JP2016536460A - 改良されたフォルステライト被膜特性を有する方向性珪素鋼の製造方法 - Google Patents
改良されたフォルステライト被膜特性を有する方向性珪素鋼の製造方法 Download PDFInfo
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
- C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
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- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot rolling
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
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- C—CHEMISTRY; METALLURGY
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1288—Application of a tension-inducing coating
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- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- 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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- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
- H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
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Abstract
Description
この出願の発明に関連する先行技術文献情報としては、以下のものがある(国際出願日以降国際段階で引用された文献及び他国に国内移行した際に引用された文献を含む)。
(先行技術文献)
(特許文献)
(特許文献1) 特開2000−355717号公報
(特許文献2) 欧州特許出願公開第0987343号明細書
(特許文献3) 欧州特許出願公開第1227163号明細書
(特許文献4) 欧州特許出願公開第0743370号明細書
(特許文献5) 国際公開第02/090603号
(特許文献6) 米国特許第5,421,911号明細書
(特許文献7) 米国特許第5,702,539号明細書
(特許文献8) 米国特許第7,887,645号明細書
(特許文献9) 米国特許出願公開第2013/0098508号明細書
(特許文献10) 米国特許第4,456,812号明細書
(特許文献11) 米国特許第4,545,828号明細書
(特許文献12) 米国特許第4,554,029号明細書
(特許文献13) 米国特許第4,718,951号明細書
(特許文献14) 米国特許第4,882,831号明細書
(特許文献15) 米国特許第4,898,626号明細書
(特許文献16) 米国特許第4,898,627号明細書
(特許文献17) 米国特許第4,948,656号明細書
(特許文献18) 米国特許第5,018,267号明細書
(特許文献19) 米国特許第5,061,326号明細書
(特許文献20) 米国特許第5,078,080号明細書
(特許文献21) 米国特許第5,096,510号明細書
(特許文献22) 米国特許第5,116,686号明細書
(特許文献23) 米国特許第5,288,736号明細書
(特許文献24) 米国特許第6,475,304号明細書
(特許文献25) 米国特許第6,739,384号明細書
(特許文献26) 米国特許第6,749,693号明細書
(特許文献27) 米国特許第7,011,139号明細書
(特許文献28) 米国特許第7,140,417号明細書
(特許文献29) 米国特許第7,377,986号明細書
(特許文献30) 中国特許第1104507号明細書
(非特許文献)
(非特許文献1) International Search Report and Written Opinion dated 11−26−2014 for Application No.PCT/US2014/052731.
(非特許文献2) Taiwanese Office Action dated 08−27−2014 for Application No.TW 103129599,11 pgs.
Claims (9)
- 少なくとも1つの表面を有する電磁鋼板であって、前記電磁鋼板は、脱炭焼鈍後かつ高温焼鈍前に測定されたとき、前記少なくとも1つの表面から約0.5〜2.5μmの深さで定義される領域中の少なくとも1つの点において約0.7重量%以上の濃度のクロミウムを有する、電磁鋼板。
- 請求項1記載の電磁鋼板であって、さらに、前記少なくとも1つの表面上にフォルステライト被膜を有し、前記フォルステライト被膜は、前記少なくとも1つの表面から約2〜3μmの深さで定義される領域中の少なくとも1つの点において約7.0重量%以上の濃度の酸素を有する、電磁鋼板。
- 電磁鋼板であって、その少なくとも1つの表面にフォルステライト被膜及び二次被膜を有し、前記電磁鋼帯は約0.45重量%以上の濃度のクロミウムを有し、前記フォルステライト被膜及び前記二次被膜が被膜接着力試験の後に実質的に全く剥離欠損を示さないものである、電磁鋼板。
- 請求項3記載の電磁鋼板において、前記クロミウム含有量が、約0.45重量%〜約2.0重量%である、電磁鋼板。
- 請求項3記載の電磁鋼板において、前記クロミウム含有量が、約0.7重量%以上である、電磁鋼板。
- 請求項5記載の電磁鋼板において、前記クロミウム含有量が、約0.7重量%〜約2.0重量%である、電磁鋼板。
- 請求項3記載の電磁鋼板において、前記クロミウム含有量が、約1.2重量%以上である、電磁鋼板。
