公开(公告)号：US11865614B2

公开(公告)日：2024-01-09

申请号：US17254700

申请日：2019-09-25

Applicant: LINDE GMBH

Inventor： Camille Pauzon ,  Tanja Arunprasad ,  Andres Torres

IPC: B22F10/322 ,  B22F10/28 ,  B22F10/85 ,  B22F12/30 ,  B22F12/41 ,  B22F12/70 ,  B33Y10/00 ,  B22F10/32 ,  B33Y30/00 ,  B33Y50/02 ,  B22F10/77 ,  B22F12/00 ,  B22F12/90 ,  B22F10/34

CPC classification number: B22F10/322 ,  B22F10/32 ,  B22F10/85 ,  B22F12/30 ,  B22F12/41 ,  B22F12/70 ,  B33Y10/00 ,  B22F10/28 ,  B22F10/34 ,  B22F10/77 ,  B22F12/38 ,  B22F12/90 ,  B22F2201/11 ,  B22F2201/12 ,  B22F2202/13 ,  B22F2203/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F2999/00 ,  B22F10/32 ,  B22F2201/11 ,  B22F2201/12 ,  B22F2999/00 ,  B22F12/90 ,  B22F2201/03 ,  B22F2999/00 ,  B22F10/32 ,  B22F10/34 ,  B22F2201/11 ,  B22F2201/12

Abstract: According to the present invention a method is provided for feeding a gas flow to an additive manufacturing space during a manufacturing process wherein the gas flow is established by a pump connected to the manufacturing space wherein the pump is controlled by a set differential pressure, and wherein the gas flow consists of Helium or the gas flow consists of a gas mixture comprising 30 Vol.-% Argon and 70 Vol.-% Helium or the gas flow consists of a gas mixture comprising 50 Vol.-% Argon and 50 Vol.-% Helium or the gas flow consists of a gas mixture comprising 70 Vol.-% Argon and 30 Vol.-% Helium.

公开(公告)号：US20230295767A1

公开(公告)日：2023-09-21

申请号：US17922132

申请日：2021-04-30

Applicant: KINALTEK PTY. LTD.

Inventor： Jawad Haidar ,  Bilal Khan ,  Rajan Gnanarajan

IPC: C22B5/04 ,  C01F7/302 ,  C01F7/42 ,  C01F7/786 ,  B22F9/20 ,  B22F1/18 ,  C22B15/00 ,  C22B19/20 ,  C22B23/02 ,  C22B25/02 ,  C22B30/02 ,  C22B34/34 ,  C22B34/36

CPC classification number: C22B5/04 ,  B22F1/18 ,  B22F9/20 ,  C01F7/42 ,  C01F7/302 ,  C01F7/786 ,  C22B15/00 ,  C22B19/20 ,  C22B23/021 ,  C22B25/02 ,  C22B30/02 ,  C22B34/34 ,  C22B34/36 ,  B22F2201/11 ,  B22F2301/10 ,  B22F2301/15 ,  B22F2301/20 ,  B22F2301/30 ,  B22F2301/35 ,  B22F2301/205 ,  B22F2301/255 ,  B22F2302/256 ,  B22F2998/10

Abstract: Disclosed herein is a method for reducing a metal oxide in a metal containing precursor. The method comprises providing a reaction mixture comprising the metal oxide containing precursorand an aluminium reductant; heating the reaction mixture in the presence of solid or gaseous aluminium chloride to temperature at which reactionsthatresultin the metal oxide being reduced are initiated; controlling reaction conditions whereby the reaction mixture is prevented from reaching a temperature at which thermal runaway can occur; and isolating reaction products that include reduced metal oxide.

