KR20060125820A - 고규소강 및 그의 제조 방법 - Google Patents
고규소강 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR20060125820A KR20060125820A KR1020067012789A KR20067012789A KR20060125820A KR 20060125820 A KR20060125820 A KR 20060125820A KR 1020067012789 A KR1020067012789 A KR 1020067012789A KR 20067012789 A KR20067012789 A KR 20067012789A KR 20060125820 A KR20060125820 A KR 20060125820A
- Authority
- KR
- South Korea
- Prior art keywords
- silicon steel
- high silicon
- temperature
- carbon
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 119
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000011651 chromium Substances 0.000 claims abstract description 12
- 239000011572 manganese Substances 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 230000001590 oxidative effect Effects 0.000 claims abstract description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims abstract description 6
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 6
- 239000011574 phosphorus Substances 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 239000011593 sulfur Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 238000005098 hot rolling Methods 0.000 claims description 13
- 238000000265 homogenisation Methods 0.000 claims description 12
- 238000005555 metalworking Methods 0.000 claims description 8
- 238000005097 cold rolling Methods 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000930 thermomechanical effect Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 238000005262 decarbonization Methods 0.000 claims 1
- 238000010297 mechanical methods and process Methods 0.000 claims 1
- 238000000137 annealing Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 5
- 239000007858 starting material Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005475 siliconizing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (7)
- 5∼10 중량%의 규소; 0.007∼1 중량%의 탄소; 망간(Mn), 인(P), 황(S), 크롬(Cr), 및 니켈(Ni) 중에서 선택되는 하나 이상의 원소로 이루어진 불순물, 0.01 중량% 미만; 및 잔량의 철을 포함하는 고규소강.
- 고규소강의 제조 방법으로서,5∼10 중량%의 규소를 포함하는 고규소강에 0.01∼1 중량%의 탄소를 첨가하는 단계, 및1200℃ 내지 상기 고규소강의 융점 미만의 온도에서, 상기 고규소강으로부터 제2 상(secondary phase)의 대부분이 실질적으로 제거되기에 충분한 시간 동안, 상기 고규소강에 대해 균질화 열처리 공정을 수행하는 단계를 포함하며,상기 균질화 열처리 단계가 보호성 분위기(protective environment) 하에 수행되는 것을 특징으로 하는고규소강의 제조 방법.
- 제2항에 있어서,상기 균질화 열처리 공정은 보호성 분위기, 즉, 비산화 분위기(non-oxidizing environment), 탈탄소 분위기, 또는 진공 하에 수행되는 것을 특징으로 하는 제조 방법.
- 제2항에 있어서,열가공 제어 프로세스(thermo-mechanical process)를 이용하여, 상기 고규소강 중의 탄소 함량을 제어하는 단계를 포함하는 것을 특징으로 하는 제조 방법.
- 제2항에 있어서,다양한 두께의, 탄소 함유 고규소강 시트를 제조하기 위해 종래의 금속 가공 방법을 이용하며,제조된 스틸 시트 각각의 두께가 0.5 ㎜, 0.35 ㎜, 및 0.1 ㎜이고, 전술한 각각의 두께를 갖는 시트는 실질적으로 상기 시트의 두께에 가까운 균일한 사이즈의 그레인(grain), 즉, 사이즈가 각각 0.5 ㎜, 0.35 ㎜, 또는 0.1 ㎜인 그레인을 갖는, 제어된 미세 조직을 가지는것을 특징으로 하는 제조 방법.
- 제5항에 있어서,상기 종래의 금속 가공 방법이 하기 단계 중 적어도 하나의 단계를 포함하는 것을 특징으로 하는 제조 방법:(1) 금속을 연속 주조한 다음, 600∼1,000℃의 온도에서 연속 열간 압연한 후, 주괴를 600∼1,000℃의 온도에서 열간 압연하는 단계;(2) 열간 압연 공정, 및 냉간 압연 공정(냉간 압연 온도: 실온 내지 500℃)의 조합을 수행함으로써, 얇은 스틸 시트를 제조하는 단계; 및(3) 단독의 스틸 시트를 열간 압연하는 공정, 및 2개 또는 복수 개의 스틸 시트를 열간 압연하는 공정의 조합을 수행함으로써, 얇은 스틸 시트를 제조하는 단계.
