公开(公告)号：US20160052046A1

公开(公告)日：2016-02-25

申请号：US14783069

申请日：2014-04-09

申请人： SNECMA

发明人： Serge DILLENSEGER ,  Dominique COYEZ ,  Serge FARGEAS ,  Hervé GRAS ,  Didier Maurice Marceau GUERCHE

IPC分类号： B22C9/04 ,  C30B11/00 ,  B22D27/04

CPC分类号： B22C9/04 ,  B22D27/045 ,  C30B11/00 ,  C30B11/002 ,  C30B29/02 ,  C30B29/52

摘要： The invention relates to the field of monocrystalline casting, and in particular to a mold (1) for monocristalline casting comprising at least a molding cavity (7), a starter cavity (10) having at least a first volume (10a) in the form of an upside-down funnel, and a distinct second volume (10b) forming a plinth at the bottom of the first volume and projecting perceptibly relative to said first volume in at least one horizontal direction, a selector channel (9) connecting said starter cavity (10) to said molding cavity (7), and a support rod (20) that is laterally offset relative to said selector channel, and that connects the second volume (10b) of the starter cavity (10) to the molding cavity (7). The invention also provides a casting method using such a mold (1).

摘要翻译： 本发明涉及单晶铸造领域，特别涉及一种用于单晶硅铸件的模具（1），其包括至少一个模制腔（7），起始腔（10），其具有至少第一体积（10a） （10b）在第一容积的底部形成底座并相对于所述第一容积在至少一个水平方向上可感知地突出;连接所述起动器腔的选择器通道（9） （10）到所述模制腔（7）和相对于所述选择器通道横向偏移的支撑杆（20），并且将起动器腔（10）的第二容积（10b）连接到模制腔（7） ）。 本发明还提供一种使用这种模具（1）的铸造方法。

公开(公告)号：US20160045952A1

公开(公告)日：2016-02-18

申请号：US14559293

申请日：2014-12-03

申请人： Northeastern University

发明人： ZhouHua Jiang ,  FuBin Liu ,  Xu Chen ,  HuaBing Li ,  XiMin Zang ,  Xin Deng

IPC分类号： B22D7/04 ,  B22D23/10 ,  B22D27/04 ,  B22D2/00 ,  B22D27/02

CPC分类号： B22D7/04 ,  B22D2/003 ,  B22D23/10 ,  B22D27/02 ,  B22D27/04 ,  C22B9/18

摘要： A method for manufacturing hollow ingot for retaining ring of large generator by electroslag remelting, comprising the following steps: (1) preparing consumable electrode assemblies; (2) melting slag into molten slag; (3) inserting one consumable electrode assembly into an electroslag remelting hollow ingot mold; (4) switching on two transformers; (5) pouring the molten slag into the electroslag remelting hollow ingot mold; (6) forming a current circuit among a stub, the consumable electrode assembly and a water-cooled bottom plate; (7) forming a current circuit among the upper segment, the water-cooled bottom plate and the transformer; (8) regulating the output current and voltage of the two transformers; (9) starting a withdrawing device to withdraw; (10) exchanging the consumable electrode assembly; (11) inserting a subsequent consumable electrode assembly into the molten slag, and repeating steps (8) to (10) until withdrawing is completed.

摘要翻译： 一种通过电渣重熔制造大型发电机保持环的中空锭的方法，包括以下步骤：（1）制备可消耗电极组件; （2）将炉渣熔化成熔渣; （3）将一个可消耗电极组件插入电渣重熔中空铸锭模具中; （4）接通两台变压器; （5）将熔渣倒入电渣重熔中空铸锭模具中; （6）在短截线，可消耗电极组件和水冷底板之间形成电流电路; （7）在上段，水冷底板和变压器之间形成电流电路; （8）调节两个变压器的输出电流和电压; （9）撤出撤离装置; （10）更换可消耗电极组件; （11）将随后的可消耗电极组件插入熔融炉渣中，并且重复步骤（8）至（10），直到完成抽出。

公开(公告)号：US09224527B2

公开(公告)日：2015-12-29

申请号：US14367122

申请日：2012-12-20

申请人： HITACHI METALS, LTD.

