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1. 发明申请

US20190218646A1 SLIDE MATERIAL AND METHOD FOR MANUFACTURING SAME, AND SLIDE MEMBER 审中-公开
公开(公告)号：US20190218646A1
公开(公告)日：2019-07-18
申请号：US16336534
申请日：2017-06-08
申请人： DAIDO METAL COMPANY LTD.
发明人： Kazuaki TODA
IPC分类号： C22C9/00 , B32B15/01 , B22D19/16 , B22D27/04 , F16C33/12 , F16C33/14
CPC分类号： C22C9/00 , B22D13/02 , B22D19/00 , B22D19/16 , B22D27/04 , B22D27/045 , B32B15/015 , C22C1/00 , C22C1/02 , C22C9/01 , C22C9/02 , C22C9/04 , C22C9/05 , C22C9/06 , C22C9/10 , F16C33/12 , F16C33/121 , F16C33/14 , F16C2204/18
摘要： Provided are a slide material in which the joining strength between a Bi-containing copper alloy layer and a substrate is improved, and a method for manufacturing the slide material. The slide material according to the present invention has a substrate and a copper alloy layer. The copper alloy layer comprises a copper alloy containing 4.0-25.0 mass % of Bi and has a structure in which Bi phases are scattered in a copper alloy structure. The contact area ratio of Bi phases of the copper alloy layer at the joining interface with the substrate is not more than 2.0%. The slide material is manufactured by casting a molten copper alloy onto a substrate and causing the copper alloy to solidify unidirectionally.

2. 发明申请

US20190010580A1 ANTI-FATIGUE IN-SITU ALUMINUM-BASED COMPOSITE MATERIAL FOR HEAVY-LOAD HUBS AND PREPARATION METHOD THEREFOR 审中-公开
公开(公告)号：US20190010580A1
公开(公告)日：2019-01-10
申请号：US15771432
申请日：2016-06-20
申请人： JIANGSU UNIVERSITY , SUMEC WHEELS CO., LTD.
发明人： YUTAO ZHAO , YUANPU PENG , TONGXIANG FAN , XIZHOU KAI , GANG CHEN , WENLING WANG
IPC分类号： C22C1/06 , C22C1/03 , C22C21/00 , B60B27/00
CPC分类号： C22C1/06 , B22D27/04 , B22D27/11 , B60B3/02 , B60B3/10 , B60B27/0015 , B60B2360/104 , B60B2900/121 , B82Y30/00 , B82Y40/00 , C22C1/03 , C22C21/00 , C22C21/02 , C22F1/043
摘要： Provided are an anti-fatigue in-situ aluminium-based nanocomposite material for heavy-load automobile hubs and a preparation method therefor. By means of the fine adjustment of components and a forming process, in situ nano-compositing, micro-alloying and rapid compression moulding techniques are combined. That is, after the addition of elements Zr and B, an in-situ reaction occurs to form a nano ZrB2 ceramic reinforcement which is distributed in aluminium crystals and crystal boundaries and bonded to a metallurgical interface kept firm with the matrix. Moreover, with rare earth elements Er and Y and element Zr as addition ingredients and after the increase in the contents of Cr and Mn, a structure having fine aluminium crystal grains with a large number of micro-alloyed nano precipitated particles contained in the grains, fine and round eutectic silicon grains and a fine Mg2Si phase mainly dispersed inside the grains is obtained in the process of the rapid compression moulding and thermal treatment of the hubs; and thus, the tensile strength, the yield strength and the fatigue strength of an alloy are effectively improved.

3. 发明申请

US20180334737A1 AMORPHOUS ALLOY RIBBON AND METHOD FOR MANUFACTURING SAME 审中-公开
公开(公告)号：US20180334737A1
公开(公告)日：2018-11-22
申请号：US15528137
申请日：2015-11-20
申请人： HITACHI METALS, LTD.
发明人： Morifumi KUROKI , Kenichiro HARA , Hajime ITAGAKI
IPC分类号： C22C45/02 , B22D11/06 , B22D11/00 , B22D27/04 , C21D8/12 , C22C33/00 , H01F1/153
CPC分类号： C22C45/02 , B22D11/001 , B22D11/0611 , B22D11/0682 , B22D11/0694 , B22D27/04 , C21D8/1211 , C21D2201/03 , C22C33/003 , C22C2200/02 , H01F1/15308 , H01F1/15341 , H01F27/25
摘要： The present invention achieves an object of continuously supplying a melt from a melt nozzle over a long period of time by adjusting the contents of Mn and S in an Fe—B—Si—C-type amorphous alloy ribbon. An amorphous alloy ribbon of the present invention includes a composition containing Fe, Si, B, C, Mn, S, and inevitable impurities, the composition containing, with respect to 100.0 atm % of the total amount of Fe, Si, B, and C, 3.0 atm % or more and 10.0 atm % or less of Si, 10.0 atm % or more and 15.0 atm % or less of B, and 0.2 atm % or more and 0.4 atm % or less of C, the amorphous alloy ribbon having a content ratio of Mn of more than 0.12 mass % and less than 0.15 mass %, and a content ratio of S of 0.0036 mass % or more and less than 0.0045 mass %, the amorphous alloy ribbon having a thickness of 10 μm or more and 40 μm or less, and a width of 100 mm or more and 300 mm or less.

