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1. 发明公开

US20230339016A1 METHOD OF PREPARING ALUMINUM FOAM SANDWICH MATERIAL BY ROTATING FRICTION EXTRUSION AND ELECTROMAGNETIC PULSE HYBRID PROCESS 审中-公开
公开(公告)号：US20230339016A1
公开(公告)日：2023-10-26
申请号：US18136343
申请日：2023-04-19
申请人： Nanchang Hangkong University
发明人： Jilin XIE , Jinyang HU , Yuhua CHEN , Timing ZHANG , Limeng YIN , Xiao SONG , Shanlin WANG , Jiaming NI
IPC分类号： B22D25/00
CPC分类号： B22D25/005
摘要： A method for preparing aluminum foam sandwich material by rotating friction extrusion and electromagnetic pulse hybrid process includes: step 1: preparing the filler; step 2: processing the filler to prepare a plurality of preforms; step 3: clamping and fixing the plurality of preforms to form a preform assembly; step 4: welding the panel on the surface of the preform assembly to form an non-foaming sandwich material; step 5: heating and foaming the non-foaming sandwich material through a foaming mold; step 6: insulating the foaming mold after completion of foaming; injecting cooling water into the foaming mold after completion of insulation to maintain pressure and shape, forming the aluminum foam sandwich material of the required shape. The aluminum foam sandwich material produced by this method has good interface bonding, no adverse interface reaction, high bending resistance, impact resistance, and excellent sound absorption and insulation properties.

2. 发明授权

US11780003B2 Titanium alloys 有权
公开(公告)号：US11780003B2
公开(公告)日：2023-10-10
申请号：US16681112
申请日：2019-11-12
申请人： QuesTek Innovations LLC
发明人： James A. Wright , Jason Sebastian , Herng-Jeng Jou , Thomas S. Kozmel, II , Clay A. Houser
IPC分类号： C22C14/00 , B22D25/00 , C22C1/02 , C22F1/18
CPC分类号： B22D25/00 , C22C1/02 , C22C14/00 , C22F1/183
摘要： Provided herein are titanium alloys that can achieve a combination of high strength and high toughness or elongation, and a method to produce the alloys. By tolerating iron, oxygen, and other incidental elements and impurities, the alloys enable the use of lower quality scrap as raw materials. The alloys are castable and can form α-phase laths in a basketweave morphology by a commercially feasible heat treatment that does not require hot-working or rapid cooling rates. The alloys comprise, by weight, about 3.0% to about 6.0% aluminum, 0% to about 1.5% tin, about 2.0% to about 4.0% vanadium, about 0.5% to about 4.5% molybdenum, about 1.0% to about 2.5% chromium, about 0.20% to about 0.55% iron, 0% to about 0.35% oxygen, 0% to about 0.007% boron, and 0% to about 0.60% other incidental elements and impurities, the balance of weight percent comprising titanium. There exists an unmet need to produce titanium alloys for use in aerospace applications which have a refined equiaxed grain structure. This can be beneficial for fatigue critical applications. The technology developed by QuesTek describes a titanium alloy and manufacturing methods thereof to obtain equiaxed grains on the order of 300 microns and corresponding UTS of approximately 170 ksi. In addition, various forms of the alloys are disclosed including ingots, billets, powders and wire in accord with the described microstructure and physical characteristics.

3. 发明授权

US11565310B2 Preparation method of foamed aluminum special-shaped part 有权
公开(公告)号：US11565310B2
公开(公告)日：2023-01-31
申请号：US17387966
申请日：2021-07-28
申请人： CITIC Dicastal Co., Ltd.
发明人： Xing Han , Haifeng Liu , Yu Sun , Yugang Gao
IPC分类号： B22D25/00 , B22C3/00 , B22C13/08 , B22D21/04 , B22D27/04 , B22D27/08
摘要： Disclosed is a preparation method of a foamed aluminum special-shaped part. The preparation method comprises the following steps: S1, pressing wax molds; S2, making a shell; S3, carrying out smelting; S4, carrying out casting; and S5, vibrating the shell. Finally, the foamed aluminum special-shaped part is obtained for a preparation process of a foamed aluminum compound casting.

4. 发明授权

US11524332B2 Array-spraying additive manufacturing apparatus and method for manufacturing large-sized equiaxed crystal aluminum alloy ingot 有权
公开(公告)号：US11524332B2
公开(公告)日：2022-12-13
申请号：US17288038
申请日：2018-12-20
申请人： SHANGHAI JIAOTONG UNIVERSITY
发明人： Jiao Zhang , Baode Sun , Qing Dong
IPC分类号： B22D23/00 , B22D7/00 , B33Y10/00 , C23C4/123 , C23C4/18 , B22D25/00 , B33Y30/00 , B33Y70/00 , B33Y80/00
摘要： An array-spraying additive manufacturing apparatus and method for manufacturing a large-sized equiaxed crystal aluminum alloy ingot, comprising: a liquid aluminum spraying mechanism having array nozzles disposed in an atmospheric pressure chamber, a movable condensing mechanism disposed in the atmospheric pressure chamber below the liquid aluminum spraying mechanism, and a control mechanism. The control mechanism sends an upward guiding command to a release mechanism and issues a three-dimensional movement command to the movable condensing mechanism, such that liquid aluminum in the liquid aluminum spraying mechanism is sprayed at the surface of the movable condensing mechanism in a continuous array of liquid flows according to a preset path and is rapidly condensed to form an ingot. Also disclosed is an additive manufacturing method employing the apparatus.