- 제2항에 있어서,상기 제조 방법에 의해 제조된 고규소강은,실온에서의 연신율(elongation)이 10% 이상이고, 200 내지 800℃에서의 연신율이 20%보다 높으며, 800℃보다 높은 온도에서의 연신율이 100%보다 높고,실온 내지 약 500℃에서의 강도가 약 600 ㎫이고,공기 중에 500℃의 온도에서 노출한 지 50시간 후의 산화율이 0.01 g/㎡이며,자기적 특성으로서, 최대 투자율(maximum magnetic permeability)= 46,000 ㎛이고, 각각 다른 주파수 범위에서의 철손(core loss), 즉, W10/50=0.49 w/㎏, W10/400=10.56 w/㎏, W5/1K=11 w/㎏, W5/1K=8.71 w/㎏, W0.5/10=6.5 w/㎏을 갖는것을 특징으로 하는 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2003101088971A CN1252304C (zh) | 2003-11-27 | 2003-11-27 | 高硅钢及其制备方法 |
CN200310108897.1 | 2003-11-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20060125820A true KR20060125820A (ko) | 2006-12-06 |
Family
ID=34334921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067012789A Ceased KR20060125820A (ko) | 2003-11-27 | 2004-11-19 | 고규소강 및 그의 제조 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070125450A1 (ko) |
KR (1) | KR20060125820A (ko) |
CN (1) | CN1252304C (ko) |
WO (1) | WO2005052206A1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102172824B (zh) * | 2011-01-18 | 2012-12-05 | 东北大学 | 一种冷轧高硅钢薄带的制造方法 |
CN102126110B (zh) * | 2011-01-18 | 2012-08-29 | 东北大学 | 一种高硅钢薄带的制造方法 |
CN105779728A (zh) * | 2014-12-23 | 2016-07-20 | 鞍钢股份有限公司 | 一种无取向电工钢薄带的热轧方法 |
CN108026621B (zh) * | 2015-09-17 | 2020-08-04 | 杰富意钢铁株式会社 | 高硅钢板及其制造方法 |
CN115821166A (zh) * | 2022-11-17 | 2023-03-21 | 华誉智造(上海)新材料有限公司 | 可轧制型高硅钢条带及其制备与应用 |
US20240380290A1 (en) * | 2023-05-12 | 2024-11-14 | General Electric Company | Methods for manufacturing soft magnetic thin laminates |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5644135B2 (ko) * | 1974-02-28 | 1981-10-17 | ||
JPS60121222A (ja) * | 1983-12-02 | 1985-06-28 | Kawasaki Steel Corp | 一方向性珪素鋼板の製造方法 |
US5200145A (en) * | 1987-06-08 | 1993-04-06 | Exxon Research And Engineering Co. | Electrical steels and method for producing same |
KR930011625B1 (ko) * | 1990-07-16 | 1993-12-16 | 신닛뽄 세이데쓰 가부시끼가이샤 | 냉간압연에 의한 판두께가 얇은 초고규소 전자강판의 제조방법 |
KR960010811B1 (ko) * | 1992-04-16 | 1996-08-09 | 신니뽄세이데스 가부시끼가이샤 | 자성이 우수한 입자배향 전기 강 시트의 제조방법 |
EP0601549B1 (en) * | 1992-12-08 | 1997-07-16 | Nkk Corporation | Electrical steel sheet |
JP3275712B2 (ja) * | 1995-10-06 | 2002-04-22 | 日本鋼管株式会社 | 加工性に優れた高珪素鋼板およびその製造方法 |
BR9800978A (pt) * | 1997-03-26 | 2000-05-16 | Kawasaki Steel Co | Chapas elétricas de aço com grão orientado tendo perda de ferro muito baixa e o processo de produção da mesma |
DE69810852T2 (de) * | 1997-07-17 | 2003-06-05 | Kawasaki Steel Corp., Kobe | Kornorientiertes Elektrostahlblech mit ausgezeichneten magnetischen Eigenschaften und dessen Herstellungsverfahren |
IT1299137B1 (it) * | 1998-03-10 | 2000-02-29 | Acciai Speciali Terni Spa | Processo per il controllo e la regolazione della ricristallizzazione secondaria nella produzione di lamierini magnetici a grano orientato |
EP1026267A4 (en) * | 1998-05-29 | 2004-12-15 | Neomax Co Ltd | METHOD FOR PRODUCING HIGH SILICON STEEL AND CORRESPONDING STEEL |
JP2000192204A (ja) * | 1998-12-28 | 2000-07-11 | Daido Steel Co Ltd | 高珪素鋼薄板とその製造方法 |
JP2001254155A (ja) * | 2000-03-09 | 2001-09-18 | Nkk Corp | 高周波鉄損特性に優れた高けい素鋼板 |
US20040042926A1 (en) * | 2000-12-14 | 2004-03-04 | Yoshiyuki Shimizu | High-silicon stainless |
EP1279747B1 (en) * | 2001-07-24 | 2013-11-27 | JFE Steel Corporation | A method of manufacturing grain-oriented electrical steel sheets |
-
2003
- 2003-11-27 CN CNB2003101088971A patent/CN1252304C/zh not_active Expired - Fee Related
-
2004
- 2004-11-19 US US10/580,664 patent/US20070125450A1/en not_active Abandoned
- 2004-11-19 WO PCT/CN2004/001317 patent/WO2005052206A1/zh active Application Filing
- 2004-11-19 KR KR1020067012789A patent/KR20060125820A/ko not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US20070125450A1 (en) | 2007-06-07 |
WO2005052206A1 (fr) | 2005-06-09 |
CN1252304C (zh) | 2006-04-19 |
CN1544680A (zh) | 2004-11-10 |
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