发明人： Motoki Ohta ,  Yoshihito Yoshizawa

IPC分类号： B22D11/00 ,  B22D11/06 ,  H01F1/147 ,  B22D27/04 ,  C22C38/00 ,  C22C45/02 ,  C22C33/00 ,  H01F1/153 ,  C22C38/02 ,  C22C38/08 ,  C22C38/16

CPC分类号： H01F1/14766 ,  B22D11/001 ,  B22D11/06 ,  B22D11/0611 ,  B22D11/0682 ,  B22D27/04 ,  B22D27/045 ,  C22C33/003 ,  C22C38/00 ,  C22C38/002 ,  C22C38/02 ,  C22C38/08 ,  C22C38/16 ,  C22C45/02 ,  H01F1/14708 ,  H01F1/15308

摘要： A method for producing an ultrafine-crystalline alloy ribbon having a structure in which crystal grains having an average grain size of 1-30 nm are dispersed at a ratio of 5-30% by volume in an amorphous matrix ultrafine, comprising the steps of ejecting an alloy melt onto a rotating cooling roll to quench it; forming an easily windable ribbon having such toughness that it is not fractured when bent to a bending radius of 1 mm or less, before the start of winding around a reel; and changing the forming conditions of the ribbon after the start of winding around a reel, to obtain a structure in which ultrafine crystal grains having an average grain size of 1-30 nm are dispersed at a ratio of 5-30% by volume in an amorphous matrix.

摘要翻译： 一种具有平均粒径为1〜30nm的晶粒以非晶基体超细体积的5-30体积％的比例分散的结构的超微晶合金薄带的制造方法，其特征在于，包括以下步骤： 将合金熔化到旋转的冷却辊上以使其淬火; 形成具有这样的韧性的容易卷绕的带，其在卷绕卷绕之前弯曲到弯曲半径小于或等于1mm的弯曲半径时不会断裂; 并且在绕卷绕开始卷绕之后改变色带的成形条件，以获得其平均粒径为1-30nm的超细晶粒以5-30体积％的比例分散在 无定形矩阵。

公开(公告)号：US20150352634A1

公开(公告)日：2015-12-10

申请号：US14760559

申请日：2014-01-13

申请人： SNECMA

发明人： Yvan Rappart ,  Christelle Berthelemy ,  Benoît Georges Jocelyn Marie ,  David Locatelli ,  Sébastien Digard Brou De Cuissart

IPC分类号： B22D27/04 ,  B22C21/14 ,  B22C9/22 ,  B22C9/12 ,  B22C7/02 ,  B22C9/04

摘要： A method for manufacturing a metal component using the lost-wax casting method is provided. The component is made of nickel alloy, with a columnar or monocrystalline structure with at least one cavity of elongate shape. The method includes creating a wax model of the component with a ceramic core corresponding to said cavity, the ceramic core comprising a first land for holding at one longitudinal end and a second land for holding at the opposite end, creating a shell mold around the model, the mold comprising a base and the first land of the core being at the same end as the base, placing the mold in a furnace, with the base standing on the sole of the furnace, pouring the said molten alloy into the shell mold, solidifying the poured metal by gradual cooling from the sole in a direction of propagation. The core in one example is secured to the shell mold by an anchor providing anchorage between the first land of the core and the wall of the mold, the second land of the core being retained in the mold by a retainer that slides on the wall of the mold.

