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公开(公告)号：US20170282310A1
公开(公告)日：2017-10-05
申请号：US15474405
申请日：2017-03-30
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Raghavendra Rao ADHARAPURAPU , Sundeep KUMAR
CPC classification number: B23P6/045 , B23K1/0018 , B23K1/19 , B23K35/0222 , B23K35/0233 , B23K35/0238 , B23K35/0244 , B23K35/025 , B23K35/3033 , B23K35/304 , B23K2101/001 , B23K2103/18 , C04B37/026 , C22C19/058 , F01D5/005 , Y02T50/672
Abstract: An active braze alloy composition is described, including nickel; or a combination of nickel and cobalt; about 2% by weight to about 30% by weight germanium; and about 1% by weight to about 5% by weight boron and about 0.5% by weight to about 5% by weight of at least active element. The composition is free of silicon. Braze alloy joints formed of the braze alloy composition, and located in various devices, structures, and machines, are also described. A related method for repairing a crack or other cavity within a metal component, using the braze composition, is further described.
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公开(公告)号：US20170282272A1
公开(公告)日：2017-10-05
申请号：US15474273
申请日：2017-03-30
Applicant: General Electric Company
Inventor： Sundeep KUMAR , Raghavendra Rao ADHARAPURAPU
CPC classification number: B23K1/19 , B23K35/0222 , B23K35/0227 , B23K35/0233 , B23K35/0244 , B23K35/025 , B23K35/3033 , B23K35/304 , B23K2101/001 , B23K2101/002 , B23K2101/38 , B23K2103/18 , C22C19/007 , C22C19/05 , C22C45/04 , F05D2230/237
Abstract: This disclosure includes the description of a braze alloy composition. The braze composition contains nickel, about 5% by weight to about 25% by weight germanium; and about 1% by weight to about 4% by weight boron. The composition has an amorphous structure, and is free of silicon.
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公开(公告)号：US20150340742A1
公开(公告)日：2015-11-26
申请号：US14719742
申请日：2015-05-22
Applicant: General Electric Company
Inventor： Sundeep KUMAR , Mohamed RAHMANE , Hongbo CAO , Darren Michael STOHR , Raghavendra Rao ADHARAPURAPU , Ravikumar HANUMANTHA
CPC classification number: H01M10/3963 , B23K35/3033 , B23K35/3046 , C04B37/026 , C04B2235/656 , C04B2235/6567 , C04B2235/6582 , C04B2237/122 , C04B2237/123 , C04B2237/126 , C04B2237/127 , C04B2237/128 , C04B2237/343 , C04B2237/405 , C04B2237/55 , C04B2237/597 , C04B2237/708 , C04B2237/72 , C04B2237/765 , C04B2237/80 , H01M2/08 , Y10T156/10 , Y10T428/12611
Abstract: A method for joining a metal component to a ceramic component is presented. The method includes disposing a metallic barrier layer on a metallized portion of the ceramic component, and joining the metal component to the metallized portion of the ceramic component through the metallic barrier layer. The metallic barrier layer comprises nickel and a melting point depressant. The metallic barrier layer is disposed by a screen printing process, followed by sintering the layer at a temperature less than about 1000 degrees Celsius. A sealing structure including a joint between a ceramic component and a metal component is also presented.
Abstract translation: 提出了一种将金属成分与陶瓷成分接合的方法。 该方法包括将金属阻挡层设置在陶瓷部件的金属化部分上，并通过金属阻挡层将金属部件连接到陶瓷部件的金属化部分。 金属阻挡层包括镍和熔点降低剂。 通过丝网印刷方法设置金属阻挡层，然后在小于约1000摄氏度的温度下烧结该层。 还提供了包括陶瓷部件和金属部件之间的接合部的密封结构。
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4.发明申请公开(公告)号：US20140186691A1
公开(公告)日：2014-07-03
申请号：US13729343
申请日：2012-12-28
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Michael Colan MOSCINSKI , Reza SARRAFI-NOUR , Badri Narayan RAMAMURTHI , Mohandas NAYAK , Darren Michael STOHR , Sundeep KUMAR , Mohamed RAHMANE , Arunabh BASAK , Raghavendra Rao ADHARAPURAPU
IPC: H01M2/08
CPC classification number: H01M2/08 , H01M10/39 , H01M10/3909 , H01M10/399 , Y10T29/4911
Abstract: The present application provides for ceramic collars and metal rings for active brazing in sodium-based thermal batteries. The ceramic collar may be an alpha-alumina collar configured for active brazing, and thereby sealing, to outer and inner Ni rings for use in NaMx cells. The portions of the alpha-alumina collar active brazed to the outer and inner Ni rings may be outwardly facing and include inwardly extending recesses. The portions of the outer and inner Ni rings active brazed to the outwardly facing portions of the collar may be inwardly facing. The alpha-alumina collar may include a greater coefficient of thermal expansion than each of the outer and inner Ni rings, and the alpha-alumina collar and outer and inner Ni rings may be configured such that a portion of the outer and inner Ni rings is deformed into the inwardly extending recesses of the alpha-alumina collar after active brazing thereof.
Abstract translation: 本申请提供了用于钠基热电池中的活性钎焊的陶瓷套环和金属环。 陶瓷套圈可以是被配置用于主动钎焊，从而密封到用于NaMx电池的外部和内部Ni环的α-氧化铝轴环。 活性钎焊到外部和内部Ni环的α-氧化铝轴环的部分可以是向外的并且包括向内延伸的凹部。 活动钎焊到套环向外面的部分的外部和内部Ni环的部分可以向内。 α-氧化铝轴环可以包括比每个外部和内部Ni环更大的热膨胀系数，并且α-氧化铝轴环和外部和内部Ni环可以被构造成使得外部和内部Ni环的一部分是 在其活性钎焊之后变形成α-氧化铝轴环的向内延伸的凹部。
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