Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1993-07-09
1994-09-27
Bradley, P. Austin
Metal founding
Process
Shaping liquid metal against a forming surface
164 98, 164 691, 264 44, 264344, B22D 1902, B22D 1914
Patent
active
053500032
ABSTRACT:
The present invention relates to a novel process for removal of at least a portion of at least one metallic component of a metallic constituent from a multi-phase composite body. Particularly, by providing at least one of an infiltration enhancer or an infiltration enhancer precursor or an infiltrating atmosphere to be in communication with a permeable mass, which contacts at least a portion of a composite body, said metallic component of the composite body, when made molten, is caused to spontaneously infiltrate the permeable mass. Such spontaneous infiltration occurs without the requirement for the application of any pressure or vacuum. The metallic constituent is essentially leached or removed from the multi-phase body by spontaneous infiltration.
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Fareed Ali S.
Johnson William B.
Sonuparlak Birol
Antolin Stanislav
Bradley P. Austin
Lanxide Technology Company, LP
Mortenson Mark G.
Pelto Rex E.
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