KR20080012957A - 자기 특성이 극히 우수한 방향성 전자강판 및 그 제조 방법 - Google Patents
자기 특성이 극히 우수한 방향성 전자강판 및 그 제조 방법 Download PDFInfo
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- KR20080012957A KR20080012957A KR1020077028877A KR20077028877A KR20080012957A KR 20080012957 A KR20080012957 A KR 20080012957A KR 1020077028877 A KR1020077028877 A KR 1020077028877A KR 20077028877 A KR20077028877 A KR 20077028877A KR 20080012957 A KR20080012957 A KR 20080012957A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title abstract description 58
- 230000008569 process Effects 0.000 title abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 107
- 239000003112 inhibitor Substances 0.000 claims abstract description 76
- 238000005121 nitriding Methods 0.000 claims abstract description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000005261 decarburization Methods 0.000 claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- 238000005098 hot rolling Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 43
- 238000004519 manufacturing process Methods 0.000 claims description 42
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 claims description 33
- 238000005097 cold rolling Methods 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 29
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 17
- 238000001556 precipitation Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000006104 solid solution Substances 0.000 claims description 10
- 229910052718 tin Inorganic materials 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 229910052787 antimony Inorganic materials 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 229910052711 selenium Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 238000001953 recrystallisation Methods 0.000 abstract description 70
- 239000011164 primary particle Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000012298 atmosphere Substances 0.000 description 12
- 150000004767 nitrides Chemical class 0.000 description 12
- 239000002904 solvent Substances 0.000 description 11
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- 229910052782 aluminium Inorganic materials 0.000 description 8
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- 238000009776 industrial production Methods 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 8
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
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- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229910052839 forsterite Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
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- 229910017083 AlN Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000003339 best practice Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
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- 230000005381 magnetic domain Effects 0.000 description 1
