JPWO2009104521A1 - 低鉄損一方向性電磁鋼板及びその製造方法 - Google Patents
低鉄損一方向性電磁鋼板及びその製造方法 Download PDFInfo
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- JPWO2009104521A1 JPWO2009104521A1 JP2009554286A JP2009554286A JPWO2009104521A1 JP WO2009104521 A1 JPWO2009104521 A1 JP WO2009104521A1 JP 2009554286 A JP2009554286 A JP 2009554286A JP 2009554286 A JP2009554286 A JP 2009554286A JP WO2009104521 A1 JPWO2009104521 A1 JP WO2009104521A1
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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
- H01F1/16—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 in the form of sheets
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- 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 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
- C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
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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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
- H01F41/024—Manufacturing of magnetic circuits made from deformed sheets
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/38—Heating by cathodic discharges
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- 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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
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- 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
- C21D2221/00—Treating localised areas of an article
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- 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 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
- C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
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- 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 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
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- Crystallography & Structural Chemistry (AREA)
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- Dispersion Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
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Abstract
Description
次に、本発明者らが実際に行った、本発明の効果を確認するための第1の実験について説明する。第1の実験では、先ず、Siを約3質量%含有し、残部がFe及び不純物からなり、厚さが0.23mmの一方向性電磁鋼板を作製した。その後、一方向性電磁鋼板の表面に、レジストを塗布し、湿式エッチングにより、表1に示す形状の溝を形成した。次いで、溝の近傍に、照射エネルギUa及び照射位置を調整しながらYAGパルスレーザ光を照射して、表2に示す引張応力を付与した。下記表2に示すように、照射エネルギは0.2mJ/mm2〜2.5mJ/mm2とし、照射位置は溝の側面から15μm〜350μmとした。そして、各一方向性電磁鋼板の鉄損W17/50を測定した。なお、表2中の引張応力の最大値は、上述のように、X線回折法により結晶格子の歪みを測定し、弾性率等の物性値を用いた変換により得られた値である。また、鉄損の値は、単板磁気装置を用いて測定した、周波数が50Hz、磁束密度が1.7Tの時の値である。
次に、本発明者らが実際に行った、本発明の効果を確認するための第2の実験について説明する。第2の実験では、先ず、Siを約3質量%含有し、残部がFe及び不純物からなり、厚さが0.23mmの一方向性電磁鋼板を作製した。その後、一方向性電磁鋼板の表面に、歯車を用いた加工又はプレス加工により、表3に示す形状の溝を形成した。次いで、800℃、2時間の歪み取り焼鈍を行った。そして、溝の側面から80μmの範囲の領域にYAGパルスレーザを照射して、表4に示す引張応力を付与した。また、比較のために、歯車を用いた加工又はプレス加工による溝の形成後に、歪み取り焼鈍を行っただけの一方向性電磁鋼板も作製した。そして、各一方向性電磁鋼板の鉄損W17/50を測定した。なお、表4中の引張応力の最大値は、上述のように、X線回折法により結晶格子の歪みを測定し、弾性率等の物性値を用いた変換により得られた値である。また、鉄損の値は、単板磁気装置を用いて測定した、周波数が50Hz、磁束密度が1.7Tの時の値である。
Claims (8)
- 鋼板の表面又は裏面の少なくとも一方に、幅が10μm〜200μm、深さが10μm〜30μmの溝が1mm〜10mmの間隔で存在し、
前記溝が延びる方向と鋼板の圧延方向とのなす角度が60度〜120度であり、
前記溝の側面から10μm〜300μmの範囲内に最大値が20MPa〜300MPaの引張応力が圧延方向に作用していることを特徴とする一方向性電磁鋼板。 - 前記引張応力はレーザ光の照射により付与されていることを特徴とする請求項1に記載の一方向性電磁鋼板。
- 鋼板の表面又は裏面の少なくとも一方に、幅が10μm〜200μm、深さが10μm〜30μmの溝が1mm〜10mmの間隔で存在し、前記溝が延びる方向と鋼板の圧延方向とのなす角度が60度〜120度である鋼板を得る工程と、
前記鋼板の前記溝が形成されている面にレーザ光を照射して、前記溝の側面から10μm〜300μmの範囲内に最大値が20MPa〜300MPaの引張応力が圧延方向に作用させる工程と、
を有することを特徴とする一方向性電磁鋼板の製造方法。 - 前記レーザ光を、前記溝の側面から300μmまでの範囲内に照射することを特徴とする請求項3に記載の一方向性電磁鋼板の製造方法。
- 前記レーザ光を、前記鋼板の表面に溝が形成されない程度に照射することを特徴とする請求項3に記載の一方向性電磁鋼板の製造方法。
- 前記レーザ光を、前記鋼板の表面に溝が形成されない程度に照射することを特徴とする請求項4に記載の一方向性電磁鋼板の製造方法。
