Abstract: A combined continuous casting and endless rolling plant for a metal strip, comprising—a continuous casting line (1) for casting a slab;—a first rolling mill (6) for roughing the slab and for obtaining a transfer bar;—a second rolling mill (11) for finishing the transfer bar and for obtaining a strip;—a third rolling mill (18), comprising at least two first rolling stands (17), for further reducing the thickness of the strip;—accumulation means (20) of the strip, downstream of said third rolling mill (18), comprising at least one first high-capacity reel (37, 37?) dimensioned to wind and unwind a coil weighing from 80 to 250 tons and/or up to 6 meters in diameter, named mega coil;—flying cutting means (13), arranged between said third rolling mill (18) and said accumulation means (20), configured to cut the strip after the mega roll has been wound on the at least one first reel (37, 37?);—a cutting and winding line (22), downstream of said accumulation means (20), for cutting the strip of the mega coil and win

Abstract: Microelectronics and the manufacture of microelectronic components for an integrated circuit operating at a high frequency are disclosed. Production of micro-inductors having a high induction density and high quality factor, in particular at a usage frequency greater than 1 GHz, or even greater than 5 GHz, is disclosed. A nanocomposite 1 including magnetic alloy nanoparticles 10 at least partially includes a soft magnetic alloy, an insulating matrix 20, and insulating nanoparticles 30, the nanoparticles being supported in the matrix and the soft magnetic alloy nanoparticles being encapsulated by insulating nanoparticles.

Abstract: A method of annealing a steel sheet in an annealing furnace, including: supporting and conveying a steel sheet with hearth rolls; and supporting and conveying the steel sheet with a full-ceramic hearth roll as a hearth roll located in an area where a furnace temperature is equal to or higher than 950° C., wherein a main constituent of the full-ceramic hearth roll is silicon nitride with use of an Al—Y-based sintering aid.

Abstract: The method heats the metal foil made of amorphous soft magnetic material while bringing the metal foil into close contact with a placement surface of a metal base such that the metal foil conforms to the placement surface, to crystallize the amorphous soft magnetic material of the metal foil into nano-crystal soft magnetic material. In the crystallization, the metal foil is heated at a heating temperature to crystallize the amorphous soft magnetic material, the heating temperature being higher than or equal to a crystallization starting temperature at which the amorphous soft magnetic material crystallizes into nano-crystal soft magnetic material and allowing a temperature of the placement surface to be lower than a temperature of the metal foil having temperature rise due to heat generated by self-heating during crystallization, and the heat generated by self-heating of the metal foil during crystallization is absorbed by the base.

Abstract: The device and method for manufacturing metal clad plates in way of continuous casting and rolling provided by the present invention, combines the continuous casting, rolling and heat treatment methods used for single material production with the continuous and large-scale production method of composite strip, greatly improves the production efficiency of composite plates. The present invention can be used for producing single-sided or double-sided composite plates with different thickness specifications, wherein the base material or the composited material can be selected in a wide range, including carbon steel, stainless steel, special alloy steel, titanium, copper and the like. The invention realizes the production of composite plates by continuous casting and rolling, and reduces energy consumption and costs.

Abstract: The invention provides a powder magnetic core and a method for manufacturing a powder magnetic core through simple compression molding and capable of manufacturing a complicatedly shaped powder magnetic core with reliable high strength and insulating properties. A method for manufacturing a powder magnetic core with a metallic soft magnetic material powder includes: a first step including mixing a soft magnetic material powder and a binder; a second step including compression molding the mixture obtained after the first step; a third step including performing at least one of grinding and cutting on the compact obtained after the second step; and a fourth step including heat-treating the compact after the third step, wherein in the fourth step, the compact is heat-treated so that an oxide layer containing an element constituting the soft magnetic material powder is formed on the surface of the soft magnetic material powder.

