B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/175
B22D 19/14 (2006.01) B22F 3/12 (2006.01) C22C 1/10 (2006.01)
Patent
CA 2000782
The present invention relates to a novel method for forming metal matrix composite bodies and the novel products produced therefrom. A negative shape or cavity, which is complimentary to the desired metal matrix composite body to be produced, is first formed. The formed cavity is thereafter filled with a permeable mass of filler material. Molten matrix metal is then induced to spontaneously infiltrate the filled cavity. Particularly, 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 permits the matrix metal, when made molten, to spontaneously infiltrate the permeable mass of filler material, which at some point during the processing, may become self-supporting. In a preferred embodiment, cavities can be produced by a process which is similar to the so-called lost-wax process.
Lanxide Technology Company Lp
Rogers Law Office
LandOfFree
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