METHODS FOR FORMING COMPOSITE COMPONENTS WITH SEALED BI-MATERIAL INTERFACES

Methods for forming composite components with sealed bi-material interfaces include applying a sacrificial material to a surface of a substrate, over-molding the substrate and the sacrificial material with an over-molding material such that the over-molding material covers at least a portion of the...

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Bibliographische Detailangaben
1. Verfasser:	Coppola, Anthony M
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Methods for forming composite components with sealed bi-material interfaces include applying a sacrificial material to a surface of a substrate, over-molding the substrate and the sacrificial material with an over-molding material such that the over-molding material covers at least a portion of the sacrificial material and at least one surface of the substrate, removing the sacrificial material by deflagration to form a composite component with a channel between the substrate and the over-molding material, introducing an uncured sealant into the channel, and curing the sealant to form a sealed composite component. The method can further include removing a portion of the sealant prior to the sealant fully curing. The sealed composite component can include a passage, encircled by the channel, extending between the substrate and the over-molding material. The substrate can be a metal, a polymer, a polymer composite, a ceramic, or a continuous fiber composite material.