Brazing of zirconia to Ti and Ti6Al4V
Conference
·
OSTI ID:539134
- Institute for Advanced Materials, Petten (Netherlands); and others
The interface microstructure of tetragonal zirconia (Y{sub 2}O{sub 3}-stab.), (TZP), brazed to itself, Ti and Ti6Al4V with a commercial Ag35Cu1.65Ti filler alloy at 900{degrees}C in vacuum was investigated. TiO formed in the reaction zone in TZP/TZP joints irrespectively the brazing time. In TZP/Ti joints, a complex interface microstructure comprising Ti{sub 2}O, Cu{sub 2}Ti{sub 4}O and Cu-Ti-intermetallics was time dependent. High joint strengths of over 400 MPa were obtained for short brazing times. In TZP/Ti6Al4V joints, the evolution of the microstructure with brazing time depends on diffusion of Ti, Al and V to the interface forming Cu{sub 2}(Ti,A1,V){sub 4}O.
- OSTI ID:
- 539134
- Report Number(s):
- CONF-9604124--
- Country of Publication:
- United States
- Language:
- English
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