4. 发明申请

US20180178278A1 METHOD FOR POSITIONING CORE BY SOLUBLE WAX IN INVESTMENT CASTING 审中-公开
公开(公告)号：US20180178278A1
公开(公告)日：2018-06-28
申请号：US15391892
申请日：2016-12-28
申请人： Mapna Group
发明人： Mohammed Naseri
IPC分类号： B22D27/04 , B22C7/02 , B22C9/04 , B22C9/10 , B22C9/24 , B22D29/00 , F01D5/18 , F01D9/02 , F01D25/12
CPC分类号： B22D27/04 , B22C7/02 , B22C9/043 , B22C9/103 , B22C9/108 , B22C9/24 , B22D29/002 , F01D5/187 , F01D9/041 , F01D25/12 , F05D2230/211 , F05D2300/175
摘要： The present invention provides a method for making internal passages for use in investment casting processes, especially for gas turbine components such as blades or vanes. The apparatus comprises a first mold cavity having grooves formed therein, a second mold cavity having a shape complementary to the final casting design and ceramic cores. Each groove of the first mold cavity has a depth equal to a radius of certain number of ceramic cores which correspond to cooling channels. The ceramic cores are placed in the first mold cavity and fugitive wax is injected for temporary positioning of the cores. Two fugitive wax segments are formed about the cores. The fugitive segments locate the ceramic cores in the second mold cavity, and wax is injected about the cores and locating segments to form a pattern for investment casting process.

5. 发明申请

US20170355015A1 METHOD FOR PRODUCING IRON METAL CASTINGS 审中-公开
公开(公告)号：US20170355015A1
公开(公告)日：2017-12-14
申请号：US15508248
申请日：2015-08-26
申请人： HUPPERT ENGINEERING GMBH & CO. KG
发明人： Hans-Peter PUY
IPC分类号： B22D27/04 , B22D18/04 , B22D29/00
CPC分类号： B22D27/04 , B22C5/085 , B22C9/02 , B22C9/065 , B22C9/088 , B22C21/00 , B22C21/14 , B22D15/04 , B22D18/00 , B22D18/04 , B22D19/04 , B22D29/001 , B22D29/04 , B22D30/00 , B22D33/005
摘要： A method for producing iron metal castings, wherein an expendable mold having a cavity for holding casting material is inserted into an opened multi-part permanent mold, the permanent mold is closed, the cavity is filled with casting material, wherein a supporting device partially protruding into the cavity is partially overcast, the expendable mold is cooled in the permanent mold after the filling, the permanent mold is opened during the cooling, after the liquidus temperature has been fallen below at the earliest, and the expendable mold is nondestructively removed from the permanent mold together with the casting, the expendable mold is further cooled together with the solidified casting while hanging on the supporting device, at least until the microstructure formation of the casting is concluded, the casting is demolded by removing the expendable mold.

6. 发明申请

US20170333981A1 CASTING PROCESS AND SAND MOULD PROVIDED WITH A GATING SYSTEM FOR PRODUCING AT LEAST PARTLY THIN WALLED ALUMINIUM CASTS WITH SAND MOULDING TECHNOLOGY BY MEANS OF GRAVITY CASTING 审中-公开
公开(公告)号：US20170333981A1
公开(公告)日：2017-11-23
申请号：US15527504
申请日：2016-05-12
申请人： Alu-Onto Kft.
发明人： Gergely Hajas
IPC分类号： B22C9/08 , B22D21/00 , B22C9/02 , B22D15/04 , B22D27/04 , B22D25/02
CPC分类号： B22C9/082 , B22C9/02 , B22C9/12 , B22D15/00 , B22D15/04 , B22D21/007 , B22D25/02 , B22D27/04
摘要： The subject of the invention is a process for the production of at least partly thin-walled and aluminium castings with sand moulding technology by gravity casting, which allows producing casts with 100 times or favourably 200-400 times larger overall dimensions in case of 1-3 mm wall thickness. The main idea of the process is that sand mould containing mould cavity is provided, melt of aluminium content is produced, the melt is introduced into the mould cavity at several points through a gating system of narrowing cross section. A further subject of the invention is a sand mould fitted with a gating system to produce at least partly thin-walled castings with sand moulding technology, by gravity casting. The wall thickness of thin-walled segments is 1-3 mm and the largest dimension is more than a 100 but favourably at least 200-400 multiple of the wall thickness. The main idea behind the sand mould with a gating system is that it contains a mould cavity allowing the production of at least partly thin-walled castings, and is equipped with a gating system, which is composed of at least two sprues and one ingate to each having a porthole into the mould cavity and in liquid contact with the sprues.