公开(公告)号：US20230250515A1

公开(公告)日：2023-08-10

申请号：US18004706

申请日：2020-09-02

Applicant: VIRGINIA COMMONWEALTH UNIVERSITY

Inventor： Dylan D. RODENE ,  Ebtesam H. ELADGHAM ,  Indika U. ARACHCHIGE ,  Ram B. GUPTA

IPC: C22C19/03 ,  B22F9/24 ,  B22F1/054 ,  C25B1/04 ,  C25B11/089

CPC classification number: C22C19/03 ,  B22F9/24 ,  B22F1/054 ,  C25B1/04 ,  C25B11/089 ,  B22F2304/054 ,  B22F2301/15 ,  B22F2201/11

Abstract: Low-cost and earth abundant, Ni1−xMox alloy nanocrystals, with sizes ranging from 18-43 nm and varying Mo composition (0.0-11.4%), were produced by a colloidal chemistry method for alkaline HER reactions. For a water splitting current density of ˜10 mA/cm2, these alloys demonstrate over-potentials of −62 to −177 mV, which are comparable to commercial Pt-based electrocatalysts (−68 to −129 mV). The cubic Ni0.934Mo0.066 alloy nanocrystals exhibit the highest activity as alkaline HER electrocatalysts, outperforming commercial Pt/C (20 wt %) catalyst.

公开(公告)号：US11718030B2

公开(公告)日：2023-08-08

申请号：US15845027

申请日：2017-12-18

Applicant: 3D Systems, Inc.

Inventor： Charles W. Hull

IPC: B29C64/277 ,  B29C64/153 ,  B29C64/393 ,  B29C64/268 ,  B33Y30/00 ,  B33Y10/00 ,  B22F12/00 ,  B22F10/10 ,  B22F10/28 ,  B22F12/13 ,  B22F12/17 ,  B22F12/41 ,  B22F12/90 ,  B22F10/362 ,  B22F10/77 ,  B22F12/42 ,  B22F12/63 ,  B22F12/67

CPC classification number: B29C64/277 ,  B22F10/28 ,  B22F10/362 ,  B22F12/13 ,  B22F12/17 ,  B22F12/41 ,  B22F12/90 ,  B29C64/153 ,  B29C64/268 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B22F10/10 ,  B22F10/77 ,  B22F12/42 ,  B22F12/63 ,  B22F12/67 ,  B22F2999/00 ,  G01N2203/0641 ,  G01N2203/0652 ,  G05B2219/37573 ,  G05B2219/49023 ,  Y02P10/25 ,  B22F2999/00 ,  B22F12/13 ,  B22F12/17 ,  B22F2203/11 ,  B22F12/90 ,  B22F2999/00 ,  B22F12/13 ,  B22F12/17 ,  B22F2201/11 ,  B22F12/90

Abstract: Methods and apparatus are provided for controlling the temperature of powders in a powder-based additive manufacturing system using spatial light modulation. Powder layer temperatures can be measured and selectively controlled using a radiation source comprising a spatial light modulator. The spatial light modulator applies a visible light radiation and/or IR radiation. In addition to controlling the pre-fused temperature of the powder in the image plane, the spatial light modulator can also apply the radiation to fuse the powder.

公开(公告)号：US20230223162A1

公开(公告)日：2023-07-13

申请号：US18009788

申请日：2020-07-23

Applicant: JOINT-STOCK COMPANY "TVEL"

Inventor： Leonid Aleksandrovich KARPYUK ,  Aleksandr Vladimirovich LYSIKOV ,  Evgeniy Nikolaevich MIKHEEV ,  Denis Sergeevich MISSORIN ,  Vladimir Vladimirovich NOVIKOV ,  Roman Borisovich SIVOV ,  Nikolay Ivanovich SHIPUNOV

IPC: G21C21/02 ,  G21C3/04 ,  G21C3/60 ,  B22F3/16 ,  B22F3/10

CPC classification number: G21C21/02 ,  B22F3/16 ,  B22F3/1007 ,  B22F3/1021 ,  G21C3/045 ,  G21C3/60 ,  B22F2201/11 ,  B22F2301/20

