JP2016532776A - 方向性電磁鋼板およびその製造方法 - Google Patents
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- C21D6/008—Heat treatment of ferrous alloys containing Si
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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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a localised treatment
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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
- C21D8/1244—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
- C21D8/1272—Final recrystallisation annealing
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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
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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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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- 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
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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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
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
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Abstract
Description
20:グルーブ(groove)
30:連続したグルーブの一部
40:飛散合金層
Claims (19)
- 表面にグルーブを形成して磁区微細化処理を施すが、
前記グルーブの飛散合金層は、再結晶焼鈍過程でゴス集合組織に浸食された、方向性電磁鋼板。 - 前記グルーブの底面における飛散合金層の厚さをTB、前記グルーブのいずれか一方の終端と前記グルーブの底面とのなす距離の1/2地点における飛散合金層の厚さをTLと定義した時、前記TB/TLは、0.2〜0.8である、請求項1に記載の方向性電磁鋼板。
- 前記飛散合金層の厚さは、グルーブ深さの4%〜12%である、請求項2に記載の方向性電磁鋼板。
- 前記グルーブ深さは、電磁鋼板の厚さの4%〜11%である、請求項3に記載の方向性電磁鋼板。
- 前記グルーブは、電磁鋼板の幅方向に対して斜線で形成された、請求項4に記載の方向性電磁鋼板。
- 前記グルーブは、電磁鋼板の幅方向に対して0°を超え5°以下で形成された、請求項5に記載の方向性電磁鋼板。
- 前記グルーブは、電磁鋼板の幅方向に断続的に3個〜6個形成された、請求項6に記載の方向性電磁鋼板。
- 一次再結晶形成前または一次再結晶形成後の電磁鋼板を提供する段階と、
前記電磁鋼板にレーザを照射すると同時にガスを噴射して、電磁鋼板の表面にグルーブを形成する段階とを含むが、
前記照射されるレーザのエネルギー密度(Ed)およびレーザの走査速度(Vs)は、下記の条件を満足する、方向性電磁鋼板の製造方法。
1.0J/mm2≦Ed≦5.0J/mm2、
0.0518mm/μsec≦Vs≦0.2mm/μsec - 前記噴射されるガスの圧力は、0.2kg/cm2〜5.0kg/cm2である、請求項7に記載の方向性電磁鋼板の製造方法。
- 前記ガスの噴射方向とレーザ照射方向とのなす角度は、0°〜50°である、請求項9に記載の方向性電磁鋼板の製造方法(この時、ガスの噴射方向とレーザ照射方向とのなす角度が0°であるとは、ガスの噴射方向とレーザ照射方向とが平行であることを意味する。)。
- 前記レーザを照射する段階において、前記電磁鋼板の幅方向に対して0°を超え5°以下の角度でレーザビームを前記電磁鋼板の表面に照射する、請求項10に記載の方向性電磁鋼板の製造方法。
- 前記レーザを照射する段階において、電磁鋼板の進行速度(VL)は、少なくとも0.9m/sである、請求項11に記載の方向性電磁鋼板の製造方法。
- 前記レーザを照射する段階において、
前記レーザの集光形状は、電磁鋼板の幅方向のビーム長さをdt、電磁鋼板の圧延方向のビーム長さをLとした時、下記の条件を満足する、請求項12に記載の方向性電磁鋼板の製造方法。
0.20≦L/dt≦1.0 - 前記dtは、50μm以下である、請求項13に記載の方向性電磁鋼板の製造方法。
- 前記レーザを照射する段階において、
前記レーザの照射による電磁鋼板の溶融部が飛散および再凝固する飛散合金層が生成され、前記グルーブの底面における飛散合金層の厚さをTB、前記グルーブのいずれか一方の終端と前記グルーブの底面とのなす距離の1/2地点における飛散合金層の厚さをTLと定義した時、前記TB/TLは、0.2〜0.8である、請求項14に記載の方向性電磁鋼板の製造方法。 - 前記飛散合金層の厚さは、グルーブ深さの4%〜12%である、請求項15に記載の方向性電磁鋼板の製造方法。
- 前記レーザを照射する段階において、
前記レーザは、電磁鋼板の幅方向に対して斜線で照射される、請求項16に記載の方向性電磁鋼板の製造方法。 - 前記レーザを照射する段階において、
