Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1988-11-10
1991-03-19
Seidel, Richard K.
Metal founding
Process
Shaping liquid metal against a forming surface
164101, B22D 1914
Patent
active
050002457
ABSTRACT:
The present invention relates to the formaton of metal matrix composite bodies by a spontaneous infiltration technique, and novel metal matrix composite bodies produced according to the method. An ingot of matrix metal is surrounded by a permeable mass of filler matrial. An infiltration enhancer and/or an infiltration enhancer precursor and/or an infiltrating atmosphere are also in communication with the filler material, at least at some point during the process, which permit the shaped ingot of matrix metal, when made molten, to spontaneously infiltrate the surrounding permeable mass of filler material. After the spontaneous infiltration, a metal matrix composite body is produced having therein a cavity which substantially corresponds in shape to the original ingot of matrix metal.
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Urquhart Andrew W.
White Danny R.
Lanxide Technology Company, LP
Mortenson Mark G.
Seidel Richard K.
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