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公开(公告)号：US12083585B2
公开(公告)日：2024-09-10
申请号：US18257391
申请日：2022-02-03
申请人： Novelis Inc.
IPC分类号： B22D11/06 , B22D11/124
CPC分类号： B22D11/1246 , B22D11/0605 , B22D11/0685
摘要： A cooling pad for a belt casting system includes a first nozzle arrangement and a second nozzle arrangement. In some embodiments, the first nozzle arrangement includes an elongated nozzle assembly that includes a base defining a receiving area, a first insert positionable within the receiving area, and a second insert positionable within the receiving area. The first insert and the base together define a first elongated dispensing slot. The second insert is adjustable relative to the first insert, and the second insert and the base together define a second elongated dispensing slot. In various embodiments, the second nozzle arrangement includes a plurality of multi-position nozzles, each movable between a base position and an offset position such that the heat transfer rate may be locally controlled across the cooling cavity.
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公开(公告)号：US20240271263A1
公开(公告)日：2024-08-15
申请号：US18645922
申请日：2024-04-25
申请人： Novelis Inc.
发明人： Simon William BARKER , Rajasekhar TALLA , Sazol Kumar DAS , Tudor PIROTEALA , Milan FELBERBAUM , Samuel Robert WAGSTAFF
IPC分类号： C22F1/04 , B22D11/00 , B22D11/06 , C22C21/06 , C22C21/08 , C22C21/10 , C22F1/00 , C22F1/047 , C22F1/05 , C22F1/053
CPC分类号： C22F1/04 , B22D11/003 , B22D11/0605 , C22C21/06 , C22C21/08 , C22C21/10 , C22F1/002 , C22F1/047 , C22F1/05 , C22F1/053
摘要： Provided herein are continuously cast aluminum alloy products exhibiting uniform surface characteristics. The aluminum alloy products have a first surface comprising a width, wherein the first surface comprises an average of 50 exudates or less per square centimeter across the width of the first surface. Also provided herein are methods of making aluminum alloy products having improved surface characteristics. Further provided are methods and systems for manufacturing aluminum alloy products, such as sheets, having reduced surface defects.
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公开(公告)号：US20240238867A1
公开(公告)日：2024-07-18
申请号：US18621486
申请日：2024-03-29
发明人： Subramanya P. HERLE
CPC分类号： B22D11/0611 , B22D11/001 , B22D11/144 , H01M4/0409
摘要： A method and apparatus for manufacturing a flexible layer stack, and to a flexible layer stack. Implementations of the present disclosure particularly relate to a method and apparatus for coating flexible substrates with a low melting temperature metal or metal alloy. In one implementation, a method is provided. The method includes delivering a transfer liquid to a quenching surface of a rotating casting drum. The method further includes forming a material layer stack over the rotating casting drum by delivering a molten metal or molten metal alloy toward the quenching surface of the rotating casting drum. The method further includes transferring the material layer stack from the rotating casting drum to a continuous flexible substrate, wherein the quenching surface of the rotating casting drum is cooled to a temperature at which the layers of the material layer stack solidify.
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公开(公告)号：US12017269B2
公开(公告)日：2024-06-25
申请号：US17275192
申请日：2019-09-24
申请人： PROTERIAL, LTD.
发明人： Jun Sunakawa , Nakao Moritsugu
CPC分类号： B22D11/0611 , B22D11/0622 , B22D11/0651 , B22D11/0682 , C21D9/0068 , C22C45/008
摘要： A method for producing an Fe-based nanocrystalline alloy ribbon, the method including a step of supplying a molten Fe-based alloy onto a rotating chill roll, and rapidly solidifying the molten Fe-based alloy that has been supplied onto the chill roll, thereby obtaining an Fe-based amorphous alloy ribbon having a free solidified surface and a roll contact surface, and a step of heat-treating the Fe-based amorphous alloy ribbon, thereby obtaining an Fe-based nanocrystalline alloy ribbon; wherein an outer peripheral part of the chill roll is composed of a Cu alloy, and a thermal conductivity of the outer peripheral part is from 70 W/(m·K) to 225 W/(m·K).
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公开(公告)号：US12000031B2
公开(公告)日：2024-06-04
申请号：US16352276
申请日：2019-03-13
申请人： Novelis Inc.
