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公开(公告)号:US12103082B2
公开(公告)日:2024-10-01
申请号:US17631073
申请日:2020-09-24
Applicant: Toho Titanium Co., Ltd.
Inventor: Masahiro Morita , Masashi Hayakawa , Yosuke Inoue , Hideki Fujii
CPC classification number: B22F3/15 , B22F1/05 , B22F3/04 , B22F2301/205 , B22F2304/10 , B33Y80/00
Abstract: A method for producing a metallic green compact 61 relates to a method for producing the green compact 61 having at least one recess 62, including a step of subjecting a raw material powder filled in a resin mold 1 to cold isostatic pressing while placing a resin core material 11 having a shape corresponding to the recess 62 at a position corresponding to the recess 62 in the resin mold 1.
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公开(公告)号:US20220274167A1
公开(公告)日:2022-09-01
申请号:US17631073
申请日:2020-09-24
Applicant: Toho Titanium Co., Ltd.
Inventor: Masahiro Morita , Masashi Hayakawa , Yosuke Inoue , Hideki Fujii
Abstract: A method for producing a metallic green compact 61 relates to a method for producing the green compact 61 having at least one recess 62, including a step of subjecting a raw material powder filled in a resin mold 1 to cold isostatic pressing while placing a resin core material 11 having a shape corresponding to the recess 62 at a position corresponding to the recess 62 in the resin mold 1.
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公开(公告)号:US20250100048A1
公开(公告)日:2025-03-27
申请号:US18730840
申请日:2022-12-27
Applicant: Toho Titanium Co., Ltd.
Inventor: Yosuke Inoue
Abstract: The titanium porous body according to the present invention is in a form of a sheet, and has a titanium content of 97% by mass or more, an oxygen content of 0.9% by mass or more and 2.0% by mass or less, and a carbon content of 0.01% by mass or more and 0.06% by mass or less, and has a thickness of 0.3 mm or less, a porosity of 35% or more and 45% or less, an irreversible deformation amount after being pressurized at 65 MPa of 5.0% or less, and a bending strain at break of 0.005 or more.
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公开(公告)号:US20230374627A1
公开(公告)日:2023-11-23
申请号:US18029943
申请日:2021-09-16
Applicant: Toho Titanium Co., Ltd. , Toyota Jidosha Kabushiki Kaisha
Inventor: Shougo Tsumagari , Yosuke Inoue , Hiroyuki Kawai
CPC classification number: C22C1/0458 , C22C14/00
Abstract: A method for manufacturing a porous metal body according to the present invention is a method for manufacturing a sheet-shaped porous metal body 4a containing titanium by sintering a titanium-containing powder 4 by heating it on a forming surface 2 of a forming die 1, the method including: an area setting step of setting, on the forming surface 2 of the forming die 1, an adhesion area Aa where it is located on an outer edge side of the forming surface 2 and the titanium-containing powder 4 adheres during sintering without a releasing layer 3, and an easily releasable area Ar where a releasing layer 3 is formed; after the area setting step, a powder deposition step of depositing the titanium-containing powder 4 in a dry process on the forming surface 2; and after the powder deposition step, a powder sintering step of sintering the titanium-containing powder 4 on the forming surface 2 while heating the titanium-containing powder 4 at a temperature of 950° C. or more on the forming surface 2 and allowing the titanium-containing powder 4 located on the adhesion area Aa to adhere to the adhesion area Aa.
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公开(公告)号:US20230084462A1
公开(公告)日:2023-03-16
申请号:US17794300
申请日:2020-12-15
Applicant: Toho Titanium Co., Ltd.
Inventor: Yosuke Inoue , Syogo Tsumagari , Yasuhiko Goto
Abstract: A method for manufacturing a porous metal body according to the present invention includes: a surface oxidizing step of heating a titanium-containing powder in an atmosphere containing oxygen at a temperature of 250° C. or more for 30 minutes or more to provide a surface-oxidized powder; and a sintering step of depositing the surface-oxidized powder in a dry process, and sintering the surface-oxidized powder by heating it in a reduced pressure atmosphere or an inert atmosphere at a temperature of 950° C. or more.
