JPWO2017130980A1 - 方向性電磁鋼板およびその製造方法 - Google Patents
方向性電磁鋼板およびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 229910000976 Electrical steel Inorganic materials 0.000 title 1
- 238000010894 electron beam technology Methods 0.000 claims abstract description 59
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 claims abstract description 29
- 230000004907 flux Effects 0.000 claims abstract description 21
- 230000005381 magnetic domain Effects 0.000 claims abstract description 19
- 238000000137 annealing Methods 0.000 claims description 27
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 19
- 230000001133 acceleration Effects 0.000 claims description 15
- 239000010960 cold rolled steel Substances 0.000 claims description 6
- 238000005261 decarburization Methods 0.000 claims description 5
- 238000005097 cold rolling Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 55
- 229910052742 iron Inorganic materials 0.000 abstract description 26
- 238000009826 distribution Methods 0.000 description 19
- 238000005096 rolling process Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 230000005415 magnetization Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000013467 fragmentation Methods 0.000 description 5
- 238000006062 fragmentation reaction Methods 0.000 description 5
- 229910052839 forsterite Inorganic materials 0.000 description 4
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001463 metal phosphate Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- H—ELECTRICITY
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- 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
- H01F1/18—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 with insulating coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B23K15/00—Electron-beam welding or cutting
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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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
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- 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
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- 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
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- C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
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Abstract
Description
1.電子ビーム照射による細分化磁区を有する方向性電磁鋼板であって、
最大磁束密度が1.7Tである場合に、
前記電子ビーム照射前の0.1から0.7倍の残留磁束密度と、
前記電子ビーム照射前の1.1から2.0倍の最大磁化力とを有する、方向性電磁鋼板。
該熱延鋼板に熱延板焼鈍を施し、
該熱延板焼鈍後の熱延鋼板に、1回または中間焼鈍をはさむ2回以上の冷間圧延を施して最終板厚を有する冷延鋼板とし、
該冷延鋼板に脱炭焼鈍を施し、
該脱炭焼鈍後の冷延鋼板表面にMgOを含む焼鈍分離剤を塗布した後に仕上焼鈍を施す方向性電磁鋼板の製造方法であって、
前記仕上げ焼鈍後の鋼板に、電子ビームの照射による磁区細分化処理を施し、
前記磁区細分化処理は、前記電子ビームの走査方向と直交する方向のビーム径が220μm以下、かつ走査方向のビーム最大強度に対して直交する方向のビーム最大強度比が0.7以上1.3以下にて行う、方向性電磁鋼板の製造方法。
C:0.055質量%、Si:3.05質量%、Mn:0.08質量%、Ni:0.02質量%、Al:190質量ppm、N:65質量ppm、Se:150質量ppm、S:10質量ppmおよびO:15質量ppmを含有し、残部は実質的にFeの組成となる鋼スラブを、連続鋳造にて製造し、1450℃に加熱後、熱間圧延により板厚:2.4 mmの熱延板としたのち、1025℃で300秒の熱延板焼鈍を施した。ついで、冷間圧延により中間板厚:0.60mmとし、酸化度PH2O/PH2=0.35、温度:950℃、時間:100秒の条件で中間焼鈍を実施した。その後、塩酸酸洗により表面のサブスケールを除去したのち、再度、冷間圧延を実施して、板厚:0.30mmの冷延板とした。
Claims (5)
- 電子ビーム照射による細分化磁区を有する方向性電磁鋼板であって、
最大磁束密度が1.7Tである場合に、前記電子ビーム照射前の0.1から0.7倍の残留磁束密度と、前記電子ビーム照射前の1.1から2.0倍の最大磁化力とを有する、方向性電磁鋼板。 - 鋼スラブに熱間圧延を施して熱延鋼板とし、
該熱延鋼板に熱延板焼鈍を施し、
該熱延板焼鈍後の熱延鋼板に、1回または中間焼鈍をはさむ2回以上の冷間圧延を施して最終板厚を有する冷延鋼板とし、
該冷延鋼板に脱炭焼鈍を施し、
該脱炭焼鈍後の冷延鋼板表面にMgOを含む焼鈍分離剤を塗布した後に仕上焼鈍を施す方向性電磁鋼板の製造方法であって、
前記仕上げ焼鈍後の鋼板に、電子ビームの照射による磁区細分化処理を施し、
前記磁区細分化処理は、前記電子ビームの走査方向と直交する方向のビーム径が220μm以下、かつ走査方向のビーム最大強度に対して直交する方向のビーム最大強度比が0.7以上1.3以下にて行う、方向性電磁鋼板の製造方法。 - 前記電子ビームの照射は、1以上のビーム制御コイルを使用して行うことを特徴とする、請求項2に記載の方向性電磁鋼板の製造方法。
- 前記電子ビームを加速電圧90kV以上で照射する、請求項2または3に記載の方向性電磁鋼板の製造方法。
- 前記電子ビームの照射は、スティグメーターを使用して行う、請求項3または4に記載の方向性電磁鋼板の製造方法。
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JPS60136142A (ja) * | 1983-12-26 | 1985-07-19 | Hitachi Ltd | 電子ビ−ム真円度調整装置 |
WO2013099272A1 (ja) * | 2011-12-28 | 2013-07-04 | 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 |
JP2013159850A (ja) * | 2012-02-08 | 2013-08-19 | Jfe Steel Corp | 方向性電磁鋼板およびその製造方法 |
WO2014068962A1 (ja) * | 2012-10-31 | 2014-05-08 | Jfeスチール株式会社 | 方向性電磁鋼板とその製造方法 |
JP2015161024A (ja) * | 2014-02-28 | 2015-09-07 | Jfeスチール株式会社 | 低騒音変圧器用の方向性電磁鋼板およびその製造方法 |
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WO2017130980A1 (ja) | 2017-08-03 |
CN118073061A (zh) | 2024-05-24 |
EP3409796B1 (en) | 2021-05-05 |
BR112018014008A2 (ja) | 2018-12-11 |
CA3012101A1 (en) | 2017-08-03 |
KR102163142B1 (ko) | 2020-10-08 |
US11031163B2 (en) | 2021-06-08 |
EP3409796A4 (en) | 2018-12-05 |
CN108474056A (zh) | 2018-08-31 |
EP3409796A1 (en) | 2018-12-05 |
US20190013126A1 (en) | 2019-01-10 |
KR20180102152A (ko) | 2018-09-14 |
BR112018014008B1 (pt) | 2022-12-27 |
MX2018009000A (es) | 2018-11-19 |
CA3012101C (en) | 2021-06-15 |
RU2710496C1 (ru) | 2019-12-26 |
JP6689274B2 (ja) | 2020-04-28 |
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