Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1992-02-25
1994-01-25
Rosenbaum, Mark
Metal founding
Process
Shaping liquid metal against a forming surface
164109, 164129, B22D 1902
Patent
active
052808190
ABSTRACT:
The present invention relates to a novel process for forming a plurality of thin metal matrix composite bodies. Particularly, an infiltration enhancer and/or an infiltrating atmosphere are in communication with a filler material or preform, at least at some point during the process, which permits molten matrix metal to spontaneously infiltrate the plurality of filler materials or preforms. Such spontaneous infiltration occurs without the application of any pressure or vacuum and occurs in a single step. In an embodiment of the present invention, the filler material may be sprayed upon a thin sheet of matrix metal. Alternatively, the filler material may be shaped via tape casting, slip casting, etc. to provide a thin preform. In another embodiment of the present invention, a body of matrix metal may be coated with a filler material such that upon spontaneous infiltration a metal matrix composite body is produced which inversely replicates the configuration of the original body of matrix metal.
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Aghajanian Michael K.
Hannon Gregory E.
Kantner Robert C.
McCormick Allyn L.
Newkirk Marc S.
Lanxide Technology Company, LP
Mortenson Mark G.
Pelto Rex E.
Ramberg Jeffrey R.
Rosenbaum Mark
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