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公开(公告)号：US20220274163A1
公开(公告)日：2022-09-01
申请号：US17637635
申请日：2019-11-15
摘要： The present disclosure relates to a method of three-dimensional (3D) printing a 3D printed metal object. The method comprises selectively jetting an alloying agent onto build material. The build material comprises a first metal and the alloying agent comprises an alloying component that forms an alloy with the first metal. The method also comprises selectively jetting a binding agent onto the build material; binding the build material to form a layer: the alloying component is incorporated in the 3D object in a predetermined arrangement that comprises a first and a second region. The first region comprises the alloying component and the second region is substantially free from the alloying component or comprises the alloying component at a lower concentration than the first regions. The disclosure also relates to a kit that may be used in the method and a 3D printed structure that may be formed using the method.
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公开(公告)号：US11629280B2
公开(公告)日：2023-04-18
申请号：US16612952
申请日：2018-05-18
申请人： Kao Corporation
发明人： Taichi Homma , Ryohei Suzuki , Takahiro Maezawa , Tetsuya Tabata
摘要： An iron powder for an exothermic composition according to the present invention has a bulk density of 0.3 to 1.5 g/cm3. Furthermore, an exothermic composition according to the present invention contains the iron powder, a carbon material, a halide salt, and water. Furthermore, an exothermic body production method according to the present invention includes: forming a coated member by coating a base material sheet with a flowable exothermic composition containing the iron powder, a carbon material, and water; and adjusting an amount of moisture in the coated member by removing water from the coated member. Furthermore, the present invention is directed to a production method for the iron powder (an iron powder for an exothermic composition) including: a reducing step of reducing iron oxide to obtain reduced iron; and a step of milling the reduced iron. In the reducing step, the iron oxide is reduced by introducing iron oxide and a solid reductant with a volatile matter content of 10% by mass or more into a heating furnace whose internal portion contains no sulfur gas or is set to an air or inert gas atmosphere, and setting the internal portion to a reducing gas atmosphere through heating under a condition that an ambient temperature of the internal portion is from 900 to 1000° C.
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公开(公告)号：US20220226904A1
公开(公告)日：2022-07-21
申请号：US17577536
申请日：2022-01-18
申请人： Siemens Energy, Inc.
发明人： Kazim Ozbaysal , Ahmed Kamel
IPC分类号： B22F10/62 , B22F1/105 , B22F12/41 , B22F10/28 , B22F5/04 , B22F10/64 , B33Y10/00 , B33Y40/20 , B33Y70/00 , B33Y80/00
摘要： A method is provided that facilitates additive manufacturing a superalloy component using a liquid assisted additive manufacturing process. The method includes successively depositing and fusing together layers of a superalloy powder mixture comprising a high melt superalloy powder and a low melt superalloy powder to build up an additive portion of the superalloy component. The method may further include heat treating the additive portion to form a homogenized base alloy of which the additive portion is comprised, which base alloy has a chemistry defined by the superalloy powder mixture. Each of the high melt superalloy powder, the low melt superalloy powder, and the superalloy powder mixture may have a nickel content by weight greater than 40% and have an aluminum content by weight of greater than 1.5%. The low melt superalloy powder may include at least 5% by weight of tantalum, and the high melt superalloy powder may include less than half the content by weight percent of tantalum compared to the content by weight percent of tantalum in the low melt superalloy powder.
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公开(公告)号：US20230076796A1
公开(公告)日：2023-03-09
申请号：US17921335
申请日：2020-04-29
摘要： The present disclosure relates to a kit for 3D printing a 3D printed metal object. The kit comprises build material comprising metal particles; and a binding agent. The binding agent comprises a hydrated metal salt having a dehydration temperature of from 100 to about 250° C., and water. The binding agent may be either free from organic solvent and surfactant, or the binding agent comprises organic solvent and/or surfactant and the total amount of organic solvent and/or surfactant is less than 3 weight % based on the total weight of the binding agent.
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公开(公告)号：US20220226892A1
公开(公告)日：2022-07-21
申请号：US17311421
申请日：2019-10-11
摘要： A kit for three-dimensional printing a metal object is described. The kit comprises a build material and a shaping composition. The build material comprises metallic particles. The shaping composition comprises a metallic mixture for forming an intermetallic compound with the metallic particles and/or that is exothermically reactive.