- 前記レーザ光を、6mJ/mm2以下の照射エネルギで照射することを特徴とする請求項5に記載の一方向性電磁鋼板の製造方法。
- 前記レーザ光を、6mJ/mm2以下の照射エネルギで照射することを特徴とする請求項6に記載の一方向性電磁鋼板の製造方法。
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JP2008037541 | 2008-02-19 | ||
JP2008037541 | 2008-02-19 | ||
PCT/JP2009/052414 WO2009104521A1 (ja) | 2008-02-19 | 2009-02-13 | 低鉄損一方向性電磁鋼板及びその製造方法 |
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JP4593678B2 JP4593678B2 (ja) | 2010-12-08 |
JPWO2009104521A1 true JPWO2009104521A1 (ja) | 2011-06-23 |
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Country Status (5)
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US (1) | US8034196B2 (ja) |
JP (1) | JP4593678B2 (ja) |
KR (1) | KR101234452B1 (ja) |
CN (1) | CN101946017B (ja) |
WO (1) | WO2009104521A1 (ja) |
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US9139886B2 (en) | 2010-04-01 | 2015-09-22 | Nippon Steel & Sumitomo Metal Corporation | Grain-oriented electrical steel sheet and method for producing same |
WO2012017695A1 (ja) * | 2010-08-06 | 2012-02-09 | Jfeスチール株式会社 | 方向性電磁鋼板 |
US9240266B2 (en) | 2010-08-06 | 2016-01-19 | Jfe Steel Corporation | Grain oriented electrical steel sheet |
TWI417394B (zh) * | 2010-09-09 | 2013-12-01 | Nippon Steel & Sumitomo Metal Corp | 方向性電磁鋼板及其製造方法 |
FR2965921B1 (fr) * | 2010-10-11 | 2012-12-14 | Commissariat Energie Atomique | Procede de mesure de l'orientation et de la deformation elastique de grains dans des materiaux multicristallins |
CN101979676B (zh) * | 2010-11-26 | 2012-02-08 | 武汉钢铁(集团)公司 | 通过激光刻痕改善取向硅钢磁性能的方法 |
US10793929B2 (en) | 2013-07-24 | 2020-10-06 | Posco | Grain-oriented electrical steel sheet and method for manufacturing same |
RU2529260C1 (ru) * | 2013-09-10 | 2014-09-27 | Олег Иванович Квасенков | Способ производства фруктового соуса |
RU2569260C2 (ru) * | 2014-04-08 | 2015-11-20 | Владимир Иванович Пудов | Способ изготовления анизотропной электротехнической стали |
WO2015170755A1 (ja) * | 2014-05-09 | 2015-11-12 | 新日鐵住金株式会社 | 低鉄損で低磁歪の方向性電磁鋼板 |
KR101881708B1 (ko) * | 2014-07-03 | 2018-07-24 | 신닛테츠스미킨 카부시키카이샤 | 레이저 가공 장치 |
CA2987379C (en) * | 2015-07-28 | 2019-10-29 | Jfe Steel Corporation | Linear groove formation method and linear groove formation device |
KR101884429B1 (ko) | 2016-12-22 | 2018-08-01 | 주식회사 포스코 | 방향성 전기강판 및 그 자구미세화 방법 |
KR20180112354A (ko) * | 2017-04-03 | 2018-10-12 | 삼성전기주식회사 | 자성 시트 및 이를 포함하는 무선 전력 충전 장치 |
KR102044320B1 (ko) * | 2017-12-26 | 2019-11-13 | 주식회사 포스코 | 방향성 전기강판 및 그 자구미세화 방법 |
EP3751013B1 (en) * | 2018-02-09 | 2023-03-29 | Nippon Steel Corporation | Grain oriented electrical steel sheet and production method therefor |
CN110323044B (zh) * | 2018-03-30 | 2021-02-19 | 宝山钢铁股份有限公司 | 一种耐热磁畴细化型取向硅钢及其制造方法 |
RU2685427C1 (ru) * | 2018-06-20 | 2019-04-18 | Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Автоматики Им.Н.Л.Духова" (Фгуп "Внииа") | Способ лазерной обработки неметаллических пластин |
RU2691923C1 (ru) * | 2018-10-25 | 2019-06-18 | Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Автоматики Им.Н.Л.Духова" (Фгуп "Внииа") | Способ лазерной обработки неметаллических пластин |
CN114200102B (zh) * | 2020-08-28 | 2023-11-14 | 宝山钢铁股份有限公司 | 确定与带钢电磁特性相关的物理参数的测量装置及方法 |
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JP2008127632A (ja) * | 2006-11-21 | 2008-06-05 | Nippon Steel Corp | 低鉄損一方向性電磁鋼板 |
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CN101946017B (zh) | 2013-06-05 |
CN101946017A (zh) | 2011-01-12 |
WO2009104521A1 (ja) | 2009-08-27 |
KR101234452B1 (ko) | 2013-02-18 |
US8034196B2 (en) | 2011-10-11 |
KR20100102725A (ko) | 2010-09-24 |
JP4593678B2 (ja) | 2010-12-08 |
US20100279141A1 (en) | 2010-11-04 |
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