Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1989-11-07
1992-11-17
Seidel, Richard K.
Metal founding
Process
Shaping liquid metal against a forming surface
164 98, 164100, B22D 1914
Patent
active
051634988
ABSTRACT:
The present invention relates to a novel process for forming net or near net-shape metal matrix composite bodies. Particularly, a molten matrix metal is in contact with a filler material or a preform in the presence of a reactive atmosphere, at least at some point during the process, which permits molten matrix metal to react, at least partially or substantially completely, with the reactive atmosphere, thereby causing molten matrix metal to infiltrate the filler material or preform due to the creation of a self-generated vacuum. Forming a glassy seal on the reaction system, the self-generated vacuum infiltration occurs without the application of any external pressure or vacuum. The molten matrix metal infiltrates the filler material up to at least a portion of a provided barrier means.
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Dwivedi Ratnesh K.
Kantner Robert C.
Antolin Stanislav
Lanxide Technology Company, LP
Lewis Carol A.
Mortenson Mark G.
Pelto Rex E.
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