5. 发明授权

US10294864B2 Flow devices and methods of making the same 有权
公开(公告)号：US10294864B2
公开(公告)日：2019-05-21
申请号：US15985556
申请日：2018-05-21
申请人： Delavan Inc.
发明人： Sergey Mironets , Matthew Donovan
IPC分类号： F02C7/22 , B22D25/00 , B22D23/06 , B33Y80/00 , B33Y99/00 , B28B1/00
摘要： A method for producing a device having at least one internal feature includes manufacturing an internal volume of the internal features out of a first material, disposing the internal volume in a parent material that has a higher melting point than the first material, causing the internal volume to melt within the parent material, and allowing at least a portion of the first material to diffuse into the parent material, thereby leaving behind the at least one internal feature within the parent material.

6. 发明申请

US20180257135A1 METHOD OF PRODUCTION OF COMPONENT FROM METAL FOAM, COMPONENT PRODUCED BY SAID METHOD AND MOULD FOR THE REALIZATION OF SAID METHOD 审中-公开
公开(公告)号：US20180257135A1
公开(公告)日：2018-09-13
申请号：US15756318
申请日：2015-12-15
申请人： USTAV MATERIALOV A MECHANIKY STROJOV SAV
发明人： Frantisek SIMANCIK , Lubomir PAVLIK , Jan SPANIELKA , Peter Tobolka
IPC分类号： B22D25/00 , B22F3/11 , B22F7/08 , C22C1/04 , C22C21/02 , C22C21/08 , B22D23/06
CPC分类号： B22D25/005 , B22D23/06 , B22F3/1118 , B22F3/1125 , B22F7/08 , B22F2301/052 , B22F2998/10 , C22C1/0416 , C22C21/00 , C22C21/02 , C22C21/06 , C22C21/08 , B22F3/003
摘要： Foamable semifinished product (1) in the form of granules produced from the metal alloy and the foam agent is inserted into the cavity of the closable mould (2) and the liquid (3) with the density that is higher than the apparent (or bulk) density of the resulting foam is led to it. The liquid has a temperature which is higher than the temperature of the melting of the metal alloy; the transfer of the heat to the particles of the foamable semifinished product (1) takes place; it subsequently expands, whereby it is supported by the liquid (3). During the expansion at least part of the liquid (3) is pushed by the expansion itself out of the mould (2) through the opening. The liquid (3) allows the regulation of the pressure of the environment of the foam agent, too, which helps to set exactly the moment of expansion. The metal melt can be advantageously used as liquid (3). The melt can partially remain in the mould (2) so the hybrid structure of the component is created. The new method makes the foaming significantly quicker, it secures the homogeneity of the metal foam, simplifies the moulds and diminishes the energy demands for the whole process.

7. 发明授权

US10011892B2 Methods for producing alloy forms from alloys containing one or more extremely reactive elements and for fabricating a component therefrom 有权
公开(公告)号：US10011892B2
公开(公告)日：2018-07-03
申请号：US14465078
申请日：2014-08-21
申请人： HONEYWELL INTERNATIONAL INC.
发明人： Andy Szuromi , Brian Hann , Mark C. Morris , Donald G. Godfrey
IPC分类号： C22C1/02 , C22C1/03 , B22D25/00 , B22F5/00 , B22F5/04 , B22F9/08 , C22C1/04 , C22C1/06 , C22C19/00 , C22C19/03 , C22C19/07 , B22F1/02 , B22F3/02 , B22F1/00 , B22F3/105 , B22F3/15 , B22F3/22 , C22C33/02
CPC分类号： C22C1/02 , B22D25/00 , B22F1/0007 , B22F1/0014 , B22F1/0048 , B22F1/02 , B22F3/02 , B22F3/1055 , B22F3/15 , B22F3/225 , B22F5/009 , B22F5/04 , B22F9/08 , B22F2999/00 , C22C1/023 , C22C1/03 , C22C1/04 , C22C1/0416 , C22C1/0433 , C22C1/0458 , C22C1/06 , C22C19/007 , C22C19/03 , C22C19/07 , C22C21/00 , C22C33/02 , C22C2202/02 , Y02P10/295 , B22F2201/01 , B22F2201/20 , B22F2201/013 , B22F2201/11 , B22F2201/12
摘要： Methods are provided for producing alloy forms from alloys containing one or more extremely reactive elements and for fabricating a component therefrom. The fabricating method comprises substantially removing a reactive gas from the fabrication environment. An alloy form of the alloy is formed. The alloy form is formed by melting the alloy or by melting one or more base elements of the alloy to produce a molten liquid and introducing the one or more extremely reactive elements into the molten liquid. The molten alloy is shaped into the alloy form. The component is formed from the alloy form. If the one or more extremely reactive elements are introduced into the molten liquid, such introduction occurs just prior to the shaping step.