摘要翻译： 提供一种使用失蜡铸造方法制造金属部件的方法。 该组件由镍合金制成，具有至少一个细长形状的空腔的柱状或单晶结构。 该方法包括用对应于所述空腔的陶瓷芯制作组件的蜡模型，陶瓷芯包括用于保持在一个纵向端的第一焊盘和用于在相对端保持的第二焊盘，在模型周围形成壳模 所述模具包括基座，并且所述芯部的所述第一平台与所述基座处于相同的端部，将所述模具放置在炉中，所述基座站立在所述炉底上，将所述熔融合金倒入所述壳模具中， 通过在传播方向上从鞋底逐渐冷却来固化浇注的金属。 一个示例中的芯通过锚固件固定到壳模具，该锚固件在芯的第一焊盘和模具的壁之间提供锚固，芯的第二焊盘通过在壁的壁上滑动的保持器保持在模具中 模具。

公开(公告)号：US20150343520A1

公开(公告)日：2015-12-03

申请号：US14287410

申请日：2014-05-27

申请人： Honda Motor Co., Ltd.

发明人： Drew Howell ,  Matthew Pettus

IPC分类号： B22C9/08 ,  B22D25/02 ,  B22D27/04

CPC分类号： B22D27/045 ,  B22C9/08 ,  B22D18/04 ,  B22D25/02

摘要： A casting apparatus for forming a cylinder head. The apparatus is configured to inhibit gate stick by promoting top-down directional solidification of molten metal in the mold cavity by any one or more of specific placement of gate pins in relation to apertures used to deliver molten metal to the mold cavity, circulating a cooling medium through the gate pins in a parallel fashion, configuring the gates so that a volume on the lower side of the gate is larger than a volume on the upper side of the gate, and insulating the inside surfaces of feeder lids and feeder bowls.

摘要翻译： 一种用于形成气缸盖的铸造装置。 该装置被配置为通过相对于用于将熔融金属输送到模腔的孔的特定放置的任何一个或多个，通过促进模腔中的熔融金属的自顶向下定向凝固来抑制门棒，循环冷却 介质通过栅极引脚以平行的方式构成栅极，使得门的下侧上的体积大于栅极上侧的体积，并且使进料盖和进料器碗的内表面绝缘。

公开(公告)号：US20150315688A1

公开(公告)日：2015-11-05

申请号：US14265995

申请日：2014-04-30

申请人： GM Global Technology Operations LLC

发明人： Herbert W. Doty

IPC分类号： C22F1/057 ,  C22C21/18 ,  C22C21/16 ,  C22C21/02 ,  B22D27/04 ,  C22F1/00 ,  C22F1/043 ,  C22F1/04 ,  B22D21/00 ,  C22C21/14 ,  C22C21/00

CPC分类号： C22C21/00 ,  B22D21/007 ,  B22D27/04 ,  C22C21/02 ,  C22C21/12 ,  C22C21/14 ,  C22C21/16 ,  C22C21/18 ,  C22F1/002 ,  C22F1/04 ,  C22F1/043 ,  C22F1/057

摘要： Aluminum alloy components having improved properties. In one form, the cast alloy component may include about 0.6 to about 14.5 wt % silicon, 0 to about 0.7 wt % iron, about 1.8 to about 4.3 wt % copper, 0 to about 1.22 wt % manganese, about 0.2 to about 0.5 wt % magnesium, 0 to about 1.2 wt % zinc, 0 to about 3.25 wt % nickel, 0 to about 0.3 wt % chromium, 0 to about 0.5 wt % tin, about 0.0001 to about 0.4 wt % titanium, about 0.002 to about 0.07 wt % boron, about 0.001 to about 0.07 wt % zirconium, about 0.001 to about 0.14 wt % vanadium, 0 to about 0.67 wt % lanthanum, and the balance predominantly aluminum plus any remainders. Further, the weight ratio of Mn/Fe is between about 0.5 and about 3.5. Methods of making cast aluminum parts are also described.