7. 发明申请

US20170326635A1 METHODS FOR FABRICATING CAST COMPONENTS WITH COOLING CHANNELS 审中-公开
公开(公告)号：US20170326635A1
公开(公告)日：2017-11-16
申请号：US15595028
申请日：2017-05-15
申请人： Rolls-Royce Corporation
发明人： Charles Alan Bulgrin , Carl R. Russo , Matthew T. Kush
IPC分类号： B22D25/02 , B22C7/00 , B22C9/10 , B22D29/00 , B22C1/00 , B22D21/00 , B22D27/04 , B22C9/24 , F01D25/12 , F01D9/02
CPC分类号： B22D25/02 , B22C1/00 , B22C7/00 , B22C9/106 , B22C9/108 , B22C9/24 , B22D21/005 , B22D27/04 , B22D27/045 , B22D29/002 , F01D9/02 , F01D25/12 , F05D2230/211 , F05D2300/10
摘要： A method for fabricating a cast component with a cooling channel is provided. The method includes forming a shell mold over a pattern-ceramic matrix composite (CMC) elongated core arrangement to define a cavity in the shell mold. The pattern-CMC elongated core arrangement includes a pattern-forming material with a CMC elongated core disposed therein. The pattern-forming material in the cavity is replaced with metal via a casting process to form the cast component with the CMC elongated core disposed therein defining the cooling channel. The CMC elongated core is removed from the cast component to open the cooling channel for fluid communication.

8. 发明申请

US20170266722A1 LIGHT ALLOY WHEEL, METHOD FOR MANUFACTURING SAME, AND DEVICE FOR MANUFACTURING SAME 审中-公开
公开(公告)号：US20170266722A1
公开(公告)日：2017-09-21
申请号：US15504199
申请日：2015-09-14
申请人： Hitachi Metals, Ltd.
发明人： Takeshi HARIMOTO , Tatsuya KOHNO , Shigekazu YAMADA
IPC分类号： B22D27/04 , B60B21/02 , B60B3/02 , B60B3/06 , B22C9/06 , B22C9/28
CPC分类号： B22D27/04 , B22C9/06 , B22C9/065 , B22C9/28 , B22D18/04 , B22D21/04 , B60B3/02 , B60B3/06 , B60B21/02
摘要： A method for manufacturing a light alloy wheel that includes a substantially annular rim part and a disc part that is joined to one edge of the rim part on an inner side and is to be attached to an axle. The method includes a molten metal pouring step for pouring a light alloy molten metal from a sprue opened into a mold cavity formed into a shape of the rim part, and a forced cooling step for, after the molten metal pouring step, forcibly cooling the light alloy molten metal poured into the mold cavity formed into the shape of the rim part such that one predetermined cooling unit of a plurality of cooling units provided along an entire circumference on an outer side or an inner side of the mold cavity formed into the shape of the rim part is first operated and an other cooling unit thereof is then operated.

9. 发明授权

US09393613B2 Method for manufacturing hollow ingot for retaining ring of large generator by electroslag remelting 有权
标题翻译：通过电渣重熔制造大型发电机保持环空心锭的方法
公开(公告)号：US09393613B2
公开(公告)日：2016-07-19
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 , B22D2/00 , B22D27/02 , B22D27/04 , C22B9/18
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。

10. 发明申请

US20160059305A1 THERMAL ISOLATION FOR CASTING ARTICLES 审中-公开
标题翻译：铸造用品的热隔离
公开(公告)号：US20160059305A1
公开(公告)日：2016-03-03
申请号：US14935068
申请日：2015-11-06
申请人： REL, Inc.
发明人： Josh E. Loukus , Adam R. Loukus
IPC分类号： B22D27/04 , B22D17/20 , B22D17/22
CPC分类号： B22D27/04 , B22C9/00 , B22D17/00 , B22D17/2023 , B22D17/203 , B22D17/22 , B22D19/0081 , B22D19/02 , B22D19/08 , B22D19/14 , C04B30/02 , C04B2111/00525 , C04B2111/00577 , Y10T428/24926 , C04B14/46
摘要： Some embodiments provide methods and systems for casting articles. One example of a method includes providing and positioning a thermal blanket within a mold cavity and then introducing a molten material into the mold cavity and into contact with the thermal blanket. The method allows the molten material to remain in a molten state during a dwell time that extends from the introduction of the molten material at least until the mold cavity is filled. In another example, a method of using a thermal blanket includes keeping a molten material in a molten state during a dwell time extending from first introduction of the molten material until pressurization. Systems including a variety of mold types, one or more thermal blankets, and in some cases preforms and/or inserts are also provided. Also described is a novel thermal blanket and method of manufacturing the same.
摘要翻译：一些实施例提供了用于铸造制品的方法和系统。一种方法的一个实例包括提供并将热毯定位在模腔内，然后将熔融材料引入模腔并与热毯接触。该方法允许熔融材料在从引入熔融材料延伸的停留时间期间保持在熔融状态，至少直到模腔被填充。在另一个实例中，使用热毯的方法包括在熔融材料的第一次引入直到加压的停留时间内保持熔融材料处于熔融状态。还提供了包括各种模具类型，一个或多个热毯，以及在某些情况下的预制件和/或插入件的系统。还描述了一种新型热毯及其制造方法。

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