Aspects of the present disclosure relate generally to preparing models of three-dimensional structures. In particular, a model of a three-dimensional structure constructed of porous geometries is prepared. A component file including a porous CAD volume having a boundary is prepared. A space including the porous CAD volume is populated with unit cells. The unit cells are populated with porous geometries having a plurality of struts having nodes on each end. The space is populated with at least one elongated fixation element extending beyond the boundary to produce an interlocking feature enabling assembly or engagement with a mating structure.

The invention relates to a method for producing a three-dimensional component by an electron-beam, laser-sintering or laser-melting process, in which the component is created by successively solidifying predetermined portions of individual layers of building material that can be solidified by being exposed to the effect of an electron-beam or laser-beam source (2) by melting on the building material, wherein thermographic data records are recorded during the production of the layers, respectively characterizing a temperature profile of at least certain portions of the respective layer, and the irradiation of the layers takes place by means of an electron beam or laser beam (3), which is controlled on the basis of the recorded thermographic data records in such a way that a largely homogeneous temperature profile is produced, wherein, to irradiate an upper layer, a focal point (4) of the electron beam or laser beam (3) is guided along a scanning path (17), which is chosen on the basis of the data record characterizing the temperature profile of at least certain portions of the layer lying directly thereunder or on the basis of the data records characterizing the temperature profiles of at least certain portions of the layers lying thereunder.

A method for making an article is disclosed. According to the method, a digital model of the article is generated. The digital model is inputted into an additive manufacturing apparatus comprising an energy source. The additive manufacturing apparatus applies energy from the energy source to successively applied incremental quantities of a powder to fuse the powder to form the article corresponding to the digital model. The powder particles individually include a composite core including a first phase of a first metal and a second phase of a ceramic. A first shell including a second metal is disposed over the core.

Provided is a three-dimensional laminating and shaping apparatus 100 including a column unit 200 that is configured to output an electron beam EB and deflect the electron beam EB toward the front surface of a powder layer 32, an insulating portion that electrically insulates a three-dimensional structure 36 from a ground potential member, an ammeter 73 that is configured to measure the current value indicative of the current flowing into the ground after passing through the three-dimensional structure 36, a melting judging unit 410 that is configured to detect that the powder layer 32 is melted based on the current value measured by the ammeter 73 and generate a melting signal, and a deflection controller 420 that is configured to receive the melting signal to determine the condition for the irradiation with the electron beam.

A heat exchanger includes a core comprising a single piece continuous boundary having a first surface defining a first labyrinth, and an opposing second surface defining a second labyrinth; a first inlet manifold connected to the first labyrinth and configured to supply a first fluid to the first labyrinth; and a second inlet manifold connected to the second labyrinth and configured to supply a second fluid to the second labyrinth; wherein the core comprises a plurality of identical three dimensional unit cell structures replicated in three orthogonal spatial dimensions.

In various embodiments, additive manufacturing is utilized to fabricate three-dimensional metallic parts using metallic alloy wire as a feedstock material.

An object of the present invention is to provide a production method for a backing plate that can reduce displacement of the groove. The present invention relates to a production method for a backing plate, comprising joining a plate-shaped body having a groove on one side and a cover member, wherein: the groove has at least two first parts extending in the longitudinal direction; a region where the body and the cover member are joined to each other has at least four first regions to be joined extending in the longitudinal direction and corresponding to two opposing side surfaces in each of the at least two first parts; and the joining of the body and the cover member to each other in the at least four first regions to be joined is performed by: (a) joining the body and the cover member to each other in one first region to be joined corresponding to one side surface in one first part; (b) joining the body and the cover member to each other in one region to be joined, among the remaining regions to be joined, corresponding to one side surface in another first part; and (c) repeating the step (b).

A tubular member includes a tube body, a tube end, an exterior surface, an interior surface, a nominal wall thickness, a longitudinal axis, a welded seam, and a patch of material. The welded seam forms an arcuate portion of the interior surface, and the patch covers a portion of the interior surface that includes a portion of the welded seam, extending from the tube end to an axially spaced first location. The resulting interior surface from the tube end to the axially spaced first location has a uniform inside diameter.

Provided are workpiece-assemblies, and systems and methods for aligning a plurality of workpieces with a build plane. A system may include an alignment plate, one or more elevating blocks, and a workpiece-assembly. A workpiece-assembly may include a build plate that has a plurality of workpiece docks, a plurality of workpiece shoes that have a slot configured to receive a portion of one or more workpieces respectively inserted or insertable into the plurality of workpiece docks, a plurality of biasing members respectively situated or situatable between the build plate and the plurality of workpiece shoes so as to exert a biasing force upon the workpiece shoes, and one or more clamping mechanisms coupled or couplable to the build plate and operable to secure the plurality of workpiece shoes within the respective workpiece docks.

There is provided a hollow composite magnetic member obtained by partially reforming a hollow member which is formed of a ferromagnetic material containing Cr of 15 mass % or more and 18 mass % or less, in which the reformed portion includes an alloy containing Cr of 8 mass % or more and 18 mass % and Ni of 6.5 mass % or more and 50 mass % or less. Accordingly, a hollow composite magnetic member having a small width of the nonmagnetic portion and a fuel injection valve having the same can be provided.