Process for obtaining a composite material and composite material obtained by said process

A process for producing a composite material comprising a base having a nickel surface and a gold layer metallurgically bonded to the nickel of the base and having sufficient nickel to increase the hardness of the gold layer but insufficient to significantly destroy the distinctive color of the gold...

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Bibliographische Detailangaben
Hauptverfasser:	CONARD, BRUCE R, HOPE, DOUGLAS A, BELL, JAMES A. E
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR BRACELETS CHEMISTRY COINS ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES HABERDASHERY HUMAN NECESSITIES JEWELLERY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY OTHER PERSONAL ADORNMENTS PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for producing a composite material comprising a base having a nickel surface and a gold layer metallurgically bonded to the nickel of the base and having sufficient nickel to increase the hardness of the gold layer but insufficient to significantly destroy the distinctive color of the gold layer comprises depositing the gold layer on the nickel and annealing the composite structure to provide the metallurgical bond between the nickel and gold and to interdiffuse said metals, and the composite structure obtained by said process. The composite material is particularly useful as a coinage structure.