Abstract: The invention relates to the nuclear industry and can be used for producing fuel pellets from uranium-molybdenum metal powders enriched to 7% uranium 235 for nuclear reactor fuel elements. The pellets are sintered in an inert atmosphere of argon at a temperature ranging from 1100° C. to 1155° C., and the initial powder is a uranium-molybdenum powder having a fraction size of 160 µm and a molybdenum con¬tent of 9.0 to 10.5 wt%. The powder is pre-heated at a temperature of 500° C. for 10-20 hours (in an atmosphere of argon) and is subsequently cold pressed into pellets in a die under a force of up to 950 MPa. In an alternative emb¬odiment for producing uranium-molybdenum pellets with a binder (plasticizer), the step of sintering is preceded by heating the pellets in an atmosphere of argon at 300° C. to 450° C. for 2-4 hours to remove the binder. The invention makes it possible to increase the uranium intensity of the fuel, reduce the amount of heat buildup in a reactor core, and lower the amount of energy released in the event of abnormalities in the operation of a nuclear reactor, thus providing increased reactor safety and resilience to accidents.

公开(公告)号：US20190234213A1

公开(公告)日：2019-08-01

申请号：US15970070

申请日：2018-05-03

Applicant: The Sollami Company

Inventor： Phillip Sollami

IPC: E21C35/197 ,  E21C35/183 ,  F27B5/04 ,  B22F7/06

CPC classification number: E21C35/197 ,  B22F3/15 ,  B22F7/062 ,  B22F2201/11 ,  B22F2201/20 ,  E01C23/088 ,  E21C35/183 ,  E21C2035/1806 ,  E21C2035/1813 ,  E21C2035/1816 ,  F27B5/04

Abstract: A bit tip insert on a bit/holder, tool, and/or pick for road milling operations that includes a body including a tip and a base subjacent the tip The bit tip insert also includes at least one heat transfer bore extending from a distal end and/or bottom of the body to a bore termination disposed within the base and/or the tip of the bit tip insert. The at least one bore of the bit tip insert is adapted to allow inward contraction when the overlay transfers heat into the base during operation.

公开(公告)号：US20180312960A1

公开(公告)日：2018-11-01

申请号：US15770302

申请日：2016-10-17

Applicant: Tosoh SMD, Inc.

Inventor： Eugene Y. Ivanov ,  Eduardo del Rio

IPC: C23C14/34 ,  B22F3/16 ,  H01J37/34 ,  C23C14/14

CPC classification number: C23C14/3414 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/045 ,  H01J37/3426 ,  H01J37/3491 ,  B22F3/10 ,  B22F2201/01 ,  B22F3/04 ,  B22F2003/185 ,  B22F2201/10 ,  B22F2201/11

Abstract: Tungsten sputter targets have a purity of greater than four nines, a density of about 97% and higher, and an oxygen content of 10 ppm or less. Method of making such targets from powder precursors are disclosed wherein the tungsten powder is pressure consolidated such as by CIPing following by a sintering step under a hydrogen atmosphere to control oxygen and carbon content of the target.

公开(公告)号：US20180272476A1

公开(公告)日：2018-09-27

申请号：US15762094

申请日：2016-09-23

Applicant: Tianjin University

Inventor： Lianyong XU ,  Yongdian HAN ,  Hongyang JING ,  Lel ZHAO ,  Xiaoqing LV

IPC: B23K35/26 ,  B22F9/04 ,  B22F1/00 ,  B23K35/40 ,  C22C13/00

CPC classification number: B23K35/262 ,  B22F1/0011 ,  B22F9/04 ,  B22F2009/043 ,  B22F2201/11 ,  B22F2201/20 ,  B22F2301/30 ,  B22F2304/10 ,  B22F2998/10 ,  B22F2999/00 ,  B23K35/0244 ,  B23K35/26 ,  B23K35/3601 ,  B23K35/40 ,  C22C13/00 ,  C22C47/14 ,  C22C49/02 ,  C22C49/14 ,  C22C1/05 ,  B22F3/02 ,  B22F3/10

Abstract: This invention discloses a method for preparing a kind of Sn-based silver-graphene lead-free composite solder, including mixing a certain amount of graphene with sodium dodecyl sulfate, then adding a certain amount of dimethylformamide, sonicating for 2 hours, adding a certain amount of silver nitrate to the mixture, continuing the sonication and finally obtaining the homemade. The solders matrix powder is weighed according to different silver-graphene mass fraction required, then poured into a ball-milling tank milling for 5 h. The powder is poured into a stainless steel mold after drying, then placed under hydraulic pressure to 500 Mpa for pressure forming. Later, the cold-pressed cylinder is placed in a high vacuum tube resistance furnace and sintered at 175° C. for 2 hours. After cooling to room temperature, it is formed into a cylinder under the hydraulic press. In this invention, graphene modified with Ag particles is selected as a strengthening material so as to improve the load-transfer between the graphene modified by nano-silver and the Sn matrix, aiming to achieve better strengthening effect.

