The sheath, attached to and completely surrounding the core, is made of the same metal as the cast metal article. In a preferred embodiment, the article is a titanium alloy strut for a gas turbine engine.
REFERENCES:
patent: 4314007 (1982-02-01), Gessinger
patent: 4941669 (1990-07-01), Fujisawa
patent: 5066546 (1991-11-01), Materkowski
patent: 5098178 (1992-03-01), Ortabasi
patent: 5260137 (1993-11-01), Rosenthal
Kelly Thomas J.
Maclin Harvey M.
Mercer Gary D.
Mitchell Stephen C.
Ravenhall Richard
General Electric Company
Narciso David L.
Rowan Kurt
Squillaro Jerome C.
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