METHOD FOR BRAZING A METAL PART ONTO A ZIRCONIA COMPONENT, AND BRAZED IMPLANTABLE DEVICE

A method for brazing a metal part onto a surface of a zirconia component. The method involves the steps of altering the surface state of the component to permit the attachment of a first metallization layer, cleaning the component to eliminate the impurities from its surface, depositing a first meta...

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Bibliographische Detailangaben
Hauptverfasser: PAQUIN Yvan, NUVOLLI Didier
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for brazing a metal part onto a surface of a zirconia component. The method involves the steps of altering the surface state of the component to permit the attachment of a first metallization layer, cleaning the component to eliminate the impurities from its surface, depositing a first metallization layer, having mainly titanium, on the surface of the component, depositing a second metallization layer, having mainly niobium, on the first metallization layer, applying the part against the second metallization layer, depositing a gold brazing metal on the part and the second metallization layer, cooling the brazed area in a temperature-controlled manner, and stress-relieving heat treatment being performed under load on the metal part before brazing.