摘要翻译： 具有改进性能的铝合金部件。 在一种形式中，铸造合金组分可以包括约0.6至约14.5重量％的硅，0至约0.7重量％的铁，约1.8至约4.3重量％的铜，0至约1.22重量％的锰，约0.2至约0.5重量％ ％镁，0至约1.2重量％的锌，0至约3.25重量％的镍，0至约0.3重量％的铬，0至约0.5重量％的锡，约0.0001至约0.4重量％的钛，约0.002至约0.07重量％ 约0.001至约0.07重量％的锆，约0.001至约0.14重量％的钒，0至约0.67重量％的镧，余量主要为铝加上任何残余物。 此外，Mn / Fe的重量比为约0.5至约3.5。 还描述了制造铸铝部件的方法。

公开(公告)号：US20150258603A1

公开(公告)日：2015-09-17

申请号：US14410394

申请日：2013-06-11

申请人： JFE STEEL CORPORATION

发明人： Seiji Nabesima ,  Naomichi Iwata ,  Norichika Aramaki ,  Yuji Miki

IPC分类号： B22D11/059 ,  B22D11/22 ,  B22D27/04 ,  B22D11/00

摘要： A continuous casting mold according to the present invention has plural separate portions filled with a metal of low thermal conductivity formed by filling a metal having a thermal conductivity of 30% or less of that of copper into circular concave grooves having a diameter of 2 to 20 mm which are formed in the region of the inner wall surface of the copper mold from an arbitrary position higher than a meniscus to a position 20 mm or more lower than the meniscus, in which the filling thickness of the metal in the portions filled with the metal of low thermal conductivity is equal to or less than the depth of the circular concave grooves and satisfies the relationship with the diameter of the portions filled with the metal of low thermal conductivity expressed by expression (1) below: 0.5≦H≦d  (1).

摘要翻译： 根据本发明的连续铸造模具具有多个分开的部分，其中填充有热导率低的金属，通过将导热率为30％以下的金属填充到直径为2至20的圆形凹槽中 mm，其形成在铜模的内壁表面的区域中，从高于弯液面的任意位置到比弯月面低20mm或更多的位置，其中填充有该部分的部分中的金属的填充厚度 低导热率的金属等于或小于圆形凹槽的深度，并且满足与由下式（1）表示的低热导率的金属填充的部分的直径的关系：0.5＆nlE; H＆nlE; d （1）。

公开(公告)号：US20150218675A1

公开(公告)日：2015-08-06

申请号：US14612504

申请日：2015-02-03

申请人： MTU Aero Engines AG

发明人： Martin SCHLOFFER

IPC分类号： C22C14/00 ,  B22D27/04 ,  C22C1/00 ,  C22C1/04 ,  C22C27/02 ,  C22C30/00 ,  B22D21/02

CPC分类号： C22C14/00 ,  B22D21/022 ,  B22D27/045 ,  B22F9/04 ,  B22F2009/041 ,  C22C1/00 ,  C22C1/0458 ,  C22C1/0491 ,  C22C27/02 ,  C22C30/00 ,  C22F1/183

摘要： The present invention relates to a TiAl alloy for use at high temperatures having the main constituents titanium and aluminum and having a proportion of aluminum of greater than or equal to 30 at. % and a matrix composed of β phase and precipitates of ω phase embedded in the matrix, with the β phase and the ω phase together making up at least 55% by volume of the microstructure, and also a process for the production thereof and the use thereof.

摘要翻译： 本发明涉及一种在高温下使用的具有主要成分钛和铝并且具有大于或等于30at的铝的比例的TiAl合金。 ％和由＆bgr ω相嵌入基体的相和析出物， 相和ω相一起构成至少55体积％的微结构，以及其制备方法及其用途。

公开(公告)号：US20150202684A1

公开(公告)日：2015-07-23

申请号：US14381909

申请日：2013-01-30

申请人： HEISHIN TECHNO WERKE Ltd. ,  TOHOKU UNIVERSITY

发明人： Takashi Hashima ,  Yoichi Inoue ,  Yasunori Saotome ,  Kenji Amiya

IPC分类号： B22D25/06 ,  B22D17/22 ,  B22D27/13 ,  B22D27/04 ,  B22D27/11

CPC分类号： B22D25/06 ,  B22D17/22 ,  B22D17/2218 ,  B22D21/00 ,  B22D23/00 ,  B22D27/04 ,  B22D27/09 ,  B22D27/11 ,  B22D27/13

