Method of forming metal matrix composites by use of an immersion casting technique and products produced thereby
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United States of America Patent
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Jul 2, 1996
Issued Date -
N/A
app pub date -
Dec 29, 1994
filing date -
Nov 10, 1988
priority date (Note) -
Expired
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Abstract
The present invention relates to a novel method for forming metal matrix composite bodies. Particularly, a permeable mass of filler material is formed into a preform. An infiltration enhancer and/or an infiltration enhancer precursor and/or an infiltrating atmosphere are also in communication with the preform, at least at some point during the process, which permits molten matrix metal to spontaneously infiltrate the preform when the preform is placed into the molten matrix metal. A means for maintaining the preform at least partially below the surface of the molten matrix metal can also be utilized.
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