8. 发明申请

US20170348765A1 Dual Investment Shelled Solid Mold Casting of Reticulated Metal Foams 审中-公开
公开(公告)号：US20170348765A1
公开(公告)日：2017-12-07
申请号：US15682982
申请日：2017-08-22
申请人： United Technologies Corporation
发明人： Ryan C. Breneman , Steven J. Bullied , David R. Scott
IPC分类号： B22C9/22 , B22D27/09 , B22C7/02 , B22C1/00 , B22C9/04 , B22D29/00 , B22D25/00
CPC分类号： B22C9/22 , B22C1/00 , B22C7/02 , B22C7/023 , B22C9/04 , B22C9/043 , B22D25/005 , B22D27/09 , B22D29/002 , B22D29/006
摘要： A method to manufacture reticulated metal foam via a dual investment, includes pre-investment of a precursor with a diluted pre-investment ceramic plaster then applying an outer mold to the encapsulated precursor as a shell-mold.

9. 发明申请

US20170218480A1 HIGH-ENTROPY ALLOY FOAM AND MANUFACTURING METHOD FOR THE FOAM 审中-公开
公开(公告)号：US20170218480A1
公开(公告)日：2017-08-03
申请号：US15414778
申请日：2017-01-25
申请人： Seoul National University R&DB Foundation
发明人： Eun Soo PARK , Kooknoh Yoon , Khurram Yaqoob , Je In Lee , Jin Yeon Kim
IPC分类号： C22C1/08 , C22C30/02 , C22C3/00 , B22D25/00
CPC分类号： C22C1/08 , B22D25/005 , B22F3/10 , C22C1/0425 , C22C1/0433 , C22C3/005 , C22C30/02 , Y10T428/12 , Y10T428/12479
摘要： The present invention relates to a HEA foam prepared by selective dissolution of a second phase within a two-phase separating alloy comprising the HEA and a manufacturing method thereof. The manufacturing method of the HEA foam of the present invention has the effect of preparing a novel HEA foam, which was not available in the past, by leaving only a first phase after manufacturing a two-phase separating alloy comprising a first phase by HEA, wherein at least 3 metal elements act as a common solvent.Furthermore, the HEA foam of the present invention has a structure, wherein pores are distributed inside the HEA, in which at least 3 metal elements act as a common solvent. By adding a functional characteristic of low heat conductivity, etc., to the existing high strength characteristic of HEA, the HEA foam of the present invention can exhibit a complex effect by the combination of the two particular effects, thereby being capable of exhibiting excellent physical characteristics.

10. 发明申请

US20170025683A1 Fabrication of Three-Dimensional Porous Anode Electrode 审中-公开
标题翻译：三维多孔阳极电极的制作
公开(公告)号：US20170025683A1
公开(公告)日：2017-01-26
申请号：US15215519
申请日：2016-07-20
申请人： CellMotive Co. Ltd.
发明人： Hyeji Park , Hyelim Choi , Heeman Choe
IPC分类号： H01M4/80 , H01M4/66 , H01M4/38 , B22D25/00 , H01M4/04 , B22D21/00 , B22D15/00 , H01M10/0525 , H01M4/134
CPC分类号： B22F3/10 , B22D15/00 , B22D21/005 , B22D25/005 , B22F3/1143 , B22F3/24 , B22F5/10 , B22F2003/242 , B22F2201/01 , B22F2201/03 , B22F2301/205 , B22F2301/35 , B22F2998/10 , B22F2999/00 , H01M4/0404 , H01M4/0485 , H01M4/13 , H01M4/134 , H01M4/387 , H01M4/523 , H01M4/661 , H01M4/801 , H01M10/0525 , H01M2004/021 , B22F2201/013
摘要： An electrode for the use of an advanced lithium battery is fabricated using three-dimensionally structured metal foam coated with an active material. The metal foam is porous metal foam that can be used as an anode current collector of a lithium-ion battery and is coated with an anode active material, such as tin, through a sonication-assisted electroless plating method. Additionally, the coated metal foam is heat-treated at an appropriate temperature in order to improve the integrity of the coating layer and hence, the cyclic performance of the lithium-ion battery.
摘要翻译：使用三维结构的涂覆有活性材料的金属泡沫制造用于使用先进锂电池的电极。金属泡沫是可以用作锂离子电池的负极集电体的多孔金属泡沫，并且通过超声处理辅助化学镀方法涂覆有诸如锡的负极活性材料。此外，涂覆的金属泡沫体在适当的温度下进行热处理，以提高涂层的完整性，从而提高锂离子电池的循环性能。

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