The fracture behavior of diffusion-bonded duplex gamma TiAl

The fracture behavior of diffusion-bonded duplex gamma TiAl

Solid-state diffusion bonding in conjunction with superplastic forming is a potential candidate for producing complex structural components from gamma-based titanium aluminides for aerospace applications. Solid-state diffusion bonding of TiAl was carried out with different bonding parameters within...

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Veröffentlicht in:JOM (1989) 1996-11, Vol.48 (11), p.66-68
Hauptverfasser: Çam, G., Bohm, K. -H., Müllauer, J., Koçak, M.
Format: Artikel
Sprache:eng
Schlagworte:
Diffusion
Ductility
Fracture mechanics
High temperature
Microstructure
Studies
Tensile strength
Titanium aluminum alloys
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Zusammenfassung:Solid-state diffusion bonding in conjunction with superplastic forming is a potential candidate for producing complex structural components from gamma-based titanium aluminides for aerospace applications. Solid-state diffusion bonding of TiAl was carried out with different bonding parameters within the superplastic temperature range. Defect-free sound bonds were achieved within the temperature range of 925-1100 deg C and the pressure range of 20-40 MPa. Microtensile tests were carried out to evaluate room-temperature tensile properties of the bonds for comparison of the bonding parameters.
ISSN:1047-4838
1543-1851
DOI:10.1007/BF03223248