Abstract: A metal core for hot-forming a titanium-based alloy metal component is disclosed. The metal core has on an outer surface, intended to come into contact with the metal component, a layer of metal carbonitride-enriched material. The metal core comprises a nickel- or cobalt-based alloy. The metal core comprising a steel coating having an outer surface intended to come into contact with the metal component, the steel coating having a layer of metal carbonitride-enriched material. Processes for manufacturing and regenerating the metal core and a process for hot-forming a metal component using the metal core are also disclosed.

Abstract: A metal core for hot-forming a titanium-based alloy metal component is disclosed. The metal core has on an outer surface, intended to come into contact with the metal component, a layer of metal carbonitride-enriched material. The metal core comprises a nickel- or cobalt-based alloy. The metal core comprising a steel coating having an outer surface intended to come into contact with the metal component, the steel coating having a layer of metal carbonitride-enriched material. Processes for manufacturing and regenerating the metal core and a process for hot-forming a metal component using the metal core are also disclosed.

Abstract: A device for applying abradable material to a surface of an annular casing of a turbine engine, wherein the casing extends along a longitudinal axis, comprises a support equipped with first guiding means capable of guiding the support in relation to the casing in a radial direction in relation to the axis of the casing. The support is equipped with second guiding means capable of guiding the support in relation to the casing in an axial direction. The device further includes an application roller pivotally mounted in relation to the support in the axial direction and adjustment means allowing adjustment of the position of the roller in relation to the first guiding means, in the radial direction.

Abstract: Jacquard loom for producing a woven preform from several warp yarns and several weft yarns, the loom including a device for taking up the preform when it is being produced, in order to move it along an axis (X) as it is being formed, which axis is substantially parallel to a production direction for the preform, characterised in that the loom also includes a control for rotating the preform, substantially about the axis.

Abstract: A method of shaping the profile of a fan casing having an inside surface, the method including placing the casing around a surface of revolution of a drum of shaping tooling; interposing at least one bladder that is inflatable under the action of a fluid under pressure between a portion of the inside surface of the casing and the drum, the bladder extending over all or part of the surface of revolution of the drum; stoving the assembly including the casing, the tooling, and the at least one bladder at a predetermined temperature; and during the stoving, applying isostatic pressure via the at least one bladder so as to impart a cylindrical profile to the portion of the inside surface of the casing facing the at least one bladder.

Abstract: A mold for use in fabricating a gas turbine fan casing out of composite material includes a mandrel for having wound thereon a fiber preform of a fan casing and an annular wall with an outside surface of profile corresponding to the profile of the inside surface of the casing that is to be fabricated and of two lateral rims of profiles corresponding to the profiles of outer flanges of the casing that is to be fabricated; a plurality of mold cover angular sectors that are assembled in leaktight manner on the mandrel and that are to close the mold and to compact the fiber preform wound on the mandrel; and a plurality of locking keys configured to lock together in leaktight manner neighboring mold cover sectors. A method of closing such a mold, and a method of fabricating a fan casing are included.

Abstract: A field of rotary blades, and more particularly to a method of fabricating a leading edge shield for protecting such a blade. The method includes at least steps of performing initial plastic deformation on at least one sheet from a pressure side sheet and a suction side sheet, using additive fabrication to add a reinforcement with a fiber insert on at least one of the pressure and suction side sheets, closing the pressure and suction side sheets around a core after the initial plastic deformation and after adding the reinforcement, performing subsequent plastic deformation by pressing the pressure and suction side sheets against an outside surface of the core after the sheets have been closed around the core, and extracting the core.

Abstract: A warp yarn take-up system includes a clamping device for holding a plurality of layers of warp yarns, the clamping device being movable at least in a direction corresponding to the advance direction of the warp yarns. The clamping device includes a bottom clamp, a top clamp, and at least one intermediate clamping element present between the bottom clamp and the top clamp. The bottom clamp, the top clamp, and the at least one intermediate clamping element are held together by clamping.

