B22F2203/00

ELECTRICAL MEASUREMENT OF A GREEN OBJECT DURING SINTERING

In an example implementation, a sintering system includes a support structure in a sintering furnace to support a token green object during a sintering process. The system includes wires installed into the furnace and through the support structure to contact the object. An impedance meter is operatively coupled to the wires to determine electrical impedance of the object during the sintering process.

ELECTRICAL MEASUREMENT OF A GREEN OBJECT DURING SINTERING

In an example implementation, a sintering system includes a support structure in a sintering furnace to support a token green object during a sintering process. The system includes wires installed into the furnace and through the support structure to contact the object. An impedance meter is operatively coupled to the wires to determine electrical impedance of the object during the sintering process.

METAL 3D PRINTING SYSTEMS FOR USING SAND AS SUPPORTS
20220016710 · 2022-01-20 ·

A 3-dimensional printing system for manufacturing a part is provided. The system includes a building platform having a deposited pattern of metal powder, a sand dispensing nozzle selectively supplying sand to the building platform, a binder dispensing nozzle selectively supplying binder material to the building platform, a robotic arm supporting one or more of the sand dispensing nozzle and the binder dispensing nozzle, the robotic arm moving the one or more of the sand dispensing nozzle and the binder dispensing nozzle, and a processor controlling the robotic arm to position the one or more of the sand dispensing nozzle and the binder dispensing nozzle relative to the deposited pattern of metal powder and control the sand dispensing nozzle and the binder dispensing nozzle to supply powdered sand and binder, respectively, based on a Computer Aided Drafting file associated with the part.

Sub-micron particles of rare earth and transition metals and alloys, including rare earth magnet materials

The present disclosure is directed to methods of preparing substantially spherical metallic alloyed particles, having micron and sub-micron (i.e., nanometer)-scaled dimensions, and the powders so prepared, as well as articles derived from these powders. In particular embodiments, these metallic alloyed particles, comprising rare earth metals, can be prepared in sizes as small 80 nm in diameter with size variances as low as 2-5%.

Sub-micron particles of rare earth and transition metals and alloys, including rare earth magnet materials

The present disclosure is directed to methods of preparing substantially spherical metallic alloyed particles, having micron and sub-micron (i.e., nanometer)-scaled dimensions, and the powders so prepared, as well as articles derived from these powders. In particular embodiments, these metallic alloyed particles, comprising rare earth metals, can be prepared in sizes as small 80 nm in diameter with size variances as low as 2-5%.

POST-PROCESSING OF AN OBJECT OBTAINED BY DIRECT METAL LASER SINTERING
20230321727 · 2023-10-12 ·

The present invention relates to a method and a system for treating a surface of an object obtained by direct metal laser sintering. The object is sintered from a metal powder with a grain size distribution. Due to the manufacturing process, the object can comprise a rough surface with remaining grains of the metal powder attached to the surface. The method according to the present invention provides parameters for post-processing the object to achieve a smooth surface suitable for use in medical imaging systems.

ABRASIVE COATING INCLUDING METAL MATRIX AND CERAMIC PARTICLES
20230321793 · 2023-10-12 ·

A system may include a powder source; a powder delivery device; an energy delivery device; and a computing device. The computing device may be configured to: control the powder source to deliver metal powder to the powder delivery device; control the powder delivery device to deliver the metal powder to a surface of an abrasive coating; and control the energy delivery device to deliver energy to at least one of the abrasive coating or the metal powder to cause the metal powder to be joined to the abrasive coating.

Method for manufacturing a component using an additive process

A method for additively manufacturing components includes additively printing a metallic preform such that the preform contains a predetermined amount of porosity. Furthermore, the method includes working the additively printed preform such that the preform incurs a predetermined amount of deformation. Moreover, the method includes heat treating the worked preform to form a final component.

System and methods for fabricating a component with a laser device

A powder melting device for an additive manufacturing system is provided. The powder melting device includes at least one laser device configured to generate at least one energy beam for forming at least one melt pool in a layer of powdered material. The powder melting device also includes at least two optical elements configured to dynamically induce beam distortion in the at least one energy beam to modify a beam spot incident on the layer of powdered material. The at least two optical elements are configured to induce at least one of an aspect ratio adjustment of the at least one energy beam, an optical powder redistribution between a periphery and a center of the at least one energy beam, and a rotation of the at least one energy beam.

Systems and methods for non-continuous deposition of a component

A method of manufacturing using an additive manufacturing process includes providing a deposition system, the deposition system configured to provide a plurality of cells to form a blank of a part, depositing a first layer of the blank, the first layer comprising a first deposited cell, a second deposited cell spaced apart from the first deposited cell, and a third deposited cell spaced apart from the first deposited cell and the second deposited cell, and depositing a second layer of the part on the first layer, the second layer comprising a fourth deposited cell, a fifth deposited cell spaced apart from the fourth deposited cell, and a sixth deposited cell spaced apart from the fourth deposited cell and the fifth deposited cell. Each of the first layer and the second layer are formed using non-continuous deposition to form the blank.