Method for firing a ceramic and refractory metal casting core

In an investment casting process, a composite core is formed as a combination of ceramic casting core element and a non-ceramic casting core element. The core is heated in an oxidative atmosphere and then heated in a non-oxidative atmosphere.

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Bibliographic Details
Main Authors BOCHIECHIO, MARIO P, BULLIED, STEVEN J, VERNER, CARL R, KENNARD, LEA D, MARCIN, JOHN J
Format Patent
LanguageEnglish
French
German
Published 17.10.2007
Subjects
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Summary:In an investment casting process, a composite core is formed as a combination of ceramic casting core element and a non-ceramic casting core element. The core is heated in an oxidative atmosphere and then heated in a non-oxidative atmosphere.
Bibliography:Application Number: EP20070251525