CN120530229A - 方向性电磁钢板以及方向性电磁钢板的中间层及绝缘被膜的形成方法 - Google Patents

方向性电磁钢板以及方向性电磁钢板的中间层及绝缘被膜的形成方法

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Publication number
CN120530229A
CN120530229A CN202380091466.4A CN202380091466A CN120530229A CN 120530229 A CN120530229 A CN 120530229A CN 202380091466 A CN202380091466 A CN 202380091466A CN 120530229 A CN120530229 A CN 120530229A
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CN
China
Prior art keywords
steel sheet
grain
oriented electrical
intermediate layer
electrical steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202380091466.4A
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English (en)
Chinese (zh)
Inventor
竹田和年
高谷真介
片冈隆史
小之仓勇树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal Corp
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Filing date
Publication date
Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of CN120530229A publication Critical patent/CN120530229A/zh
Pending legal-status Critical Current

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    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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    • 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
    • C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • 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
    • C21D8/1261—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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • 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
    • C21D8/1294—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 involving a localised treatment

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  • Manufacturing & Machinery (AREA)
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  • Soft Magnetic Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
CN202380091466.4A 2023-02-13 2023-12-20 方向性电磁钢板以及方向性电磁钢板的中间层及绝缘被膜的形成方法 Pending CN120530229A (zh)

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JPH0699822B2 (ja) * 1988-02-16 1994-12-07 川崎製鉄株式会社 超低鉄損一方向性珪素鋼板の製造方法
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JPH05279747A (ja) 1992-04-02 1993-10-26 Nippon Steel Corp 方向性電磁鋼板の絶縁皮膜形成方法
JP2698003B2 (ja) 1992-08-25 1998-01-19 新日本製鐵株式会社 一方向性珪素鋼板の絶縁皮膜形成方法
JP2962715B2 (ja) 1997-10-14 1999-10-12 新日本製鐵株式会社 電磁鋼板の絶縁皮膜形成方法
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US11326219B2 (en) * 2016-10-18 2022-05-10 Jfe Steel Corporation Grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet
JP7265122B2 (ja) 2019-01-16 2023-04-26 日本製鉄株式会社 方向性電磁鋼板及び方向性電磁鋼板の製造方法
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