Abstract: The invention concerns a device (11) for applying abradable material, designed to apply abradable material to a surface of an annular casing (1) of a turbine engine, wherein the casing extends along a longitudinal axis and the device (11) comprises a support (12, 13) equipped with first guiding means (14) capable of guiding the support (12, 13) in relation to a casing (1) in a radial direction in relation to the axis of the casing, the support (12, 13) being equipped with second guiding means (16) capable of guiding the support (12, 13) in relation to the casing (1) in an axial direction, an application roller (20) being pivotally mounted in relation to the support (12, 13) in the axial direction and adjustment means (22, 23) allowing adjustment of the position of the roller (20) in relation to the first guiding means (14), in the radial direction.

Abstract: An injection tooling is configured to inject a polymer resin into a fiber preform for fabricating a part in the form of a body of revolution out of composite material, the part having an internal cavity with back-draft. In order to enable the part to be unmolded after the polymer resin has been injected and polymerized, the tooling includes, arranged at least in the internal cavity, firstly a sectorized ring made up of at least three mutually touching inserts including one forming a keystone, the ring having an outside surface that matches the internal cavity with back-draft and an inside surface that presents natural draft, and secondly a conical drum secured to the inside surface of the sectorized ring to support it and that is withdrawn, once separated from the sectorized ring, relying on the natural draft created by the inside surface of the sectorized ring.

Abstract: Jacquard loom (100) for producing a woven preform (102) from a plurality of warp yarns and a plurality of weft yarns, said loom comprising a device (106) for taking up the preform when it is being produced, in order to move it along an axis (X) as it is being formed, which axis is substantially parallel to a production direction for the preform, characterised in that said loom also comprises means (105) for rotating the preform, substantially about said axis.

Abstract: A method of shaping the profile of a fan casing having an inside surface, the method including placing the casing around a surface of revolution of a drum of shaping tooling; interposing at least one bladder that is inflatable under the action of a fluid under pressure between a portion of the inside surface of the casing and the drum, the bladder extending over all or part of the surface of revolution of the drum; stoving the assembly including the casing, the tooling, and the at least one bladder at a predetermined temperature; and during the stoving, applying isostatic pressure via the at least one bladder so as to impart a cylindrical profile to the portion of the inside surface of the casing facing the at least one bladder.

Abstract: An injection tooling is configured to inject a polymer resin into a fiber preform for fabricating a part in the form of a body of revolution out of composite material, the part having an internal cavity with back-draft. In order to enable the part to be unmolded after the polymer resin has been injected and polymerized, the tooling includes, arranged at least in the internal cavity, firstly a sectorized ring made up of at least three mutually touching inserts including one forming a keystone, the ring having an outside surface that matches the internal cavity with back-draft and an inside surface that presents natural draft, and secondly a conical drum secured to the inside surface of the sectorized ring to support it and that is withdrawn, once separated from the sectorized ring, relying on the natural draft created by the inside surface of the sectorized ring.

Abstract: A field of rotary blades, and more particularly to a method of fabricating a leading edge shield for protecting such a blade. The method includes at least steps of performing initial plastic deformation on at least one sheet from a pressure side sheet and a suction side sheet, using additive fabrication to add a reinforcement with a fiber insert on at least one of the pressure and suction side sheets, closing the pressure and suction side sheets around a core after the initial plastic deformation and after adding the reinforcement, performing subsequent plastic deformation by pressing the pressure and suction side sheets against an outside surface of the core after the sheets have been closed around the core, and extracting the core.

Abstract: A device for localizing a position on a part includes a support to receive the part, a bushing movably mounted with respect to the support, a removable localization member to be inserted into the bushing, and a blocking device to fix the bushing with respect to the support and to maintain it in position.

Abstract: A warp yarn take-up system includes a clamping device for holding a plurality of layers of warp yarns, the clamping device being movable at least in a direction corresponding to the advance direction of the warp yarns. The clamping device includes a bottom clamp, a top clamp, and at least one intermediate clamping element present between the bottom clamp and the top clamp. The bottom clamp, the top clamp, and the at least one intermediate clamping element are held together by clamping.

Abstract: A device for localizing a position on a part (32), comprising a support (24) configured for receiving the part (32), a bushing (40) movably mounted with respect to the support (24), a removable localization member (46, 48) configured for being inserted into the bushing (40) and blocking means (42) able to fix the bushing (40) with respect to the support (24) and to maintain it in position.