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公开(公告)号：US20240294812A1
公开(公告)日：2024-09-05
申请号：US18571940
申请日：2022-04-28
发明人： Kazunori ISHIKAWA , Tsubasa ITO , Takashi ARAMAKI , Hiroshi OISHI
IPC分类号： C09J163/00 , C09J11/06 , C09J11/08
CPC分类号： C09J163/00 , C09J11/06 , C09J11/08
摘要： An adhesive composition is provided for laminating an electromagnetic steel sheet, including an epoxy resin (AA) containing an epoxy resin (A) having equal to or more than 3 epoxy groups in one molecule, a phenoxy resin (B) having a glass transition temperature exceeding 120° C. in an uncured state in differential scanning calorimetry, and an amine-based latent curing agent (C), wherein the epoxy resin (A) contains an epoxy resin having a softening temperature equal to or higher than 60° C., a content of the phenoxy resin (B) is 20 to 80 parts by mass based on 100 parts by mass of the epoxy resin (AA), and a glass transition temperature of the resulting adhesive cured product in differential scanning calorimetry exceeds 160° C.
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公开(公告)号：US20220368182A1
公开(公告)日：2022-11-17
申请号：US17642906
申请日：2020-10-06
摘要： A rotor is a magnet-embedded rotor incorporated in a traveling motor of a vehicle, and includes: a laminated core having steel sheets laminated to each other and a bonding layer for bonding the steel sheets adjacent to each other in a laminating direction; and a magnet embedded in the laminated core. When the rotor rotates at 11000 rpm, a maximum amount of displacement of an outer edge of the laminated core of the rotor in a radial direction is 0.1 mm or less.
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公开(公告)号：US20230160046A1
公开(公告)日：2023-05-25
申请号：US17909706
申请日：2021-03-26
发明人： Nobuo YOSHIKAWA , Takashi ARAMAKI , Tetsuji FUKUZATO , Kazuhisa KUSUMI , Hisayoshi YATOH , Yoshinari YANO
IPC分类号： C22C38/60 , C21D7/02 , C22C38/32 , C22C38/40 , C22C38/28 , C22C38/26 , C22C38/22 , C22C38/20 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00
CPC分类号： C22C38/60 , C21D7/02 , C22C38/32 , C22C38/40 , C22C38/28 , C22C38/26 , C22C38/22 , C22C38/20 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/008 , C22C38/005 , C22C38/004 , C22C38/002 , C22C38/001
摘要： This steel sheet has a predetermined chemical composition, and, on a surface parallel to a surface at a ¼ position of a sheet thickness in a sheet thickness direction from the surface, with respect to a total area of three types of oxides of MnO, Cr2O3 and Al2O3 having a major axis of more than 1.0 μm, a total area ratio of the MnO and the Cr2O3 is 98.0% or more, and an area ratio of the Al2O3 is 2.0% or less.
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公开(公告)号：US20210164080A1
公开(公告)日：2021-06-03
申请号：US16768869
申请日：2018-12-05
发明人： Soshi FUJITA , Yuki SUZUKI , Masahiro FUDA , Jun MAKI , Hideaki IRIKAWA , Takashi ARAMAKI , Tatsuya KUBOTA
IPC分类号： C22C38/54 , C23C2/12 , C22C38/50 , C22C38/48 , C22C38/44 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/40 , C21D9/46 , C21D8/02 , C21D9/00
摘要： An aluminum-based plated steel sheet according to an aspect of the present invention includes: a base material; an aluminum-based plating layer located above the base material; and an intermetallic compound layer that is located between the base material and the aluminum-based plating layer and contains an intermetallic compound of Al and Fe, in which the base material has a chemical component within a predetermined range, the aluminum-based plating layer contains, on average, 80 mass % or more and 97 mass % or less of Al, 3 mass % or more and 15 mass % or less of Si, 0 mass % or more and 5 mass % or less of Zn, 0 mass % or more and 5 mass % or less of Fe, 0 mass % or more and 3 mass % or less in total of one or more selected from the group consisting of Mg and Ca, and impurities so that a total amount thereof is 100 mass %, an average value of a thickness of the intermetallic compound layer is 2 μm or more and 10 μm or less, a maximum value of the thickness of the intermetallic compound layer is 10 μm or more and 25 μm or less, and a standard deviation of the thickness of the intermetallic compound layer is 2 μm or more and 10 μm or less.
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公开(公告)号：US20230028362A1
公开(公告)日：2023-01-26
申请号：US17777574
申请日：2020-11-25
发明人： Kazuhisa KUSUMI , Katsuhiro FUCHIGAMI , Takashi ARAMAKI , Hideaki IRIKAWA , Haruhiko EGUCHI , Takahisa HONDA , Takashi MOROHOSHI
IPC分类号： C22C38/58 , C22C38/54 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/02 , C22C38/00
摘要： There is provided a hot-stamped member or a steel sheet for hot stamping having a chemical composition including, in mass %, C: 0.25% or more and 0.55% or less, Si: 0.001% or more and 2.0% or less, Mn: 0.3% or more and 3.0% or less, P: 0.02% or less, S: 0.003% or less, Al: 0.005% or more and 1.0% or less, Cr: 0% or more and 1.0% or less, Mo: 0% or more and 1.0% or less, N: 0.02% or less, Ca: 0% or more and 0.0010% or less, B: 0.0005% or more and 0.01% or less, one or two or more selected from the group consisting of Ti: 0.005% or more and 0.5% or less, Nb: 0.005% or more and 0.5% or less, V: 0.005% or more and 0.5% or less, and Zr: 0.005% or more and 0.5% or less, and Ni+Cu+Sn: 0% or more and 2% or less, and a remainder consisting of Fe and impurities.
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