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- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
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Abstract
Description
분류 | 슬라브 가열 온도 | 질화 | Goss 방위 집적도 | 비고 | |
제1 | 완전 고용 비질화형 | ≥1350℃ | 불가 | ○ | 종래법 |
제2 | 충분 석출 질화형 | <1280℃ | 필수 | △ | |
제3 | 부분 석출 질화형 | 1200 내지 1350℃ | 필수 | 공업화 곤란 | |
완전 고용 다질화형 | 필수 | ○ | |||
제4 | 완전 고용 소질화형 | ≥1280℃ | 필수 | ◎ | 본 발명 |
Claims (12)
- 질량%로, C: 0.025 내지 0.10%, Si: 2.5 내지 4.0%, Mn: 0.04 내지 0.15%, solAl: 0.020 내지 0.035%, N: 0.002 내지 0.007%, S와 Se를 Seq(S 당량) =S+0.406×Se로 하여 0.010 내지 0.035%, Ti≤0.007%, 잔부가 Fe 및 불가피적 불순물로 이루어지는 슬라브를 1280℃ 이상 그리고 인히비터 물질의 고용 온도 이상으로 재가열하고, 열간 압연을 실시하여 열연 강스트립으로 하고, 열연 판 소둔과 1회 또는 중간 소둔을 사이에 끼운 2회 이상의 냉간 압연, 또는 열연판 소둔을 생략하고 중간소둔을 사이에 끼운 2회 이상의 냉간 압연을 실시하고, 탈탄 소둔하고, 탈탄 소둔 후에 스트립 주행 상태 하에서 수소, 질소 및 암모니아의 혼합 가스 중에서 질화 처리를 실시하고, Mg0를 주성분으로 하는 소둔 분리제를 도포하여 마무리 소둔을 실시하는 방향성 전자강판의 제조 방법에 있어서, 열간 압연 후의 강스트립에 함유되는 N 중 AlN으로서의 석출율을 20% 이하로 하고, 탈탄 소둔 완료 후 재결정 입자의 원 상당 평균 입자 지름(직경)을 7 ㎛ 이상 20 ㎛ 미만으로 하고, 질화 처리에 있어서의 질소 증량 △N(질량%)을 식(1)의 범위 내로 하고, 또한 강판의 한쪽 표면 20% 두께 부분의 질소 함유량 σN1, σN2(각각 겉과 뒤, 질량%)를 식(2)의 범위 내로 하는 것을 특징으로 하는 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법.0.007-([N]-14/48×[Ti])≤△N≤[solAl]×14/27-([N]-14/48×[Ti])+0.0025···식(1)(식 중 []은 성분의 함유량(질량%)을 나타낸다. )│σN1-σN2│/△N≤0.35···식(2)
- 제1항에 있어서, 열연판 소둔 또는 중간 소둔 중에서 마지막 소둔(이하, 최종 냉간 압연전 소둔으로 한다)의 최고 온도 T1(℃), solAl, N, Ti 함유량으로부터 식(3)으로 규정되는 AlNR에 의하여, 최종 냉간 압연전 소둔의 온도 T1(℃)를 950℃ 이상, 그리고 식(4)에 나타내는 범위로 하는 것을 특징으로 하는 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법.AlNR=[solAl]-27/14×[N]+27/48×[Ti]···식(3)3850/3-4/3×AlNR×10000≤T1(℃)≤4370/3-4/3×AlNR×10000···식(4)
- 제2항에 있어서, 최종 냉간 압연 전 소둔의 온도를 1 단계로 하고, 그 온도를 상기 식(4)에 나타내는 T1(℃)의 범위에서 20 내지 360초간으로 하는 것을 특징으로 하는 자기 특성이 우수한 방향성 전자강판의 제조 방법.
- 제2항 또는 제3항에 있어서, 최종 냉간 압연전 소둔의 온도를 2 단계로 하고, 1단째는 온도를 상기 식(4)에 나타내는 T1(℃)의 범위에서 5 내지 120 초간, 2단째는 온도를 850 내지 1000℃의 범위에서 10초 내지 240초간으로 하는 것을 특징으로 하는 자기 특성이 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 최종 냉간 압연전 소둔의 냉각에 있어서 700℃ 내지 300℃의 냉각 속도를 10℃/초 이상으로 하는 것을 특징으로 하는 자기 특성이 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제5항 중 어느 하나의 항에 있어서, 슬라브의 성분이 추가적으로 Cu를 질량%로 0.05 내지 0.30% 함유하는 것을 특징으로 하는 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제6항 중 어느 하나의 항에 있어서, 슬라브의 성분이 추가적으로 Sn, Sb, P의 적어도 1종을 질량%의 합계로 0.02 내지 0.30% 함유하는 것을 특징으로 하는 자기 특성이 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제7항 중 어느 하나의 항에 있어서, 슬라브의 성분이 추가적으로 Cr을 질량%로 0.02 내지 0.30% 함유하는 것을 특징으로 하는 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제8 중 어느 하나의 항에 있어서, 최종의 냉간 압연에 있어서의 압연율을 80 내지 92%로 하는 것을 특징으로 하는 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제9항 중 어느 하나의 항에 있어서, 최종 냉간 압연이 적어도 1 패스에 대하여, 강스트립을 100 내지 300℃의 온도 범위로 1분 이상 유지하는 것을 특징으로 하는 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제10항 중 어느 하나의 항에 있어서, 탈탄 소둔에 있어서의 승온 개시로부터 650℃까지의 가열 속도를 100℃/초 이상으로 하는 것을 특징으로 하는 자기 특성이 극히 우수한 방향성 전자강판의 제조 방법.
