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公开(公告)号：US20240390973A1
公开(公告)日：2024-11-28
申请号：US18688320
申请日：2022-11-22
Applicant: PROTERIAL, LTD.
Inventor： Hiroshi SHIRATORI , Shuho KOSEKI , Shinsuke ANDO , Kousuke KUWABARA , Shinya OKAMOTO
IPC: B22D15/00
Abstract: This invention provides a composite material that is durable in a hot environment and easily produced. The composite material according to the invention has an overlaid part comprising high-melting-point metal in at least a part on the surface of a low-melting-point alloy member having a melting point of 1600° C. or lower. The overlaid part comprising high-melting-point metal comprises high-melting-point metal particles comprising high-melting-point metal elements having a melting point of 2400° C. or higher scattered therein and comprises the high-melting-point metal elements that account for 50% by mass to 95% by mass thereof.
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公开(公告)号：US20250154629A1
公开(公告)日：2025-05-15
申请号：US18861977
申请日：2023-05-01
Applicant: PROTERIAL, LTD.
Inventor： Hiroshi SHIRATORI , Shuho KOSEKI , Kousuke KUWABARA , Noriyuki NOZAWA , Shinya OKAMOTO , Toshimi MIYAGI
Abstract: Provided are an alloy having high hardness at high temperatures and high crack resistance, a powder consisting of the alloy, and an alloy member and a composite member including the alloy. The alloy includes, in % by mass, Cr at 10% to 20%, C at 1.0% to 2.5%, Ti at 3% to 8%, either or both of Nb and Ta at 8% to 15% in total, B at less than 0.5%, Al at 2% or less, Mo at 8% or less, W at 8% or less, a total of Mo and W being less than 10%, and a balance consisting of Ni and inevitable impurities, wherein a ratio of a total number of Ti, Nb, and Ta atoms to a number of C atoms is more than 1.5.
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公开(公告)号：US20240304365A1
公开(公告)日：2024-09-12
申请号：US18276245
申请日：2022-02-10
Applicant: Proterial, Ltd.
Inventor： Shinya OKAMOTO , Atsuhiko ONUMA , Nobuyuki OKAMURA , Kousuke KUWABARA , Shunya ADACHI , Masahiro SATO , Takahiro ISHII
IPC: H01F1/055 , B22F9/08 , B22F10/28 , B22F10/64 , B33Y10/00 , B33Y40/20 , B33Y80/00 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/28 , C22C38/30
CPC classification number: H01F1/055 , B22F9/082 , B22F10/28 , B22F10/64 , B33Y10/00 , B33Y40/20 , B33Y80/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/28 , C22C38/30 , B22F2009/0824 , B22F2304/10 , B22F2998/10 , B22F2999/00 , C22C2202/02
Abstract: The purpose of the present invention is to provide: an iron-chromium-cobalt alloy magnet having improved magnetic characteristics, especially maximum energy product; and a method for producing the same. Provided is an iron-chromium-cobalt alloy magnet, wherein: the iron-chromium-cobalt alloy magnet includes titanium; the number density of Ti-enriched phases having a maximum diameter of 3 μm or greater in a cross-section is, on average, less than 1.0 per 10,000 μm2; and the squareness ratio represented by (BH)ma×/(Br×HcB) exceeds 0.72.
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Patent Agency Ranking
公开(公告)号：US20240383032A1
公开(公告)日：2024-11-21
申请号：US18688119
申请日：2023-03-01
Applicant: PROTERIAL, LTD.
Inventor： Yuri ITO , Shuho KOSEKI , Kousuke KUWABARA , Shinya OKAMOTO
IPC: B22C9/06 , B22F10/28 , B22F10/62 , B23K26/342 , B23K101/34 , B33Y10/00 , B33Y40/20 , B33Y70/10 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/10 , C22C38/12 , C22C38/14
Abstract: This invention provides a composite material that is durable in a hot environment and easily produced. The composite material according to the invention has an overlaid part comprising high-melting-point metal in at least a part on the surface of a low-melting-point alloy member having a melting point of 1600° C. or lower. The overlaid part comprising high-melting-point metal comprises high-melting-point metal particles comprising high-melting-point metal elements having a melting point of 2400° C. or higher scattered therein, and 40% or more of the high-melting-point metal particles has a roundness of 0.7 or higher. The low-melting-point alloy member comprises one type of a low-melting-point alloy selected from among a Fe-based alloy, a Ni-based alloy, a Co-based alloy, a Ti-based alloy, a Cr-based alloy, and a high-entropy alloy and the high-melting-point metal particles comprise at least one type of high-melting-point metal element selected from among W, Ta, Mo, and Nb.