摘要： Provided are a method of molding an amorphous alloy, which has a high degree of work freedom regardless of components of an amorphous alloy, in particular, metallic glass and of the shape of an article to be molded, and is capable of producing a molded article having less pores, and a molded object produced by the molding method. The method of molding an amorphous alloy includes: a melting step of melting an amorphous alloy; a differential-pressure casting step of injecting a melt of the amorphous alloy into a casting mold positioned below the melt and evacuating the casting mold; and a processing step of processing the melt by heating and pressurizing the melt in the casting mold while keeping the melt in a supercooled state.

摘要翻译： 提供一种成型无定形合金的方法，无论非晶合金，特别是金属玻璃的成分和待模制品的形状如何，都具有高的工作自由度，并且能够制造成型品 具有较少的孔，以及通过模制方法生产的模制对象。 无定形合金的成型方法包括熔融无定形合金的熔融步骤; 将所述非晶合金的熔体注入位于所述熔体下方的铸模中并抽空所述铸模的差压铸造步骤; 以及通过对铸造模具中的熔体进行加热和加压同时保持熔体处于过冷状态来处理熔体的加工步骤。

公开(公告)号：US20150147227A1

公开(公告)日：2015-05-28

申请号：US14546681

申请日：2014-11-18

申请人： Almex USA, Inc.

发明人： Ravindra V. Tilak

IPC分类号： H05B6/42 ,  H05B6/26 ,  H05B6/28 ,  H05B6/36 ,  B22D11/00 ,  C22C21/00 ,  B22D11/14 ,  B22D25/06 ,  B22D27/04 ,  C22B9/00 ,  C22C21/16 ,  C22C21/06 ,  F27B14/08 ,  B22D11/10

CPC分类号： H05B6/42 ,  B22D11/003 ,  B22D11/0403 ,  B22D11/10 ,  B22D11/119 ,  B22D11/14 ,  B22D25/06 ,  C22B9/003 ,  C22C21/00 ,  C22C21/06 ,  C22C21/16 ,  F27B14/06 ,  F27B14/061 ,  F27B14/20 ,  F27D7/06 ,  H05B6/26 ,  H05B6/28 ,  H05B6/367 ,  Y02P10/253

摘要： An induction furnace comprising a upper furnace vessel; an induction coil positioned below the upper furnace vessel; and a melt-containing vessel positioned inside the induction coil and communicably connected to the upper furnace vessel, wherein the positioning of the melt-containing vessel inside the induction coil defines a gap between an outside surface of the melt-containing vessel and an inside surface of the induction coil. A system for direct-chill casting comprising at least one an induction furnace; at least one in-line filter operable to remove impurities in molten metal; at least one gas source coupled to a feed port associated with the gas; and at least one device for solidifying metal by casting. A method of cooling an induction furnace comprising introducing a gas into a gap between an induction coil and a melt-containing vessel positioned inside the induction coil; and circulating the gas through the gap.

摘要翻译： 一种感应炉，包括上炉容器; 位于上部炉容器下方的感应线圈; 以及位于感应线圈内部并且可连通地连接到上部炉容器的含熔体的容器，其中，含熔体的容器在感应线圈内的定位在熔融物容器的外表面和内表面之间形成间隙 的感应线圈。 一种用于直接冷却铸造的系统，包括至少一个感应炉; 至少一个在线过滤器可操作以去除熔融金属中的杂质; 耦合到与气体相关联的进料口的至少一个气体源; 和用于通过铸造固化金属的至少一个装置。 一种感应炉的冷却方法，包括将气体引入位于感应线圈内部的感应线圈与含熔体容器之间的间隙中; 并使气体循环通过间隙。