- 제1항 내지 제11항 중 어느 하나의 항에 기재된 제조 방법으로 얻은, 압연 방향의 자속 밀도 B8(800 A/m로의 자속밀도)가 1.92 T 이상인 것을 특징으로 하는 방향성 전자강판.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101309410B1 (ko) * | 2008-09-10 | 2013-09-23 | 신닛테츠스미킨 카부시키카이샤 | 방향성 전자기 강판의 제조 방법 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008261022A (ja) * | 2007-04-13 | 2008-10-30 | Nippon Steel Corp | 方向性電磁鋼板脱炭焼鈍板及びその製造方法 |
JP4673937B2 (ja) * | 2009-04-06 | 2011-04-20 | 新日本製鐵株式会社 | 方向性電磁鋼板用鋼の処理方法及び方向性電磁鋼板の製造方法 |
JP5332946B2 (ja) * | 2009-06-25 | 2013-11-06 | 新日鐵住金株式会社 | 窒化型方向性電磁鋼板の窒化後のコイル巻き取り方法 |
JP5684481B2 (ja) * | 2010-02-15 | 2015-03-11 | 新日鐵住金株式会社 | 方向性電磁鋼板の製造方法 |
KR101389248B1 (ko) * | 2010-02-18 | 2014-04-24 | 신닛테츠스미킨 카부시키카이샤 | 방향성 전자기 강판의 제조 방법 |
JP5402722B2 (ja) * | 2010-03-02 | 2014-01-29 | 新日鐵住金株式会社 | 方向性電磁鋼板の製造における鋼板の窒化方法 |
JP5712491B2 (ja) * | 2010-03-12 | 2015-05-07 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
JP5593942B2 (ja) * | 2010-08-06 | 2014-09-24 | 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 |
RU2476606C2 (ru) * | 2010-10-28 | 2013-02-27 | Государственное образовательное учреждение высшего профессионального образования Липецкий государственный технический университет (ЛГТУ) | Способ получения изотропной электротехнической стали |
JP5360272B2 (ja) | 2011-08-18 | 2013-12-04 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
JP5434999B2 (ja) * | 2011-09-16 | 2014-03-05 | Jfeスチール株式会社 | 鉄損特性に優れる方向性電磁鋼板の製造方法 |
DE102011054004A1 (de) * | 2011-09-28 | 2013-03-28 | Thyssenkrupp Electrical Steel Gmbh | Verfahren zum Herstellen eines kornorientierten, für elektrotechnische Anwendungen bestimmten Elektrobands oder -blechs |
JP5610084B2 (ja) | 2011-10-20 | 2014-10-22 | 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 |
JP5871137B2 (ja) * | 2012-12-12 | 2016-03-01 | Jfeスチール株式会社 | 方向性電磁鋼板 |
KR101683693B1 (ko) * | 2013-02-27 | 2016-12-07 | 제이에프이 스틸 가부시키가이샤 | 방향성 전자 강판의 제조 방법 |
JP6156646B2 (ja) | 2013-10-30 | 2017-07-05 | Jfeスチール株式会社 | 磁気特性および被膜密着性に優れる方向性電磁鋼板 |
BR112017003450B1 (pt) | 2014-09-01 | 2021-06-22 | Nippon Steel Corporation | Chapa de aço elétrico com grão orientado e método de produção da referida chapa |
JP6354957B2 (ja) * | 2015-07-08 | 2018-07-11 | Jfeスチール株式会社 | 方向性電磁鋼板とその製造方法 |
EP3385397B1 (en) * | 2015-12-04 | 2024-04-10 | JFE Steel Corporation | Method for manufacturing grain-oriented electromagnetic steel sheet |
KR101751526B1 (ko) * | 2015-12-21 | 2017-06-27 | 주식회사 포스코 | 방향성 전기강판의 제조방법 |
WO2017145907A1 (ja) * | 2016-02-22 | 2017-08-31 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
US11566302B2 (en) * | 2016-12-14 | 2023-01-31 | Jfe Steel Corporation | Grain-oriented electrical steel sheet and method for manufacturing same |
JP6946847B2 (ja) * | 2017-08-17 | 2021-10-13 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
JP6946846B2 (ja) * | 2017-08-17 | 2021-10-13 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
WO2019182004A1 (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および方向性電磁鋼板 |
US11421297B2 (en) * | 2018-03-23 | 2022-08-23 | Nippon Steel Corporation | Non-oriented electrical steel sheet |