前記レーザは、電磁鋼板の幅方向に対して0°を超え5°以下で照射する、請求項17に記載の方向性電磁鋼板の製造方法。 - 前記レーザを照射する段階において、
前記グルーブは、前記電磁鋼板の幅方向に断続的に3〜6個形成する、請求項18に記載の方向性電磁鋼板の製造方法。
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PCT/KR2014/006638 WO2015012562A1 (ko) | 2013-07-24 | 2014-07-22 | 방향성 전기강판 및 그 제조방법 |
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US (1) | US10793929B2 (ja) |
EP (1) | EP3025797B1 (ja) |
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KR (2) | KR20150012205A (ja) |
CN (1) | CN105451902B (ja) |
PL (1) | PL3025797T3 (ja) |
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Cited By (8)
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WO2019151397A1 (ja) * | 2018-01-31 | 2019-08-08 | 日本製鉄株式会社 | 方向性電磁鋼板 |
JP2020509215A (ja) * | 2016-12-22 | 2020-03-26 | ポスコPosco | 方向性電磁鋼板およびその磁区微細化方法 |
KR20200103096A (ko) | 2018-02-09 | 2020-09-01 | 닛폰세이테츠 가부시키가이샤 | 방향성 전자 강판 및 그 제조 방법 |
JP2021509152A (ja) * | 2017-12-26 | 2021-03-18 | ポスコPosco | 方向性電磁鋼板およびその磁区微細化方法 |
JP2022514795A (ja) * | 2018-12-19 | 2022-02-15 | ポスコ | 方向性電磁鋼板およびその製造方法 |
JP2022514792A (ja) * | 2018-12-19 | 2022-02-15 | ポスコ | 方向性電磁鋼板およびその製造方法 |
WO2022153605A1 (ja) * | 2021-01-18 | 2022-07-21 | 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 |
JP2023507438A (ja) * | 2019-12-20 | 2023-02-22 | ポスコホールディングス インコーポレーティッド | 方向性電磁鋼板およびその磁区微細化方法 |
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CN106282512B (zh) * | 2015-05-11 | 2018-03-30 | 宝山钢铁股份有限公司 | 低噪音变压器用取向硅钢片制造方法 |
CN105463172A (zh) * | 2015-12-14 | 2016-04-06 | 武汉钢铁(集团)公司 | 通过激光刻痕取向硅钢冷轧板改善硅钢片磁性能的方法 |
KR102466499B1 (ko) * | 2015-12-22 | 2022-11-10 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
KR101751525B1 (ko) * | 2015-12-24 | 2017-07-11 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조 방법 |
EP3751014B1 (en) * | 2018-02-08 | 2023-08-02 | Nippon Steel Corporation | Grain-oriented electrical steel sheet |
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 |
KR102091631B1 (ko) * | 2018-08-28 | 2020-03-20 | 주식회사 포스코 | 방향성 전기강판 및 그 자구미세화 방법 |
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Also Published As
Publication number | Publication date |
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EP3025797A4 (en) | 2017-02-08 |
SG11201600558VA (en) | 2016-02-26 |
JP6405378B2 (ja) | 2018-10-17 |
TR201808211T4 (tr) | 2018-07-23 |
PL3025797T3 (pl) | 2018-09-28 |
KR20210052420A (ko) | 2021-05-10 |
EP3025797B1 (en) | 2018-03-14 |
EP3025797A1 (en) | 2016-06-01 |
CN105451902B (zh) | 2018-08-24 |
WO2015012562A1 (ko) | 2015-01-29 |
CN105451902A (zh) | 2016-03-30 |
WO2015012562A8 (ko) | 2015-04-16 |
KR20150012205A (ko) | 2015-02-03 |
US20160177413A1 (en) | 2016-06-23 |
KR102288802B1 (ko) | 2021-08-11 |
US10793929B2 (en) | 2020-10-06 |
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