Material for a gas turbine component, method for producing a...

Details Material for a gas turbine component, method for producing a... Material for a gas turbine component, method for producing a...

C - Chemistry, Metallurgy

22

C

C22C 14/00 (2006.01) C22F 1/18 (2006.01)

Patent

CA 2703906

The invention relates to a material for a gas turbine component, to be specific a titanium-aluminum-based alloy material, comprising at least titanium and aluminum. According to the invention, said material has a) in the range of room temperature, the B2-Ti phase, the .alpha.2-Ti3Al phase and the .gamma.-TiAl phase with a proportion of the B2-Ti phase of at most 5% by volume, and b) in the range of the eutectoid temperature, the .beta.-Ti phase, the .alpha.2-Ti3Al phase and the .gamma.-TiAl phase, with a proportion of the .beta.-Ti phase of at least 10% by volume.

L'invention concerne un matériau pour un composant de turbine à gaz, plus précisément un matériau d'alliage à base de titane et d'aluminium, contenant au moins du titane et de l'aluminium. Le matériau présente, a) aux alentours de la température ambiante, la phase B2-Ti, la phase a2-Ti3Al et la phase ?-TiAl, la phase B2-Ti représentant au maximum 5 % en vol., et b) aux alentours de la température eutectoïde, la phase ß-Ti, la phase a2-Ti3Al et la phase ?-TiAl, la phase ß-Ti représentant au minimum 10 % en vol.

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