CN108642245B (zh) * | 2018-05-29 | 2020-02-18 | 武汉钢铁有限公司 | 一种提高高温高磁感取向硅钢附着性的方法 |
JP7338511B2 (ja) * | 2020-03-03 | 2023-09-05 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5956522A (ja) | 1982-09-24 | 1984-04-02 | Nippon Steel Corp | 鉄損の良い一方向性電磁鋼板の製造方法 |
JPS60177131A (ja) | 1984-02-23 | 1985-09-11 | Nippon Steel Corp | 磁気特性の優れた高磁束密度一方向性電磁鋼板の製造方法 |
US4898626A (en) | 1988-03-25 | 1990-02-06 | Armco Advanced Materials Corporation | Ultra-rapid heat treatment of grain oriented electrical steel |
JPH0717961B2 (ja) | 1988-04-25 | 1995-03-01 | 新日本製鐵株式会社 | 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法 |
JPH0832929B2 (ja) | 1989-01-07 | 1996-03-29 | 新日本製鐵株式会社 | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JP2620438B2 (ja) * | 1991-10-28 | 1997-06-11 | 新日本製鐵株式会社 | 磁束密度の高い一方向性電磁鋼板の製造方法 |
KR960010811B1 (ko) * | 1992-04-16 | 1996-08-09 | 신니뽄세이데스 가부시끼가이샤 | 자성이 우수한 입자배향 전기 강 시트의 제조방법 |
JP2607331B2 (ja) | 1992-04-23 | 1997-05-07 | 新日本製鐵株式会社 | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH07113120A (ja) * | 1993-10-13 | 1995-05-02 | Nippon Steel Corp | 鉄損の低い高磁束密度一方向性電磁鋼板の製造方法 |
JPH07252532A (ja) | 1994-03-16 | 1995-10-03 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH07305116A (ja) | 1994-05-06 | 1995-11-21 | Nippon Steel Corp | 高磁束密度一方向性電磁鋼板の製造方法 |
JP3240035B2 (ja) * | 1994-07-22 | 2001-12-17 | 川崎製鉄株式会社 | コイル全長にわたり磁気特性に優れた方向性けい素鋼板の製造方法 |
JPH08225843A (ja) * | 1995-02-15 | 1996-09-03 | Nippon Steel Corp | 方向性珪素鋼板の製造方法 |
JPH08253815A (ja) * | 1995-03-15 | 1996-10-01 | Nippon Steel Corp | 超高磁束密度一方向性電磁鋼板の製造方法 |
JPH08255843A (ja) * | 1995-03-15 | 1996-10-01 | Sony Corp | 半導体rom装置及びそのデータ書き込み方法 |
JP3056970B2 (ja) * | 1995-04-07 | 2000-06-26 | 新日本製鐵株式会社 | 磁気特性が優れた一方向性電磁鋼板の製造方法 |
US5643370A (en) | 1995-05-16 | 1997-07-01 | Armco Inc. | Grain oriented electrical steel having high volume resistivity and method for producing same |
JP3368409B2 (ja) * | 1995-09-12 | 2003-01-20 | 新日本製鐵株式会社 | 低鉄損一方向性電磁鋼板の製造方法 |
JPH09118920A (ja) * | 1995-10-25 | 1997-05-06 | Nippon Steel Corp | 磁気特性が優れた一方向性電磁鋼板の安定製造方法 |
JP4200526B2 (ja) * | 1996-04-03 | 2008-12-24 | Jfeスチール株式会社 | 一方向性けい素鋼板の製造方法 |
JPH10110218A (ja) * | 1996-10-04 | 1998-04-28 | Kawasaki Steel Corp | 磁気特性に優れる方向性電磁鋼板の製造方法 |
FR2761081B1 (fr) * | 1997-03-21 | 1999-04-30 | Usinor | Procede de fabrication d'une tole d'acier electrique a grains orientes pour la fabrication notamment de circuits magnetiques de transformateurs |
JP3481491B2 (ja) | 1998-03-30 | 2003-12-22 | 新日本製鐵株式会社 | 磁気特性に優れた一方向性電磁鋼板の製造方法 |
JP3488181B2 (ja) | 1999-09-09 | 2004-01-19 | 新日本製鐵株式会社 | 磁気特性に優れた一方向性電磁鋼板の製造方法 |
EP1162280B1 (en) * | 2000-06-05 | 2013-08-07 | Nippon Steel & Sumitomo Metal Corporation | Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties |
JP4203238B2 (ja) * | 2001-12-03 | 2008-12-24 | 新日本製鐵株式会社 | 一方向性電磁鋼板の製造方法 |
JP4288054B2 (ja) * | 2002-01-08 | 2009-07-01 | 新日本製鐵株式会社 | 方向性珪素鋼板の製造方法 |
JP4598702B2 (ja) * | 2006-03-23 | 2010-12-15 | 新日本製鐵株式会社 | 磁気特性が優れた高Si含有方向性電磁鋼板の製造方法 |
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