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公开(公告)号：US20240376573A1
公开(公告)日：2024-11-14
申请号：US18690344
申请日：2022-02-10
Applicant: PROTERIAL, LTD.
Inventor： Hiroshi SHIRATORI , Shuho KOSEKI , Shinya OKAMOTO , Kousuke KUWABARA , Shinsuke ANDOH
IPC: C22C29/08 , B23B27/14 , B28B1/00 , B33Y10/00 , B33Y40/20 , B33Y80/00 , C22C19/00 , C22C19/03 , C22C19/05 , C22C29/06
Abstract: The invention provides a cermet composite material that can improve a bond strength between a cermet part and a non-cermet part without heat treatment at high temperature. The cermet composite material according to the invention comprises a cermet part including hard carbides dispersed in a metallic phase and a non-cermet part consisting of a Ni-based alloy including 50% by mass or more of Ni with the cermet part being formed on the non-cermet part by additive manufacturing, wherein the cermet composite material comprises an intermediate layer including both components of the cermet part and components of the non-cermet part between the cermet part and the non-cermet part, and the non-cermet part consists of the Ni-based alloy including 3.0% by mass to 15.0% by mass of Ti or the Ni-based alloy including 0.5% by mass to less than 3.0% by mass of Ti and 4% by mass to 15% by mass of Nb and Ta in total.
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6.发明公开公开(公告)号：US20230294201A1
公开(公告)日：2023-09-21
申请号：US18034881
申请日：2021-11-02
Applicant: Proterial, Ltd.
Inventor： Jing NIU , Kousuke KUWABARA
CPC classification number: B23K26/032 , G01N21/88 , B22F10/28 , B22F10/80 , B33Y50/00 , B23K26/342 , B33Y10/00
Abstract: Provided are a method for predicting a defect of an additive-manufactured product manufactured by melting and solidifying metal powder, and a method for manufacturing an additive-manufactured product. The method for predicting a defect of an additive-manufactured product has: a luminance data acquisition step for acquiring luminance data on light emitted from a melt pool formed when the metal power is melted and solidified; an evaluation data extraction step for extracting evaluation data from the luminance data; and an evaluation step for estimating the presence/absence of a defect of the additive-manufactured product by using the evaluation data, wherein the evaluation data includes a luminance average value and a luminance standard deviation.
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公开(公告)号：US20250091128A1
公开(公告)日：2025-03-20
申请号：US18728077
申请日：2023-01-10
Applicant: Proterial, Ltd.
Inventor： Jing NIU , Kousuke KUWABARA
Abstract: [Problem] The present invention addresses the problem of providing a re-used alloy powder for additive manufacturing and a method for producing an additive manufacturing product, wherein stable modeling is possible and defects can be suppressed even in cases where an alloy powder for additive manufacturing is re-used. [Solution] The present invention provides a re-used alloy powder for additive manufacturing, the re-used alloy powder being characterized in that: the surface of the alloy powder is provided with an oxide film; the alloy powder contains, in mass %, more than 0.015% but less than 0.106% of oxygen; and the oxide film has a maximum thickness of 200 nm or less (excluding 0).
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8.发明申请公开(公告)号：US20250075296A1
公开(公告)日：2025-03-06
申请号：US18567328
申请日：2022-06-07
Applicant: PROTERIAL, LTD.
Inventor： Tatsuya KIMURA , Hiroshi SHIRATORI , Kousuke KUWABARA
Abstract: Provided is an alloy material that can improve mechanical properties in a high-temperature environment, an alloy product using the alloy material, and a machine device provided with the alloy product.
The alloy material is an alloy material containing each of Co, Cr, Fe, and Ni in a range of 5 at % to 40 at %, Mo in a range of more than 0 at % and 8 at % or less, Ti in a range of 1 at % to 10 at %, and B in a range of more than 0 at % and less than 0.15 at % with a remainder consisting of inevitable impurities. This alloy material may contain B in a range of 0.03 at % to 0.12 at % and may contain at least one of Ta and Nb in a range of 4 at % or less. Preferably, the Ti and the at least one of Ta and Nb are contained at a total of 3 at % to 10 at %.
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