Methods for removing support structures in additively manufactured parts are disclosed. A method in accordance with an aspect of the present disclosure comprises inserting a demolition object in a first state into a hollow portion of a 3-D printed part, breaking a support structure within the hollow portion by contact with the demolition object, changing the demolition object into a second state while the demolition object is within the hollow portion of the 3-D printed part, and removing the demolition object from the hollow portion of the 3-D printed part.

Methods for removing support structures in additively manufactured parts are disclosed. A method in accordance with an aspect of the present disclosure comprises inserting a demolition object in a first state into a hollow portion of a 3-D printed part, breaking a support structure within the hollow portion by contact with the demolition object, changing the demolition object into a second state while the demolition object is within the hollow portion of the 3-D printed part, and removing the demolition object from the hollow portion of the 3-D printed part.

A process for manufacturing a turbomachine part coated with a thermal barrier, includes manufacturing the part by additive manufacture; electrophoretic depositing the part of a layer including particles of a ceramic material; consolidating the layer by heat treatment to obtain a ceramic coating.

A process for manufacturing a turbomachine part coated with a thermal barrier, includes manufacturing the part by additive manufacture; electrophoretic depositing the part of a layer including particles of a ceramic material; consolidating the layer by heat treatment to obtain a ceramic coating.

A method of fabricating a near net shape component includes forming a sacrificial shell from a pulverant material using an additive manufacturing process, the shell having an aperture. The method further includes filling the shell with a second pulverant material, subjecting the filled shell to a consolidation process, and removing the shell from the consolidated second pulverant material.

A method of fabricating a near net shape component includes forming a sacrificial shell from a pulverant material using an additive manufacturing process, the shell having an aperture. The method further includes filling the shell with a second pulverant material, subjecting the filled shell to a consolidation process, and removing the shell from the consolidated second pulverant material.

The present disclosure provides zirconium powder particles comprising pure zirconium powder particles with an oxide layer ranging from 0.05 to 5 microns in thickness and/or zirconium alloy powder particles with an oxide layer ranging from 0.05 to 5 microns in thickness. In some embodiments, the zirconium powder particles may be spherical particles, the zirconium powder particles may range from 5 microns to 125 microns in diameter, and/or the zirconium powder particles may have a median particle size ranging from 25 to 70 microns in diameter. The present disclosure further provides methods of producing medical implants or medical implant components by a process that comprises selectively applying energy to such zirconium powder particles to build the medical implants or the medical implant components. In some embodiments, the methods comprise repeatedly forming a layer of zirconium powder particles and irradiating the layer of zirconium powder particles with an energy source.

The present disclosure provides zirconium powder particles comprising pure zirconium powder particles with an oxide layer ranging from 0.05 to 5 microns in thickness and/or zirconium alloy powder particles with an oxide layer ranging from 0.05 to 5 microns in thickness. In some embodiments, the zirconium powder particles may be spherical particles, the zirconium powder particles may range from 5 microns to 125 microns in diameter, and/or the zirconium powder particles may have a median particle size ranging from 25 to 70 microns in diameter. The present disclosure further provides methods of producing medical implants or medical implant components by a process that comprises selectively applying energy to such zirconium powder particles to build the medical implants or the medical implant components. In some embodiments, the methods comprise repeatedly forming a layer of zirconium powder particles and irradiating the layer of zirconium powder particles with an energy source.

The invention relates to a method for the electrochemical polishing of metal surfaces by means of repeating pulse sequences, wherein at least one anodic pulse is provided, the current intensity of which rises continuously in the time curve up to a specifiable value. The invention further relates to the use of said method for components produced in 3-D and to a system therefor.

The invention relates to a method for the electrochemical polishing of metal surfaces by means of repeating pulse sequences, wherein at least one anodic pulse is provided, the current intensity of which rises continuously in the time curve up to a specifiable value. The invention further relates to the use of said method for components produced in 3-D and to a system therefor.