A transient liquid phase (TLP) composition includes a plurality of first high melting temperature (HMT) particles, a plurality of second HMT particles, and a plurality of low melting temperature (LMT) particles. Each of the plurality of first HMT particles have a core-shell structure with a core formed from a first high HMT material and a shell formed from a second HMT material that is different than the first HMT material. The plurality of second HMT particles are formed from a third HMT material that is different than the second HMT material and the plurality of LMT particles are formed from a LMT material. The LMT particles have a melting temperature less than a TLP sintering temperature of the TLP composition and the first, second, and third HMT materials have a melting point greater than the TLP sintering temperature.

A downhole component including a first portion; a second portion; a controlled failure structure between the first portion and second portion. A method for improving efficiency in downhole components.

A downhole component including a first portion; a second portion; a controlled failure structure between the first portion and second portion. A method for improving efficiency in downhole components.

Systems and methods for generating graded lattice structures that can be used as infill for additively manufactured articles. Tailored sectioning and field-based smoothing are modified polygon, e.g., circle, packing algorithms that adjust the size of the circles based on physical field data to adapt the infill generation process to a field expected to be experienced by the article. Molecular dynamically generated lattice infill is based on force balancing a node distribution instead of a circle packing. Field data can be utilized to adjust the spacing of the node distribution according to a force balance equilibrium model that accounts for the field expected to be experienced by the article being additively manufactured. The resultant non-uniform honeycomb structures from tailored sectioning, field-based smoothing, and force-balancing robustly and efficiently address the connection issues with traditional non-uniform lattice structures.

Systems and methods for generating graded lattice structures that can be used as infill for additively manufactured articles. Tailored sectioning and field-based smoothing are modified polygon, e.g., circle, packing algorithms that adjust the size of the circles based on physical field data to adapt the infill generation process to a field expected to be experienced by the article. Molecular dynamically generated lattice infill is based on force balancing a node distribution instead of a circle packing. Field data can be utilized to adjust the spacing of the node distribution according to a force balance equilibrium model that accounts for the field expected to be experienced by the article being additively manufactured. The resultant non-uniform honeycomb structures from tailored sectioning, field-based smoothing, and force-balancing robustly and efficiently address the connection issues with traditional non-uniform lattice structures.

In a method for producing a three-dimensional workpiece (12), a first raw material powder (50) is applied to a substrate (18) in order to produce a raw material powder layer consisting of the first raw material powder (50). The raw material powder layer consisting of the first raw material powder (50) is selectively irradiated with electromagnetic radiation or particle radiation in order to produce a solidified first workpiece layer portion (52) from the first raw material powder (50). Non-solidified first raw material powder (50) is then removed from the substrate (18). In the next step, a second raw material powder (54) is applied to the substrate (18), in order to produce a raw material powder layer portion consisting of the second raw material powder (54) adjacent to the first workpiece layer portion (52), The raw material powder layer portion is selectively irradiated with electromagnetic radiation or particle radiation in order to produce a solidified second workpiece layer portion (56) from the second raw material powder (54) adjacent to the first workpiece layer portion (52). The non-solidified second raw material powder (54) is heated in order to produce a continuous porous sintered layer portion (58) from the second raw material powder (54) adjacent to the first workpiece layer portion (52) and the second workpiece layer portion (56).

In a method for producing a three-dimensional workpiece (12), a first raw material powder (50) is applied to a substrate (18) in order to produce a raw material powder layer consisting of the first raw material powder (50). The raw material powder layer consisting of the first raw material powder (50) is selectively irradiated with electromagnetic radiation or particle radiation in order to produce a solidified first workpiece layer portion (52) from the first raw material powder (50). Non-solidified first raw material powder (50) is then removed from the substrate (18). In the next step, a second raw material powder (54) is applied to the substrate (18), in order to produce a raw material powder layer portion consisting of the second raw material powder (54) adjacent to the first workpiece layer portion (52), The raw material powder layer portion is selectively irradiated with electromagnetic radiation or particle radiation in order to produce a solidified second workpiece layer portion (56) from the second raw material powder (54) adjacent to the first workpiece layer portion (52). The non-solidified second raw material powder (54) is heated in order to produce a continuous porous sintered layer portion (58) from the second raw material powder (54) adjacent to the first workpiece layer portion (52) and the second workpiece layer portion (56).

A method of manufacturing a modeled body includes: modeling including applying a modeling solution to each layer of powder laid in a layer, to solidify the powder to model a solidified object; sintering the solidified object to obtain a sintered body of the solidified object; and removing a sacrificial body from the sintered body, to obtain a modeled body. At the modeling, the modeling solution is applied to a modeled body area in the solidified object and a border area in the solidified object such that, after the modeling solution is applied, a density of the powder at the border area is smaller than a density of the powder in the modeled body area. The modeled body area corresponds to the modeled body. The border area corresponds to a border between the modeled body and the sacrificial body.

A method of manufacturing a modeled body includes: modeling including applying a modeling solution to each layer of powder laid in a layer, to solidify the powder to model a solidified object; sintering the solidified object to obtain a sintered body of the solidified object; and removing a sacrificial body from the sintered body, to obtain a modeled body. At the modeling, the modeling solution is applied to a modeled body area in the solidified object and a border area in the solidified object such that, after the modeling solution is applied, a density of the powder at the border area is smaller than a density of the powder in the modeled body area. The modeled body area corresponds to the modeled body. The border area corresponds to a border between the modeled body and the sacrificial body.

Systems and methods for generating molecular dynamic graded lattice structures that can be used as infill for additively manufactured articles. Molecular dynamically generated lattice infill is based on force balancing a node distribution instead of a circle packing. Field data can be utilized to adjust the spacing of the node distribution according to a force balance equilibrium model that accounts for the field expected to be experienced by the article being additively manufactured. The resultant non-uniform honeycomb structures from force-balancing robustly and efficiently address the connection issues with traditional non-uniform lattice structures.