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公开(公告)号:US20250101545A1
公开(公告)日:2025-03-27
申请号:US18730825
申请日:2022-12-27
Applicant: Toho Titanium Co., Ltd.
Inventor: Yosuke Inoue
Abstract: ABSTRACT: The titanium porous body according to the present invention is in a form of a sheet, and has a thickness of 0.3 mm or less, and a bending strain at break of 0.005 or more, wherein, for a three-dimensional surface texture of at least one surface of the titanium porous body, an arithmetic mean height Sa is 2.5 μm or less, a maximum height Sz is 30 μm or less, an aspect ratio Str of the surface texture is 0.93 or more, and an arithmetic mean curvature Spc of a peak is 4.8 (1/μm) or less.
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公开(公告)号:US11975388B2
公开(公告)日:2024-05-07
申请号:US18019709
申请日:2021-08-17
Applicant: Toho Titanium Co., Ltd.
Inventor: Yosuke Inoue , Shougo Tsumagari
CPC classification number: B22F3/11 , B22F1/052 , C22C1/08 , B22F2301/205 , B22F2304/10
Abstract: The titanium-based porous body according to the present invention is in a form of a sheet and contains titanium, and the titanium-based porous body has a thickness of 0.8 mm or less, a porosity of 30% to 65%, a maximum height Rz1 of one sheet surface of 30 μm or less, a ratio of a maximum height Rz2 of other sheet surface to the maximum height Rz1 of the one sheet surface (Rz2/Rz1) of 1.2 or more, and a compression deformation rate of 19% or less.
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公开(公告)号:US20250073778A1
公开(公告)日:2025-03-06
申请号:US18718084
申请日:2022-11-24
Applicant: Toho Titanium Co., Ltd.
Inventor: Yosuke Inoue
Abstract: The titanium porous body according to the present invention is in a form of a sheet, and has a thickness of 0.3 mm or less and a compressive strain amount of 0.20 or less upon pressurization at 80 MPa, wherein a half width of a first peak that is the highest peak height in a pore size distribution showing a relationship between a diameter and a volume of pores is less than or equal to 3.5 μm, and a peak height of a second peak that is the second highest peak height after the first peak is less than or equal to 10% of the peak height of the first peak.
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公开(公告)号:US12090549B2
公开(公告)日:2024-09-17
申请号:US17794300
申请日:2020-12-15
Applicant: Toho Titanium Co., Ltd.
Inventor: Yosuke Inoue , Syogo Tsumagari , Yasuhiko Goto
CPC classification number: B22F1/16 , B22F1/142 , B22F1/145 , B22F3/1007 , B22F3/11 , B22F5/006 , C22C14/00 , B22F2201/03 , B22F2201/10 , B22F2201/20 , B22F2301/205 , B22F2302/25 , B22F2304/10 , B22F2999/00 , B22F1/145 , B22F2201/03 , B22F1/16
Abstract: A method for manufacturing a porous metal body according to the present invention includes: a surface oxidizing step of heating a titanium-containing powder in an atmosphere containing oxygen at a temperature of 250° C. or more for 30 minutes or more to provide a surface-oxidized powder; and a sintering step of depositing the surface-oxidized powder in a dry process, and sintering the surface-oxidized powder by heating it in a reduced pressure atmosphere or an inert atmosphere at a temperature of 950° C. or more.
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公开(公告)号:US20230311205A1
公开(公告)日:2023-10-05
申请号:US18019709
申请日:2021-08-17
Applicant: Toho Titanium Co., Ltd.
Inventor: Yosuke Inoue , Shougo Tsumagari
CPC classification number: B22F3/11 , B22F1/052 , C22C1/08 , B22F2301/205 , B22F2304/10
Abstract: The titanium-based porous body according to the present invention is in a form of a sheet and contains titanium, and the titanium-based porous body has a thickness of 0.8 mm or less, a porosity of 30% to 65%, a maximum height Rz1 of one sheet surface of 30 µm or less, a ratio of a maximum height Rz2 of other sheet surface to the maximum height Rz1 of the one sheet surface (Rz2/Rz1) of 1.2 or more, and a compression deformation rate of 19% or less.
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