Abstract: A method for manufacturing a titanium aluminide blade of a turbine engine, including production of a titanium aluminide ingot, extrusion of the ingot through an opening in a die having one main arm and at least one side arm, such as to obtain a extruded ingot having the shape of a bar with a cross-section having one main arm and at least one side arm substantially perpendicular to the main arm, transverse cutting of the extruded ingot such as to obtain sections of extruded ingot, forging of each section of extruded ingot such as to obtain a turbine engine blade.

Abstract: A method for manufacturing a titanium aluminide blade of a turbine engine, including production of a titanium aluminide ingot, extrusion of the ingot through an opening in a die having one main arm and at least one side arm, such as to obtain a extruded ingot having the shape of a bar with a cross-section having one main arm and at least one side arm substantially perpendicular to the main arm, transverse cutting of the extruded ingot such as to obtain sections of extruded ingot, forging of each section of extruded ingot such as to obtain a turbine engine blade.

Abstract: A method for forging a thermomechanical part and including: providing a billet produced in a titanium alloy having a beta transus temperature; carrying out at least one operation of forging a blank of the billet at a temperature T1 lower than the beta transus temperature Tb from before carrying out the forging operation whereby a blank is completed; carrying out a final forging the blank at a temperature T2 greater than the beta transus temperature Tb from before carrying out the forging operation whereby a blank is completed. The forging operation from the blank-forging carries out, on every point of the billet, a deformation greater than a minimum deformation rate. The method can be used for a rotating part of a turbine engine.

Abstract: An upsetting method for working a metal slug of cylindrical shape and provided with a coating is disclosed. The slug is placed, lengthwise, in a sleeve the internal wall of which leaves a space with respect to the lateral surface of the slug, the slug and sleeve assembly is placed in an upsetting container, and an upsetting force is exerted on the slug on at least one of its transverse surfaces until a determined slenderness ratio has been obtained, and the slug is separated from the sleeve. The slug is upset continuously but only the slug is upset because of the space formed by the internal wall of the sleeve. The material of the sleeve, for example made of steel, is not welded or seized to the slug, which means that it need not be machined in order to separate the two after the operation.

Abstract: The invention relates to a forging press of the hot-die type with an operating temperature above a temperature T, comprising two dies between two die support elements, a thermal insulation means being placed between each die and its support element. The press is characterized in that the said means comprises at least two superposed layers (A, B), a first layer (A) comprising a first material having mechanical and thermal properties suitable for operation at a temperature above the temperature T, a second layer (B) comprising a second material having mechanical and thermal properties suitable for operating at a temperature below the temperature T, the thermal conductivity of which is lower than that of the first material and is approximately equal to 0.2 W/m·K, with a tolerance of 10%. Thanks to the invention, it is possible to obtain an effective thermal insulation means of small thickness.

Abstract: Upsetting method of the invention for working a metal slug of cylindrical shape and provided with a coating, is characterized in that the slug is placed, lengthwise, in a sleeve the internal wall of which leaves a space with respect to the lateral surface of the slug, the slug and sleeve assembly is placed in an upsetting container, and upsetting force is exerted on the slug on at least one of its transverse surfaces until a determined slenderness ratio has been obtained, and the slug is separated from the sleeve. By virtue of the invention, the slug is upset continuously but only the slug is upset, this being permitted because of the space formed by the internal wall of the sleeve. The material of the sleeve, for example made of steel, is not welded or seized to the slug, which means that it need not be machined in order to separate the two after the operation.

Abstract: The invention relates to a forging press of the hot-die type with an operating temperature above a temperature T, comprising two dies between two die support elements, a thermal insulation means being placed between each die and its support element. The press is characterized in that the said means comprises at least two superposed layers (A, B), a first layer (A) comprising a first material having mechanical and thermal properties suitable for operation at a temperature above the temperature T, a second layer (B) comprising a second material having mechanical and thermal properties suitable for operating at a temperature below the temperature T, the thermal conductivity of which is lower than that of the first material and is approximately equal to 0.2 W/m·K, with a tolerance of 10%. Thanks to the invention, it is possible to obtain an effective thermal insulation means of small thickness.