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公开(公告)号：US10953419B2
公开(公告)日：2021-03-23
申请号：US16320547
申请日：2018-01-25
发明人： Tadayuki Hanada , Kenji Suzuki , Satoru Yamazaki , Kenji Doi , Shuntaro Terauchi , Hisashi Kitagaki
摘要： A gas atomization nozzle includes a through-hole formed along a center line; a nozzle portion configured of a Laval nozzle which is disposed around the center line and provided to be inclined at a predetermined angle toward the center line; and swirling motion imparting means for imparting a swirling flow around the center line to gas which is injected from the nozzle portion. The nozzle portion is formed in a ring shape which is continuous around the center line, and the swirling motion imparting means is configured as a fin provided in the nozzle portion to impart a swirling flow.
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公开(公告)号：US11666967B2
公开(公告)日：2023-06-06
申请号：US17968917
申请日：2022-10-19
IPC分类号： B22F3/22 , B22F3/10 , F23R3/00 , B22F1/10 , B22F5/00 , F01D25/00 , F23R3/42 , F02C7/00 , B22F3/16 , B22F3/02
CPC分类号： B22F3/225 , B22F3/1021 , B22F5/009 , F01D25/00 , F02C7/00 , F23R3/002 , F23R3/42 , B22F1/10 , B22F3/02 , B22F3/10 , B22F3/16 , B22F3/227 , B22F2005/005 , B22F2998/10 , B22F2999/00 , F23R2900/00018
摘要： By melting a shaping material in which a metal powder and a binder are mixed and by carrying out injection molding (primary shaping) in an injection mold, an injection molded body, or an intermediate shaped body are produced. The injection molded body or the intermediate shaped body is placed by a transfer mold and is subjected to a gravity shaping (secondary shaping) with a transformation. A sintered body is manufactured by carrying out debindering and sintering to the injection molded body.
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公开(公告)号：US11511339B2
公开(公告)日：2022-11-29
申请号：US16067124
申请日：2017-02-07
IPC分类号： B22F3/22 , B22F5/00 , F01D25/00 , B22F3/10 , F23R3/00 , B22F1/10 , F23R3/42 , F02C7/00 , B22F3/16 , B22F3/02
摘要： By melting a shaping material in which a metal powder and a binder are mixed and by carrying out injection molding (primary shaping) in an injection mold, an injection molded body, or an intermediate shaped body are produced. The injection molded body or the intermediate shaped body is placed by a transfer mold and is subjected to a gravity shaping (secondary shaping) with a transformation. A sintered body is manufactured by carrying out debindering and sintering to the injection molded body.
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公开(公告)号：US10981229B2
公开(公告)日：2021-04-20
申请号：US16090833
申请日：2017-02-28
发明人： Kenji Suzuki , Kentaro Shindo , Shuntaro Terauchi , Hisashi Kitagaki , Kazuki Hanami , Tadayuki Hanada
摘要： A method is for producing a TiAl-based intermetallic sintered compact. The method includes mixing Ti powder, Al powder, and a binder to yield a mixture; molding the mixture into a molded product having a predetermined shape with a metal injection molder; placing the molded product in a preliminary sintering die having a storage space inside; performing sintering at a predetermined preliminary sintering temperature to produce a preliminary sintered compact; releasing the preliminary sintered compact from the preliminary sintering die; and performing sintering at a sintering temperature higher than the preliminary sintering temperature to form the TiAl-based intermetallic sintered compact.
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公开(公告)号：US11040396B2
公开(公告)日：2021-06-22
申请号：US16462400
申请日：2017-11-22
IPC分类号： B22F3/10 , B22F3/14 , B29C45/07 , B29C45/76 , B22F3/22 , B22F5/04 , C22C1/04 , B22F7/06 , B22F1/00
摘要： A method for metal powder injection molding includes injecting a first metal powder of a TiAl-based intermetallic compound into a mold, and molding the first metal powder through use of an injection molding machine; injecting a second metal powder of a TiAl-based intermetallic compound having a same constituent as the first metal powder and having a different average particle diameter from the first metal powder into a mold, and molding the second metal powder through use of the injection molding machine; and sintering molded articles obtained by molding the first metal powder and the second metal powder, and producing a mixed sintered compact in which a first sintered compact of the molded article obtained by molding the first metal powder and a second sintered compact of the molded article obtained by molding the second metal powder are integrated.
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