B22F2003/1054

High temperature hybrid permanent magnet

In at least one embodiment, a hybrid permanent magnet is disclosed. The magnet may include a plurality of anisotropic regions of a Nd—Fe—B alloy and a plurality of anisotropic regions of a MnBi alloy. The regions of Nd—Fe—B alloy and MnBi alloy may be substantially homogeneously mixed within the hybrid magnet. The regions of Nd—Fe—B and MnBi may have the same or a similar size. The magnet may be formed by homogeneously mixing anisotropic powders of MnBi and Nd—Fe—B, aligning the powder mixture in a magnetic field, and consolidating the powder mixture to form an anisotropic hybrid magnet. The hybrid magnet may have improved coercivity at elevated temperatures, while still maintaining high magnetization.

METHOD AND SYSTEM FOR SURFACE DENSIFICATION
20170266726 · 2017-09-21 ·

A method for densifying a surface of a powder metal part, includes blending a plurality of powdered metals to form a powder metal blend, actuating an upper punch and a lower punch to apply pressure to the powder metal blend to compact the powder metal blend, sintering the compacted powder metal blend in an oven, forming the compacted powdered metal blend into the powder metal part, heating a portion of the surface of the powder metal part, and densifying the portion of the surface of the powder metal part for a predetermined period of time after the portion of the powder metal part is heated to a predetermined temperature.

METHOD OF MANUFACTURING SOLID OXIDE ELECTROLYZER CELLS USING A CONTINUOUS FURNACE
20220231317 · 2022-07-21 ·

A method of manufacturing a solid oxide electrolyzer cell (SOEC) includes removing a binder from the SOEC using microwave radiation while the SOEC is disposed in a first zone of a furnace, and sintering the SOEC while the SOEC is disposed in a second zone of the furnace.

MONOLITHIC FUEL DELIVERY SYSTEM
20210388801 · 2021-12-16 ·

A monolithic fuel delivery system for gasoline direct injection to an engine. The system has a common rail tube body from which injector sockets smoothly and seamlessly extend. Uninterrupted junctions are formed between the rail tube body and the injector sockets. The seamless junctions present a sealed relationship between the tube body and the injector sockets.

MONOLITHIC FUEL DELIVERY SYSTEM
20210388801 · 2021-12-16 ·

A monolithic fuel delivery system for gasoline direct injection to an engine. The system has a common rail tube body from which injector sockets smoothly and seamlessly extend. Uninterrupted junctions are formed between the rail tube body and the injector sockets. The seamless junctions present a sealed relationship between the tube body and the injector sockets.

Producing Catalyst-free PDC Cutters

Cutters for a downhole drill bit can be formed by providing a catalyst-free synthesized polycrystalline diamond (PCD) having a cross-sectional dimension of at least 8 millimeters; providing a substrate comprising tungsten carbide; and attaching the synthesized PCD to the substrate comprising tungsten carbide to form a PDC cutter.

ADDITIVE MANUFACTURING PROCESS OF A MOULD USING MICROWAVE RADIATION, MICROWAVE PRINTING DEVICE AND ADDITIVE PRINTING DEVICE FOR 3D PRINTING OF A FILAMENT COMPRISING A FIBRE COMPOSITE MATERIAL
20220193994 · 2022-06-23 ·

A microwave printing device comprising an inlet for a filament 1 of an electrically conductive material, an outlet for the filament and a microwave heating device 4 for heating the filament 1 by means of microwave radiation. The microwave heating device 4 comprises at least one coaxial resonator. The coaxial resonator is formed by an outer conductor, which forms a cavity 11, and a coaxial inner conductor. The coaxial resonator also comprises a microwave radiation input for coupling in microwave radiation. The filament 1 preferably forms the inner conductor or part of the inner conductor of the resonator. A system for the additive manufacture of moulds, comprising the microwave printing device, and a process for the additive manufacture of moulds with the aid of the microwave printing device.

ADDITIVE MANUFACTURING PROCESS OF A MOULD USING MICROWAVE RADIATION, MICROWAVE PRINTING DEVICE AND ADDITIVE PRINTING DEVICE FOR 3D PRINTING OF A FILAMENT COMPRISING A FIBRE COMPOSITE MATERIAL
20220193994 · 2022-06-23 ·

A microwave printing device comprising an inlet for a filament 1 of an electrically conductive material, an outlet for the filament and a microwave heating device 4 for heating the filament 1 by means of microwave radiation. The microwave heating device 4 comprises at least one coaxial resonator. The coaxial resonator is formed by an outer conductor, which forms a cavity 11, and a coaxial inner conductor. The coaxial resonator also comprises a microwave radiation input for coupling in microwave radiation. The filament 1 preferably forms the inner conductor or part of the inner conductor of the resonator. A system for the additive manufacture of moulds, comprising the microwave printing device, and a process for the additive manufacture of moulds with the aid of the microwave printing device.

Aqueous additive production method for the fabrication of metallic bodies
11742096 · 2023-08-29 · ·

A green body for a 3D ceramic and/or metallic body is produced by providing a metal or a mixture of metals and/or a metalloid and/or a non-metal or mixtures thereof in form of at least one aqueous solutions, such as a metal nitrate solution; if more than one aqueous solutions are provided, they differ in composition and/or isotope concentration. One aqueous metal solution is mixed with a gelation fluid at a first temperature to suppress an internal gelation of the feed solution mixture prior to its ejection. The feed solution mixture is ejected by inkjet printing to the green body under construction. The ejected feed solution is heated mixture on the green body to a second temperature to fix it on the green body under construction. Several process steps are repeated according to a 3D production control model until a desired form of the green body is attained.

Rolled (FeCoNiCrRn/Al)-2024Al composite panel and fabrication method thereof
11731178 · 2023-08-22 · ·

Disclosed are a rolled (FeCoNiCrR.sub.n/Al)-2024Al composite panel and a preparation method therefor. The preparation method involves taking pure aluminum as a matrix, adding an FeCoNiCrR.sub.n medium-entropy alloy with a high strength and toughness as an reinforcing phase to prepare an FeCoNiCrR.sub.n/Al composite material, then laminating the FeCoNiCrR.sub.n/Al composite material with aluminum alloy 2024, and preparing the (FeCoNiCrR.sub.n/Al)-2024Al composite board by means of hot-rolling recombination, which solves the problem that high-strength aluminum matrix composites (AMCs) are prone to instantaneous breakability and low ductility, thereby improving the overall performance of the material. The present disclosure adopts microwave sintering (MWS) to fabricate a medium-entropy alloy-reinforced AMC, and adopts hot-roll bonding to fabricate the (FeCoNiCrR.sub.n/Al)-2024Al metal composite panel. The composite panel fabricated by the present disclosure has excellent comprehensive mechanical properties, and has high application values for promoting the application of modern lightweight and high-efficiency industrial materials in aerospace, new energy vehicles, and the like.