Abstract: A method for producing a high strength uncoated steel sheet having an improved strength and an improved formability, including the steps of: providing an uncoated steel sheet; annealing the sheet at an annealing temperature TA higher than 865° C. but less than 1000° C. for a time of more than 30 s; cooling the sheet down to a quenching temperature QT between 310° C. and 375° C., at a cooling speed of at least 30° C./s; heating the sheet up to a partitioning temperature PT between 370° C. and 470° C. and maintaining the sheet at the partitioning temperature for a partitioning time Pt between 50 s and 150 s; and cooling the sheet down to the room temperature.

Abstract: A laser-solid-forming manufacturing device includes a laser emitter, a magnetic field generator, and a forming platform. The laser emitter emits a laser beam which acts on a feedstock to form a molten pool. The magnetic field generator includes a spiral copper coil, a first electrode and a second electrode. The spiral copper coil is formed by spirally winding a copper tube. The first and second electrodes are arranged at respective ends of the copper tube and are used for loading a voltage to generate a magnetic field in the spiral copper coil. At any time, the spiral copper coil sleeves an action point of the laser beam and the feedstock. A corresponding laser-solid-forming manufacturing method is also presented.

Abstract: A method for producing a thin-walled metal part with complex geometry includes mixing a metal powder with a polymer binder in order to obtain a composite mixture, producing a flexible composite sheet from the composite mixture, cutting, in the flexible composite sheet, a preform based on a contour of the metal part, applying the preform in a mold having a surface configured with a relief of the metal part, and debinding and sintering the preform in order to obtain the metal part.

Abstract: A cooling roll including an axle and a sleeve, the sleeve having a length and a diameter and being structured as follows: an inner cylinder, a plurality of magnets disposed along at least a portion of the inner cylinder length, each magnet being defined by a width, a height and a length, a cooling system surrounding at least a portion of the plurality of magnets, the cooling system and the plurality of magnets being separated by a gap defined by a height, the gap height being the smallest distance between a magnet and the cooling system above, the magnets having a width such that the following formula is satisfied: gap height×1.1?magnet width?gap height×8.6.

Abstract: A method is for producing a high strength coated steel sheet having a yield stress YS>800 MPa, a tensile strength TS>1180 MPa, and improved formability and ductility. The steel contains: 15%?C?0.25%, 1.2%?Si?1.8%, 2%?Mn?2.4%, 0.1%?Cr?0.25%, Al?0.5%, the remainder being Fe and unavoidable impurities. The sheet is annealed at a temperature higher than Ac3 and lower than 1000° C. for a time of more than 30 s, then quenched by cooling it to a quenching temperature QT between 250° C. and 350° C., to obtain a structure consisting of at least 60% of martensite and a sufficient austenite content such that the final structure contains 3% to 15% of residual austenite and 85% to 97% of martensite and bainite without ferrite, then heated to a partitioning temperature PT between 430° C. and 480° C. and maintained at this temperature for a partitioning time Pt between 10 s and 90 s, then hot dip coated and cooled to the room temperature.

Abstract: Extrados structural element made from an aluminum, copper and lithium alloy and method for manufacturing same. An alloy with composition (in wt %) 4.2-5.2 Cu, 0.9-1.2 Li, 0.1-0.3 Ag, 0.1-0.25 Mg, 0.08-0.18 Zr, 0.01-0.15 Ti, an Fe and Si content level less than or equal to 0.1% each, and other element with content level less than or equal to 0.05% each and 0.15% in total, is poured, homogenized, deformed hot, placed in a solution at a temperature of at least 515° C., pulled from 0.5 to 5% and annealed. The combination of magnesium, copper and manganese content with the temperature in solution can reach an advantageous elasticity under compression limit. Products having a thickness of at least 12 mm have, in the longitudinal direction, an elasticity under compression limit of at least 645 MPa and an elongation of at least 7%.

Abstract: A heat treatment device for a thermal treatment of a workpiece is provided with a housing that houses a chamber for accommodating the workpiece for the thermal treatment. A first roller supports the workpiece and moves the workpiece in a moving direction. A first brush seal is provided, wherein the first roller and the first brush seal are arranged relative to each other such that a first side of the workpiece contacts the first roller and a second side of the workpiece that is opposed to the first side contacts the first brush seal such that the first roller and the first brush seal then seal at least a first section of the chamber from a second section of the chamber.

