Investment casting

An article may be manufactured by providing a reticulate core element in a mold shell having a shape at least partially corresponding to a shape of the article. The molten metallic material is introduced to the shell so as to at least partially infiltrate into the reticulate core element. The molten...

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Bibliographic Details
Main Author MARCIN JOHN J.JR
Format Patent
LanguageEnglish
Published 02.02.2006
Subjects
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Summary:An article may be manufactured by providing a reticulate core element in a mold shell having a shape at least partially corresponding to a shape of the article. The molten metallic material is introduced to the shell so as to at least partially infiltrate into the reticulate core element. The molten metallic material is permitted to solidify. The shell and the reticulate core element are destructively removed. The removal leaves the article with one or more gas-permeable porous regions.
Bibliography:Application Number: US20040903294