C22C47/12

Method for manufacturing a part out of a metal matrix composite material, and related device

A method (S) for manufacturing a part (1) out of a metal matrix composite material, including the following steps: opening (S1) a device (10) that includes a supporting portion (14) and a molding portion (14); placing (S2) a fibrous reinforcement into the device (10); sealably closing (S3) the device (10) by providing a space between the fibrous reinforcement (2) and the device portions; feeding (S4) the molten metal matrix (3) into the device (10) such as to fill the space between the fibrous reinforcement (2) and the device portions (13, 14); and applying (S5) a force onto the equipment (10) such as to impregnate the fibrous reinforcement (2) with the metal matrix (3).

Method for manufacturing a part out of a metal matrix composite material, and related device

A method (S) for manufacturing a part (1) out of a metal matrix composite material, including the following steps: opening (S1) a device (10) that includes a supporting portion (14) and a molding portion (14); placing (S2) a fibrous reinforcement into the device (10); sealably closing (S3) the device (10) by providing a space between the fibrous reinforcement (2) and the device portions; feeding (S4) the molten metal matrix (3) into the device (10) such as to fill the space between the fibrous reinforcement (2) and the device portions (13, 14); and applying (S5) a force onto the equipment (10) such as to impregnate the fibrous reinforcement (2) with the metal matrix (3).

Intermetallic matrix composite

An intermetallic matrix composite has an intermetallic matrix and a ceramic reinforcement. The intermetallic matrix comprises, in atomic percent: 28.02.0 Nb; 27.02.0 Mo; 27.02.0 Cr; 9.0 2.0 Si; 9.0 2.0 Al; and no more than 10.0 other alloying elements and impurities, if any.

Apparatus and method for directional alignment of nanofibers in a porous medium
10556390 · 2020-02-11 · ·

A method and apparatus for uniformly and directionally aligning and stretching nanofibers inside a porous medium is described. The nanofibers may include nanotubes, nanowires, long-chain polymer molecules or likewise. Porous medium may include a porous layer, fabric, or composite prepreg or likewise. According to one embodiment, an apparatus for directional alignment of nanofiber in a porous medium includes a fluid matrix with nanofibers. A porous medium is provided as well as a device for forcing the fluid matrix radially through the porous medium.

Heat dissipation component for semiconductor element

A heat dissipation component for a semiconductor element includes: a composite part containing 50-80 vol % diamond powder with the remainder having metal including aluminum, the diamond powder having a particle diameter volume distribution first peak at 5-25 m and a second peak at 55-195 m. A ratio between a volume distribution area at particle diameters of 1-35 m and a volume distribution area at particle diameters of 45-205 m is 1:9 to 4:6; surface layers on both composite part principal surfaces, each of the surface layers containing 80 vol % or more metal including aluminum and having a film thickness of 0.03-0.2 mm; and a crystalline Ni layer and an Au layer on at least one of the surface layers, the crystalline Ni layer having a film thickness of 0.5-6.5 m, and the Au layer having a film thickness of 0.05 m or larger.

Heat dissipation component for semiconductor element

A heat dissipation component for a semiconductor element includes: a composite part containing 50-80 vol % diamond powder with the remainder having metal including aluminum, the diamond powder having a particle diameter volume distribution first peak at 5-25 m and a second peak at 55-195 m. A ratio between a volume distribution area at particle diameters of 1-35 m and a volume distribution area at particle diameters of 45-205 m is 1:9 to 4:6; surface layers on both composite part principal surfaces, each of the surface layers containing 80 vol % or more metal including aluminum and having a film thickness of 0.03-0.2 mm; and a crystalline Ni layer and an Au layer on at least one of the surface layers, the crystalline Ni layer having a film thickness of 0.5-6.5 m, and the Au layer having a film thickness of 0.05 m or larger.

Variable-density composite articles, preforms and methods

A metal matrix composite article that includes at least first and second regions, first and second reinforcement materials, a metal matrix composite material occupying the second region of the body and comprising a metal matrix material and the second reinforcement component, a preform positioned in the first region of the body and infiltrated by at least the metal matrix material of the metal matrix composite material. The article further includes a transition region located proximate an outer surface of the preform that includes a distribution of the second reinforcement component comprising a density increasing according to a second gradient in a direction toward the outer surface of the preform.

Variable-density composite articles, preforms and methods

A metal matrix composite article that includes at least first and second regions, first and second reinforcement materials, a metal matrix composite material occupying the second region of the body and comprising a metal matrix material and the second reinforcement component, a preform positioned in the first region of the body and infiltrated by at least the metal matrix material of the metal matrix composite material. The article further includes a transition region located proximate an outer surface of the preform that includes a distribution of the second reinforcement component comprising a density increasing according to a second gradient in a direction toward the outer surface of the preform.

Degradable metal matrix composite
11898223 · 2024-02-13 · ·

The present invention relates to the composition and production of an engineered degradable metal matrix composite that is useful in constructing temporary systems requiring wear resistance, high hardness, and/or high resistance to deformation in water-bearing applications such as, but not limited to, oil and gas completion operations.

Degradable metal matrix composite
11898223 · 2024-02-13 · ·

The present invention relates to the composition and production of an engineered degradable metal matrix composite that is useful in constructing temporary systems requiring wear resistance, high hardness, and/or high resistance to deformation in water-bearing applications such as, but not limited to, oil and gas completion operations.