A method for removing a support structure in a component produced by additive manufacturing provides that explosive gas introduced into a pressure chamber is ignited, wherein a gas conveying device with which the flame front is guided into the cavity is also additionally provided in the chamber. A tool for carrying out the method is also indicated.

A method for removing a support structure in a component produced by additive manufacturing provides that explosive gas introduced into a pressure chamber is ignited, wherein a gas conveying device with which the flame front is guided into the cavity is also additionally provided in the chamber. A tool for carrying out the method is also indicated.

The invention relates to a compacted and densified metal material having one or more phases formed of an agglomerate of grains, the cohesion of the material being provided by bridges formed between grains, said material having a relative density higher than or equal to 95% and preferably higher than or equal to 98%.

The invention relates to a compacted and densified metal material having one or more phases formed of an agglomerate of grains, the cohesion of the material being provided by bridges formed between grains, said material having a relative density higher than or equal to 95% and preferably higher than or equal to 98%.

An additive manufacturing method of manufacturing a product by laminating metal includes: laminating the metal so as to form a half-finished product of the product and a support; and spraying dry ice pellets having a particle shape to the support, after the laminating.

An additive manufacturing method of manufacturing a product by laminating metal includes: laminating the metal so as to form a half-finished product of the product and a support; and spraying dry ice pellets having a particle shape to the support, after the laminating.

A method of manufacturing a multi-material tubular structure includes spinning a can, depositing a powdered material into the can and compacting the powdered material within the can to provide a tubular structure.

A method of manufacturing a multi-material tubular structure includes spinning a can, depositing a powdered material into the can and compacting the powdered material within the can to provide a tubular structure.

Methods of manufacturing metal, metal-matrix, metal-metal-matrix composite weapon barrels offer barrels with improved thermal performance and rigidity with no, minimal or negative weight increase. A barrel may include a barrel core surrounded by a lightweight, thermally conductive sleeve made from metal, metal-matrix composite (MMC) materials, also referred to as metal-matrix material. The barrel core and barrel sleeve may include aligning features to prevent separation and movement of the sleeve along the core. The disclosed methods provide for material combinations and part designs that prevent separation of their parts over the life of the weapon barrel and allow the barrel to perform at high cadence over the whole temperature range the barrel is used.

An embodiment is a nozzle for use in additive manufacturing and other applications. The nozzle defines a flow path and is configured to generate a supersonic flow of particles or fluid during operation. The embodiment provides at least one auxiliary flow path port that is configured to introduce an auxiliary flow into the nozzle relative to the flow path that protects an internal surface of the nozzle from wear and corrosion, thereby extending the life of the nozzle for extended periods of continuous operation. An embodiment centralizes particle location along its continuous flow path to achieve small footprint material deposition, thereby increasing 3D print resolution for building more intricate components.