JP7243938B1 - 無方向性電磁鋼板、鉄心、鉄心の製造方法、モータ、およびモータの製造方法 - Google Patents

無方向性電磁鋼板、鉄心、鉄心の製造方法、モータ、およびモータの製造方法 Download PDF

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JP7243938B1
JP7243938B1 JP2022558034A JP2022558034A JP7243938B1 JP 7243938 B1 JP7243938 B1 JP 7243938B1 JP 2022558034 A JP2022558034 A JP 2022558034A JP 2022558034 A JP2022558034 A JP 2022558034A JP 7243938 B1 JP7243938 B1 JP 7243938B1
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steel sheet
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electrical steel
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JPWO2023008513A1 (https=
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一郎 田中
岳顕 脇坂
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Nippon Steel Corp
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    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/1261—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment following hot rolling
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1266—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment between cold rolling steps
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272—Final recrystallisation annealing
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
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    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
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  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
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  • Manufacturing Of Steel Electrode Plates (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
JP2022558034A 2021-07-30 2022-07-28 無方向性電磁鋼板、鉄心、鉄心の製造方法、モータ、およびモータの製造方法 Ceased JP7243938B1 (ja)

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JP2021126289 2021-07-30
JP2021126289 2021-07-30
PCT/JP2022/029067 WO2023008513A1 (ja) 2021-07-30 2022-07-28 無方向性電磁鋼板、鉄心、鉄心の製造方法、モータ、およびモータの製造方法

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JP7243938B1 true JP7243938B1 (ja) 2023-03-22
JPWO2023008513A5 JPWO2023008513A5 (https=) 2023-07-04

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KR (1) KR20230144583A (https=)
CN (1) CN117015626A (https=)
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