- 請求項7記載の電磁鋼板において、前記クロミウム含有量が、約1.2重量%〜約2.0重量%である、電磁鋼板。
- 少なくとも1つの表面を有する電磁鋼板であって、前記電磁鋼板は、前記少なくとも1つの表面から2.5μm以下の深さによって定義される表面領域と、前記少なくとも1つの表面から2.5μm超の深さによって定義されるバルク領域とを有し、脱炭焼鈍後かつ高温焼鈍前に測定されたとき、前記表面領域のクロミウム濃度が前記バルク領域のクロミウム濃度よりも高いものである、電磁鋼板。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201361870332P | 2013-08-27 | 2013-08-27 | |
US61/870,332 | 2013-08-27 | ||
PCT/US2014/052731 WO2015031377A1 (en) | 2013-08-27 | 2014-08-26 | Grain oriented electrical steel with improved forsterite coating characteristics |
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JP2018089858A Division JP6995010B2 (ja) | 2013-08-27 | 2018-05-08 | 改良されたフォルステライト被膜特性を有する方向性珪素鋼の製造方法 |
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JP2018089858A Active JP6995010B2 (ja) | 2013-08-27 | 2018-05-08 | 改良されたフォルステライト被膜特性を有する方向性珪素鋼の製造方法 |
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US (2) | US9881720B2 (ja) |
EP (1) | EP3039164B1 (ja) |
JP (2) | JP6556135B2 (ja) |
KR (1) | KR101930705B1 (ja) |
CN (2) | CN109321726A (ja) |
CA (1) | CA2920750C (ja) |
MX (1) | MX2016002484A (ja) |
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JP2019163519A (ja) * | 2018-03-20 | 2019-09-26 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
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KR101693516B1 (ko) * | 2014-12-24 | 2017-01-06 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
WO2018110676A1 (ja) * | 2016-12-14 | 2018-06-21 | Jfeスチール株式会社 | 方向性電磁鋼板およびその製造方法 |
CN111100978B (zh) * | 2019-11-18 | 2021-09-21 | 武汉钢铁有限公司 | 一种能提高涂层附着性能的取向硅钢及其制备方法 |
US20230212720A1 (en) | 2021-12-30 | 2023-07-06 | Cleveland-Cliffs Steel Properties Inc. | Method for the production of high permeability grain oriented electrical steel containing chromium |
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JP7106910B2 (ja) | 2018-03-20 | 2022-07-27 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
Also Published As
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TWI615485B (zh) | 2018-02-21 |
US11942247B2 (en) | 2024-03-26 |
KR20160048151A (ko) | 2016-05-03 |
WO2015031377A9 (en) | 2015-10-29 |
JP6556135B2 (ja) | 2019-08-07 |
EP3039164B1 (en) | 2024-06-26 |
CA2920750C (en) | 2018-06-26 |
US9881720B2 (en) | 2018-01-30 |
CN105492634B (zh) | 2018-12-14 |
WO2015031377A1 (en) | 2015-03-05 |
MX2016002484A (es) | 2016-05-31 |
EP3039164A1 (en) | 2016-07-06 |
KR101930705B1 (ko) | 2018-12-19 |
TW201514322A (zh) | 2015-04-16 |
CN105492634A (zh) | 2016-04-13 |
RU2016111134A (ru) | 2017-10-03 |
US20180137958A1 (en) | 2018-05-17 |
CA2920750A1 (en) | 2015-03-05 |
JP6995010B2 (ja) | 2022-01-14 |
US20150064481A1 (en) | 2015-03-05 |
JP2018188733A (ja) | 2018-11-29 |
CN109321726A (zh) | 2019-02-12 |
RU2643755C2 (ru) | 2018-02-05 |
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