KR20090007763A - 자속 밀도가 높은 방향성 전자기 강판의 제조 방법 - Google Patents
자속 밀도가 높은 방향성 전자기 강판의 제조 방법 Download PDFInfo
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- KR20090007763A KR20090007763A KR1020087028481A KR20087028481A KR20090007763A KR 20090007763 A KR20090007763 A KR 20090007763A KR 1020087028481 A KR1020087028481 A KR 1020087028481A KR 20087028481 A KR20087028481 A KR 20087028481A KR 20090007763 A KR20090007763 A KR 20090007763A
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- 238000000137 annealing Methods 0.000 claims abstract description 280
- 238000010438 heat treatment Methods 0.000 claims abstract description 165
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 66
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
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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
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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
- C21D8/1255—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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- 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
- C21D8/1266—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 between cold rolling steps
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- H01F1/16—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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- 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
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
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Abstract
Description
Claims (11)
- 질량%로, Si : 0.8 내지 7%, C : 0.085% 이하, 산가용성 Al : 0.01 내지 0.065%, N : 0.012% 이하를 함유하는 규소강 소재를 1280℃ 이하의 온도로 가열한 후에 열간 압연하고, 얻어진 열연판을 어닐링하고, 이어서 1회의 냉간 압연 또는 어닐링을 개재하여 복수의 냉간 압연을 실시하여 최종 판 두께의 강판으로 하고, 그 강판을 탈탄 어닐링한 후, 어닐링 분리제를 도포하고, 마무리 어닐링을 실시하는 동시에 탈탄 어닐링부터 마무리 어닐링의 2차 재결정 개시까지의 사이에 강판의 질소량을 증가시키는 처리를 실시함으로써 이루어지는 방향성 전자기 강판의 제조 방법에 있어서,상기 열연판의 어닐링을 1000 내지 1150℃의 소정의 온도까지 가열하여 재결정시킨 후, 그보다 낮은 850 내지 1100℃의 온도에서 어닐링하는 공정으로 행함으로써 어닐링 후의 입자 조직에 있어서 라멜라 간격을 20㎛ 이상으로 제어하는 동시에,상기 최종 판 두께의 강판을 탈탄 어닐링할 때의 승온 과정에 있어서, 강판 온도가 550℃로부터 720℃에 있는 사이를 40℃/초 이상의 가열 속도로 가열하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 질량%로, Si : 0.8 내지 7%, C : 0.085% 이하, 산가용성 Al : 0.01 내지 0.065%, N : 0.012% 이하를 함유하는 규소강 소재를 1280℃ 이하의 온도로 가열 한 후에 열간 압연하고, 얻어진 열연판을 어닐링하고, 이어서 1회의 냉간 압연 또는 어닐링을 개재하여 복수의 냉간 압연을 실시하여 최종 판 두께의 강판으로 하고, 그 강판을 탈탄 어닐링한 후, 어닐링 분리제를 도포하고, 마무리 어닐링을 실시하는 동시에 탈탄 어닐링부터 마무리 어닐링의 2차 재결정 개시까지의 사이에 강판의 질소량을 증가시키는 처리를 실시함으로써 이루어지는 방향성 전자기 강판의 제조 방법에 있어서,상기 열연판의 어닐링 과정에 있어서, 탈탄 전의 강판 탄소량에 대하여 0.002 내지 0.02 질량% 탈탄함으로써 어닐링 후의 표면층 입자 조직에 있어서 라멜라 간격을 20㎛ 이상으로 제어하는 동시에,상기 최종 판 두께의 강판을 탈탄 어닐링할 때의 승온 과정에 있어서, 강판 온도가 550℃로부터 720℃에 있는 사이를 40℃/초 이상의 가열 속도로 가열하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제1항 또는 제2항에 있어서, 상기 강판을 탈탄 어닐링할 때의 승온 과정에 있어서, 강판 온도가 550℃로부터 720℃에 있는 사이를 50 