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公开(公告)号：US20230022092A1
公开(公告)日：2023-01-26
申请号：US17847022
申请日：2022-06-22
发明人： Jeong Ho CHO , Soo Young CHO , Dong Hae HO
IPC分类号： B22F10/18 , C09D11/38 , B33Y40/20 , B33Y10/00 , B33Y30/00 , B22F1/105 , B22F1/05 , B33Y70/00
摘要： The disclosure relates to a powdery filament composition for 3D printing, a 3D printer, and a method of additively manufacturing an object by the 3D printer, and more particularly to a powdery filament composition for 3D printing, which is suitable for home use because it does not produce toxic substances, a 3D printer, the size of which is suitable for home use because it does not require high power energy, high-temperature processing and the like conditions for additive manufacturing, and a method of additively manufacturing an object by the 3D printer.
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公开(公告)号：US11326233B2
公开(公告)日：2022-05-10
申请号：US16918534
申请日：2020-07-01
申请人： NOF CORPORATION
发明人： Takeshi Yoshimura
IPC分类号： C22C33/02 , C11D9/00 , C07C53/128 , C08K5/098 , C11D1/04 , C11D17/06 , C07C51/41 , B22F1/105 , B22F1/10
摘要： A method of manufacturing an iron soap is disclosed herein. The method comprising the steps of: reacting, at a temperature equal to or lower than a crystal transition initiation temperature of the iron soap to be manufactured, between a straight-chain saturated fatty acid alkali metal salt aqueous solution having from 12 to 22 carbons and a trivalent iron salt aqueous solution with pH of 0.1 to 5.5 so as to prepare an iron soap slurry; and adjusting pH of the prepared iron soap slurry to from 0.1 to 6.0.
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公开(公告)号：US11318532B2
公开(公告)日：2022-05-03
申请号：US16077183
申请日：2017-07-19
摘要： Methods of forming 3D printed metal objects and compositions for 3D printing are described herein. In an example, a method of forming a 3D printed metal object can comprise: (A): a build material comprising at least one metal being deposited; (B): a fusing agent being selectively jetted on the build material, the fusing agent comprising: (i) at least one hydrated metal salt having a dehydration temperature of from about 100° C. to about 250° C., and (ii) a carrier liquid comprising at least one surfactant and water; (C): the build material and the selectively jetted fusing agent being heated to a temperature of from about 100° C. to about 250° C. to: (a) remove the carrier liquid, (b) dehydrate the hydrated metal salt, and (c) bind the build material and the selectively jetted fusing agent; and (D): (A), (B), and (C) being repeated at least one time to form the 3D printed metal object.
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公开(公告)号：US20230128986A1
公开(公告)日：2023-04-27
申请号：US17813418
申请日：2022-07-19
发明人： Wang Hyun Yong , Hyung Jin Jeon , Choong Kwon Park
IPC分类号： B22F1/102 , B22F1/12 , B22F1/105 , C22C38/52 , C22C38/44 , C22C38/42 , C22C38/04 , C22C38/02 , C22C38/00
摘要： The present disclosure relates to an iron-based mixed powder having excellent uniformity, fluidity and moldability by applying polyamide as a binder, and a method for manufacturing the same. The iron-based mixed powder according to an embodiment of the present disclosure is composed of a mixture of a raw material of mixed powder in which iron-based powder and additive powder are mixed, and polyamide as a binder, wherein 0.03 to 1.50 parts by weight of the binder is mixed based on 100 parts by weight of the raw material of the mixed powder.
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公开(公告)号：US11383300B2
公开(公告)日：2022-07-12
申请号：US16606983
申请日：2018-07-26
发明人： Katsumi Okamura , Akito Ishii , Satoru Kukino
摘要： A sintered material has 3% by volume or more and 80% by volume or less of cubic boron nitride grains and a binder. The binder contains: one or more types selected from the group consisting of one or more compounds composed of one or more first elements selected from the group consisting of a group 4 element, a group 5 element, a group 6 element, Al and Si and one or more second elements selected from the group consisting of C, N, O and B, and a solid solution of these compounds; and one or more metallic elements selected from the group consisting of Li, Ca, Na, Sr, Ba and Be. The binder contains the one or more metallic elements of 0.001% by mass or more and 0.5% by mass or less in total, and oxygen of 0.1% by mass or more and 10.0% by mass or less.
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