Abstract: An exemplary method for making a metal matrix composite vehicle component includes: using a mold including male and female die portions having mold surfaces and a plurality of spacers; heating the mold to a casting temperature; placing a ceramic preform on the plurality of spacers, the ceramic preform being spaced apart from at least one of the mold surfaces by the spacers; closing the mold to form a mold cavity between the mold surfaces of the male and female die portions, the ceramic preform being disposed within the mold cavity; providing molten metal into the mold cavity; and pressurizing the molten metal to a casting pressure for a casting duration to infiltrate the ceramic preform thereby forming the metal matrix composite vehicle component.

Abstract: A permanent magnet including R and T. R are rare earth elements including Sm and at least one selected from Y and Gd. T is Fe alone or Fe and Co. T maybe partly substituted with M, and M is one or more selected from Ti, V, Cr, Mo, W, Zr, Hf, Nb, Ta, Al, Si, Cu, Zn, Ga and Ge. In a total content of R, Sm content is 60 at % or more and 95 at % or less, and a total content of Y and Gd is 5 at % or more and 35 at % or less. The permanent magnet includes main phase crystal grains having a ThMn12 type crystal structure.

Abstract: Provided is a method for manufacturing a sintered component, which can suppress occurrence of edge chipping when a through-hole is formed in a powder-compact green body and also has a good productivity. The method for manufacturing a sintered component includes a molding step of press-molding a raw material powder containing a metal powder and thus fabricating a powder-compact green body; a drilling step of forming a hole in the powder-compact green body using a drill; a sintering step of sintering the powder-compact green body after drilling, wherein the drill used for drilling has a circular-arc shaped cutting edge on a point portion thereof.

Abstract: Disclosed herein is a method for deoxidizing an Al—Nb—Ti alloy, which includes melting and holding an Al—Nb—Ti alloy containing from 50 to 75 mass % of Al, from 5 to 30 mass % of Nb, and 80 mass % or less in total of Al and Nb by a melting method using a water-cooled copper vessel in an atmosphere of 1.33 Pa to 2.67×105 Pa at a temperature of 1,900 K or more, thereby decreasing an oxygen content thereof. The Al—Nb—Ti alloy is prepared using an alloy material formed of an aluminum material, a niobium material and a titanium material and containing oxygen in a total amount of 0.5 mass % or more.

Abstract: Provided is a sintered bearing for an EGR valve, including raw material powder including 9% by weight to 12% by weight of aluminum, 0.1% by weight to 0.6% by weight of phosphorus, 3% by weight to 10% by weight of graphite, and the balance including copper as a main component, and inevitable impurities. The sintered bearing has a structure of a sintered aluminum-copper alloy. The sintered bearing further includes free graphite distributed in pores formed so as to be dispersed.

Abstract: A preparation method using micro-nano bubbles as crystal seeds to induce spherical or spherical-type silver power production, said method specifically comprising the steps of: pre-adding a prepared dispersing agent solution to a reaction vessel, within the reaction vessel, simultaneously adding a prepared oxidizing solution (an aqueous solution containing silver ions or a silver ammonia solution) and a reducing solution (an aqueous solution containing one or a plurality of hydroxylamine compounds, vitamin C, formaldehyde or hydrazine hydrate), performing a reduction reaction under vigorous stirring, and using the pre-generated micro-nano bubbles within the dispersing agent solution as crystal seeds, the micro-nano bubbles crystal seeds effectively controlling the particle size of reduced silver particles throughout the reduction reaction. The method effectively controls the particle size of the silver powder during production, and also controls the crystal nucleus growth rate and dispersibility.

Abstract: Provided is a method for manufacturing a sintered component, which can suppress occurrence of edge chipping when a through-hole is formed in a powder-compact green body and also has a good productivity. The method for manufacturing a sintered component includes a molding step of press-molding a raw material powder containing a metal powder and thus fabricating a powder-compact green body; a drilling step of forming a hole in the powder-compact green body using a drill; a sintering step of sintering the powder-compact green body after drilling, wherein the drill used for drilling has a circular-arc shaped cutting edge on a point portion thereof.