내지 250℃/초의 가열 속도로 가열하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제1항 또는 제2항에 있어서, 상기 강판을 탈탄 어닐링할 때의 승온 과정에 있어서, 강판 온도가 550℃로부터 720℃에 있는 사이를 75 내지 125℃/초의 가열 속도로 가열하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 강판을 탈탄 어닐링할 때의 상기 강판 온도가 550℃로부터 720℃에 있는 사이의 가열을 유도 가열로 행하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 강판을 탈탄 어닐링할 때 그 승온 과정에 있어서 상기 가열 속도로 가열하는 온도 범위를 Ts(℃)로부터 720℃로 했을 때에, 실온으로부터 500℃ 까지의 가열 속도(H)(℃/초)에 따라 이하의 Ts(℃)부터 720℃까지의 범위로 하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.H ≤15 : Ts ≤55015 < H : Ts ≤600
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 탈탄 어닐링을 770 내지 900℃의 온도 영역에서 분위기 가스의 산화도(PH2O/PH2)가 0.15 초과 1.1 이하의 범위의 조건 하에서, 어닐링 후의 강판의 산소량이 2.3g/㎡ 이하로 되는 동시에 1차 재결정립경이 15㎛ 이상으로 되는 시간 폭으로 행하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 질소량을 증가시키는 처리를 강판의 질소량[N]이 강판의 산가용성 Al의 양[Al]에 따라 식 : [N]≥14/27[Al]을 만족하도록 행하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제8항에 있어서, 상기 강판의 질소량[N]을 강판의 산가용성 Al의 양[Al]에 따라 식 : [N]≥2/3[Al]을 만족하도록 증가시키는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 어닐링 분리제를 도포할 때 알루미나를 주성분으로 하는 어닐링 분리제를 도포하고, 마무리 어닐링을 실시하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 규소강 소재가, 또한 질량%로, Mn : 1% 이하, Cr : 0.3% 이하, Cu : 0.4% 이하, P : 0.5% 이하, Sn : 0.3% 이하, Sb : 0.3% 이하, Ni : 1% 이하, S 및 Se를 합계 0.015% 이하의 1종 또는 2종 이상을 함유하는 것을 특징으로 하는 방향성 전자기 강판의 제조 방법.
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JP2006143885 | 2006-05-24 | ||
JPJP-P-2006-00143885 | 2006-05-24 |
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KR20090007763A true KR20090007763A (ko) | 2009-01-20 |
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US (1) | US7976644B2 (ko) |
EP (2) | EP3018221B1 (ko) |
JP (1) | JP5729414B2 (ko) |
KR (1) | KR101070064B1 (ko) |
CN (1) | CN101454465B (ko) |
BR (1) | BRPI0712010B1 (ko) |
IN (1) | IN2015DN02521A (ko) |
RU (1) | RU2378394C1 (ko) |
WO (1) | WO2007136127A1 (ko) |
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KR20150015044A (ko) * | 2012-07-26 | 2015-02-09 | 제이에프이 스틸 가부시키가이샤 | 방향성 전자 강판의 제조 방법 |
KR20180072106A (ko) * | 2016-12-21 | 2018-06-29 | 주식회사 포스코 | 방향성 전기강판의 제조방법 |
KR20200004390A (ko) * | 2017-05-17 | 2020-01-13 | 씨알에스 홀딩즈 인코포레이티드 | Fe-Si 베이스 합금 및 그 제조 방법 |
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JP2013189712A (ja) | 2013-09-26 |
CN101454465A (zh) | 2009-06-10 |
CN101454465B (zh) | 2011-01-19 |
US7976644B2 (en) | 2011-07-12 |
KR101070064B1 (ko) | 2011-10-04 |
EP3018221B1 (en) | 2020-02-05 |
EP3018221A1 (en) | 2016-05-11 |
IN2015DN02521A (ko) | 2015-09-11 |
EP2025766B1 (en) | 2016-08-24 |
BRPI0712010A2 (pt) | 2011-12-06 |
WO2007136127A1 (ja) | 2007-11-29 |
EP2025766A4 (en) | 2014-03-19 |
RU2378394C1 (ru) | 2010-01-10 |
JP5729414B2 (ja) | 2015-06-03 |
US20090165895A1 (en) | 2009-07-02 |
EP2025766A1 (en) | 2009-02-18 |
BRPI0712010B1 (pt) | 2014-10-29 |
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