发明人： Simon William Barker , Rajasekhar Talla , Sazol Kumar Das , Tudor Piroteala , Milan Felberbaum , Samuel Robert Wagstaff
IPC分类号： C22F1/04 , B22D11/00 , B22D11/06 , C22C21/06 , C22C21/08 , C22C21/10 , C22F1/00 , C22F1/047 , C22F1/05 , C22F1/053
CPC分类号： C22F1/04 , B22D11/003 , B22D11/0605 , C22C21/06 , C22C21/08 , C22C21/10 , C22F1/002 , C22F1/047 , C22F1/05 , C22F1/053
摘要： Provided herein are continuously cast aluminum alloy products exhibiting uniform surface characteristics. The aluminum alloy products have a first surface comprising a width, wherein the first surface comprises an average of 50 exudates or less per square centimeter across the width of the first surface. Also provided herein are methods of making aluminum alloy products having improved surface characteristics. Further provided are methods and systems for manufacturing aluminum alloy products, such as sheets, having reduced surface defects.
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公开(公告)号：US11992876B2
公开(公告)日：2024-05-28
申请号：US15900337
申请日：2018-02-20
发明人： Kevin Scott Gill , Michael Caleb Powell , Victor Frederic Rundquist , Venkata Kiran Manchiraju , Roland Earl Guffey
IPC分类号： B22D27/20 , B22D11/00 , B22D11/06 , B22D11/114 , B22D11/124
CPC分类号： B22D27/20 , B22D11/003 , B22D11/0651 , B22D11/114 , B22D11/124
摘要： An energy coupling device for coupling energy into molten metal. The energy coupling device includes a cavitation source which supplies energy through a cooling medium and through a receptor in contact with the molten metal. The cavitation source includes a probe disposed in a cooling channel. The probe has at least one injection port for injection of a cooling medium between a bottom of the probe and the receptor. The probe under operation produces cavitations in the cooling medium. The cavitations are directed through the cooling medium to the receptor.
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公开(公告)号：US20240101426A1
公开(公告)日：2024-03-28
申请号：US18274840
申请日：2022-02-01
CPC分类号： C01B32/05 , B22D11/001 , B22D11/0611 , C21D8/0257 , C21D2211/004
摘要： Provided herein are methods of transforming a first carbon material into a second carbon material, and uses thereof.
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公开(公告)号：US20240017321A1
公开(公告)日：2024-01-18
申请号：US18257391
申请日：2022-02-03
申请人： Novelis Inc.
IPC分类号： B22D11/124 , B22D11/06
CPC分类号： B22D11/1246 , B22D11/0685 , B22D11/0605
摘要： A cooling pad for a belt casting system includes a first nozzle arrangement and a second nozzle arrangement. In some embodiments, the first nozzle arrangement includes an elongated nozzle assembly that includes a base defining a receiving area, a first insert positionable within the receiving area, and a second insert positionable within the receiving area. The first insert and the base together define a first elongated dispensing slot. The second insert is adjustable relative to the first insert, and the second insert and the base together define a second elongated dispensing slot. In various embodiments, the second nozzle arrangement includes a plurality of multi-position nozzles, each movable between a base position and an offset position such that the heat transfer rate may be locally controlled across the cooling cavity.
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公开(公告)号：US11845124B2
公开(公告)日：2023-12-19
申请号：US17277925
申请日：2019-09-19
CPC分类号： B22D11/0622 , B22D11/0651 , B22D11/0697 , B22D31/002 , H02K15/12
摘要： A roller casting method produces a spiral structure, in particular a spiral structure for use in electric machines. Molten metal is supplied between a first roller and a second roller miming opposite thereto, wherein the first roller has first teeth, and the second roller has second teeth, said first and/or second teeth having tooth flanks with cavities for receiving the supplied molten metal. The teeth are designed and aligned such that the cavity of at least one tooth is at least temporarily delimited by the surface of a tooth of the other roller when the rollers are rotating such that the supplied molten metal is molded between the teeth while cooling and is molded into a section of the spiral structure.
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公开(公告)号：US20230339014A1
公开(公告)日：2023-10-26
申请号：US18344140
申请日：2023-06-29
CPC分类号： B22D11/0674 , B22D11/0651 , B22D11/0654 , B22D11/003 , B22D11/0605 , B22D11/0622
摘要： A casting roller or belt for a revolving chill mould of a strip casting system for the manufacture of an aluminium alloy strip and a strip casting system for manufacturing an aluminium alloy strip comprising at least one revolving chill mould with a casting gap. A method for manufacturing an aluminium alloy strip by means of a strip casting system. The object of providing a casting roller or belt or a strip casting system, by means of which, adhesion to the casting roller or belt is avoided during strip casting and a low-segregation and crack-free aluminium alloy strip can be produced, in particular under industrial conditions, is achieved by a specific surface structure, in that the surface of the casting roller or belt has a roughness value Sa of more than 5 μm and an average peak count RPc(0.5 μm) of less than 42 cm−1.
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