公开(公告)号：US20180193915A1

公开(公告)日：2018-07-12

申请号：US15741844

申请日：2016-07-06

Applicant: SAFRAN AIRCRAFT ENGINES ,  ALLIANCE

Inventor： Guillaume FRIBOURG ,  Jean-Claude BIHR ,  Clément GILLOT

IPC: B22F3/10 ,  B22F3/00 ,  B22F7/02 ,  C22C14/00 ,  C22C16/00 ,  F27D5/00

CPC classification number: B22F3/10 ,  B22F3/003 ,  B22F3/1003 ,  B22F5/04 ,  B22F7/02 ,  B22F2003/1046 ,  B22F2203/11 ,  B22F2301/205 ,  B22F2998/10 ,  B22F2999/00 ,  C22C14/00 ,  C22C16/00 ,  F27D3/12 ,  F27D5/00 ,  F27D5/0018 ,  F27D5/0062 ,  B22F3/225 ,  B22F3/1007 ,  B22F3/22 ,  B22F3/15 ,  B22F3/20 ,  B22F2201/11 ,  B22F2003/1042 ,  B22F2003/1014

Abstract: A method for heat treating a powder part preform including a titanium alloy, includes heat treating the preform in a furnace at a predefined temperature, wherein the preform is on a holder during the heat treatment. The holder includes a titanium alloy having a mass titanium content no lower than 45%, or a zirconium alloy having a mass zirconium content no lower than 95%, wherein the material making up the holder has a melting temperature higher than the predefined heat treatment temperature, and an antidiffusion barrier is arranged between the preform and the holder to prevent the preform from becoming welded to the holder.

公开(公告)号：US09970318B2

公开(公告)日：2018-05-15

申请号：US14314233

申请日：2014-06-25

Applicant: Pratt & Whitney Canada Corp.

Inventor： Orlando Scalzo ,  Marc Campomanes ,  Eric Hosking ,  Alain Bouthillier

IPC: F01D25/12 ,  B22F5/00 ,  B23K26/08 ,  B23K26/32 ,  B23K26/324 ,  B23K26/244 ,  B22F3/22 ,  B22F5/10 ,  B22F7/06 ,  B23K35/02 ,  B23K101/00 ,  B23K103/00 ,  B23K103/08

CPC classification number: F01D25/12 ,  B22F3/225 ,  B22F5/009 ,  B22F5/10 ,  B22F7/062 ,  B22F2998/10 ,  B22F2999/00 ,  B23K26/08 ,  B23K26/244 ,  B23K26/32 ,  B23K26/324 ,  B23K35/0244 ,  B23K35/0255 ,  B23K2101/001 ,  B23K2103/00 ,  B23K2103/08 ,  B23K2103/52 ,  F05D2230/21 ,  F05D2230/22 ,  F05D2230/23 ,  F05D2230/234 ,  B22F3/1021 ,  B22F2201/11

Abstract: A method of manufacturing a shroud segment, including separately molding at least first and second parts by powder injection molding. The first part has an inner surface and at least one fluid passage in communication with the inner surface. The second part has an outer surface complementary to the inner surface of the first part. At least one of the inner and outer surfaces is formed to define a plurality of grooves. A plurality of cooling passages in fluid communication with the at least one fluid passage are defined with the plurality of grooves by interconnecting the inner and outer surfaces while the first and second parts remain in a green state. The interconnected parts are debound and sintered to fuse the parts to define at least a portion of the shroud segment including the cooling passages.