B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
75/1.3
B22D 19/14 (2006.01) C04B 41/51 (2006.01) C04B 41/88 (2006.01) C22C 1/10 (2006.01)
Patent
CA 2000774
The present invention relates to the use of a gating means in combination with a spontaneous infiltration process to produce a metal matrix composite body. Particularly, a permeable mass of filler material or a preform is spontaneously infiltrated by molten matrix metal to form a metal matrix composite body. A gating means is provided which controls or limits the areal contact between molten matrix metal and the filler material or preform. The use of a gating means provides for control of the amount of matrix metal which can contact the preform or filler material, which may result in less machining of a formed metal matrix composite body compared with a similar metal matrix composite body made without a gating means. Moreover, the use of a gating means ameliorates the tendency of a formed metal matrix composite body to warp due to the contact between the formed composite body and matrix metal carcass.
Aghajanian Michael Kevork
Langensiepen Ralph Alfred
Wiener Robert James
Lanxide Technology Company Lp
Rogers Law Office
LandOfFree
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