Patent classifications
B22F2009/0848
Sputtering target of sintered Sb—Te-based alloy
SbTe-based alloy sintered sputtering target having a Sb content of 10 to 60 at %, a Te content of 20 to 60 at %, and remainder being one or more types of elements selected from Ag, In, and Ge and unavoidable impurities, wherein an average grain size of oxides is 0.5 m or less. An object of this invention is to improve the texture of the SbTe-based alloy sintered sputtering target in order to prevent the generation of arcing during sputtering and improve the thermal stability of the sputtered film.
Flat soft magnetic powder and production method therefor
Provided is a flaky soft magnetic powder composed of an FeSiAl alloy containing Si: 5.5 to 10.5 mass %, Al: 4.5 to 8.0 mass %, and Fe and incidental impurities: balance, wherein the flaky powder exhibits a ratio (D.sub.50/TD) of 35 to 92 where D.sub.50 represents the average particle size (m) of the powder and TD represents the tap density (Mg/m.sup.3) of the powder, and the flaky powder exhibits a coercive force of 239 to 479 A/m as measured under application of a magnetic field in an in-plane direction of the flaky powder. The flaky soft magnetic powder exhibits superior sheet formability and has high magnetic permeability.
ALLOY POWDER AND METHOD FOR PREPARING THE SAME
Provided is a method of preparing an alloy powder, comprising the steps of: melting the metal elements to produce the alloy solution; atomizing the alloy solution into small drops under oxygen-containing atmosphere; forcing the small drops to be quickly cooled under the driving of the atomizing flow to obtain the alloy powder; wherein, when the method is used to prepare CuInGa alloy powder, Cu/(In+Ga) is 0.5 to 1.1, In/(In+Ga) is 0.2 to 0.9, Ga/(In+Ga) is 0.1 to 0.8, In/(In+Ga)+Ga/(In+Ga) is 1. Also provided is an alloy powder and a method of preparing CuInGa alloy powder.
METAL-POWDER PRODUCING APPARATUS, AND GAS JET DEVICE AND CRUCIBLE CONTAINER THEREOF
A metal-powder producing apparatus includes a spray chamber, and a plurality of spray nozzles that liquid-spray a melted metal into the spray chamber. Each of the plurality of spray nozzles includes: a liquid nozzle that allows the melted metal to flow down into the spray chamber; and a gas-jet nozzle that has a plurality of gas-jet holes arranged around the liquid nozzle and causing a gas fluid to collide with the melted metal having flowed down from the liquid nozzle.
Free-machining powder metallurgy steel articles and method of making same
A method of making a small diameter elongated steel article such as wire or strip is disclosed. The method includes the step of melting a steel alloy having the following weight percent composition TABLE-US-00001 C 0.88-1.00 Mn 0.20-0.80 Si 0.50 max. P 0.050 max. S 0.010-0.100 Cr 0.15-0.90 Ni 0.10-0.50 Mo 0.25 max. Cu 0.08-0.23 V 0.025-0.15 N 0.060 max. O 0.040 max.
and the balance is iron and usual impurities. The method includes melting the alloy, atomizing the molten alloy to make a pre-alloyed metal powder, consolidating the metal powder to substantially full density, and then hot working the consolidated metal powder to form an intermediate elongated article. The method further includes a multi-step heat treating process. A small diameter, elongated steel article having enhanced machinability is also disclosed.
METHOD OF PRODUCING METAL POWDER
A method of producing metal powder, in which molten metal which is stored in a molten metal holding furnace is atomized using, a molten metal nozzle upward to generate fine liquid droplets from the molten metal and the droplets are rapidly solidified by cooling, including: preparing at least one metal melting furnace which is configured to melt metal to form molten metal, and a molten metal holding furnace which has a trough which receives the molten metal and sends the received molten metal into the molten metal holding furnace, atomizing molten metal which is stored in the molten metal holding furnace upward by a molten metal nozzle to generate fine liquid droplets of the molten metal and rapidly solidifying the droplets by cooling to produce metal powder, and controlling a molten metal level of the molten metal in the molten metal holding furnace by melting metal in the metal melting furnace to form molten metal and supplying the molten metal to the trough from the metal melting furnace.
System and method of producing low carbon ferrochrome and low carbon ferrochrome produced thereby
A system and method for recovering a high yield of low carbon ferrochrome from chromite and low carbon ferrochrome produced therefrom. A stoichiometric mixture of feed materials including scrap aluminum granules, lime, silica sand, and chromite ore are provided into a plasma arc furnace. The scrap aluminum granules are produced from used aluminum beverage containers. The feed materials are heated, whereupon the aluminum in the aluminum granules produces an exothermic reaction reducing the chromium oxide and iron oxide in the chromite to produce molten low carbon ferrochrome with molten slag floating thereon. The molten low carbon ferrochrome is extracted, solidified and granulated into granules of low carbon ferrochrome. The molten slag is extracted, solidified and granulated into granules of slag.
Expeditionary additive manufacturing (ExAM) method
An expeditionary additive manufacturing (ExAM) system [10] for manufacturing metal parts [20] includes a mobile foundry system [12] configured to produce an alloy powder [14] from a feedstock [16], and an additive manufacturing system [18] configured to fabricate a part using the alloy powder [14]. The additive manufacturing system [18] includes a computer system [50] having parts data and machine learning programs in signal communication with a cloud service. The parts data [56] can include material specifications, drawings, process specifications, assembly instructions, and product verification requirements for the part [20]. An expeditionary additive manufacturing (ExAM) method for making metal parts [20] includes the steps of transporting the mobile foundry system [12] and the additive manufacturing system [18] to a desired location; making the alloy powder [14] at the location using the mobile foundry system; and building a part [20] at the location using the additive manufacturing system [18].
Method for producing low carbon ferrochrome from chromite ore and low carbon ferrochrome produced thereby
A method and system for recovering a high yield of low carbon ferrochrome from chromite and low carbon ferrochrome produced by the method. A stoichiometric mixture of feed materials including scrap aluminum granules, lime, silica sand, and chromite ore are provided into a plasma arc furnace. The scrap aluminum granules are produced from used aluminum beverage containers. The feed materials are heated, whereupon the aluminum in the aluminum granules produces an exothermic reaction reducing the chromium oxide and iron oxide in the chromite to produce molten low carbon ferrochrome with molten slag floating thereon. The molten low carbon ferrochrome is extracted, solidified and granulated into granules of low carbon ferrochrome. The molten slag is extracted, solidified and granulated into granules of slag.
APPARATUS AND METHOD FOR THE PRODUCTION OF QUANTUM PARTICLES
Systems, methods, and devices are disclosed for producing quantum particles (e.g., quantum dots) having a uniform size by vaporization of molten precursor droplets. More particularly, the present technology produces quantum dots by melting or liquefying solid and substantially pure precursor materials followed by production of uniformly sized droplets of molten precursor by use of a droplet maker into a microwave generated plasma torch.