KR20190068581A - 우수한 자성을 갖는 무 방향성 전기강 및 그 제조 방법. - Google Patents
우수한 자성을 갖는 무 방향성 전기강 및 그 제조 방법. Download PDFInfo
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- KR20190068581A KR20190068581A KR1020197013420A KR20197013420A KR20190068581A KR 20190068581 A KR20190068581 A KR 20190068581A KR 1020197013420 A KR1020197013420 A KR 1020197013420A KR 20197013420 A KR20197013420 A KR 20197013420A KR 20190068581 A KR20190068581 A KR 20190068581A
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- C21D1/26—Methods of annealing
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- 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
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- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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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
- C21D8/12—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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- 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
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1222—Hot rolling
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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
- C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
- C21D8/1233—Cold rolling
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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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- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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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
- 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
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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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- 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
- 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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- Electromagnetism (AREA)
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Abstract
Description
Claims (10)
- 다음의 화학 원소를 질량 백분율 단위로 포함하는 우수한 자성을 갖는 무 방향성 전기강:
Si: 0.2 내지 1.5%, Mn: 0.01 내지 0.30%, Al: 0.001 내지 0.009%, O: 0.005 내지 0.02%, C: 0.005% 이하, S: 0.005% 이하, N: 0.005% 이하, 및 Ti: 0.002% 이하, 나머지는 Fe 및 다른 불가피한 불순물; 또한, Al/Si: 0.006 이하 및 Mn/Si: 0.2 이하이다. - 제 1항에 있어서, 상기 강은 SiO2-Al2O3-MnO의 삼항 내포물을 가지며; 여기서 SiO2의 부피 백분율은 95 내지 98%; Al2O3의 부피 백분율은 2 내지 3%; MnO의 부피 백분율은 2% 이하인, 무 방향성 전기강.
- 제 1항에 있어서, 상기 강 내의 규산염계 산화물 내포물의 등급은 1.5 이하인, 무 방향성 전기강.
- 제 3항에 있어서, 상기 강의 규산염계 산화물 내포물의 등급은 1.0 이하인, 무 방향성 전기강.
- 제 1항에 있어서, 상기 강의 그레인(grain) 크기는 45 μm이상인, 무 방향성 전기강.
- 제 5항에 있어서, 상기 강의 그레인 크기는 50 μm 이상인, 무 방향성 전기강.
- 제 1항에 있어서, Al/Si는 0.003 이하인, 무 방향성 전기강.
- 제 1항 내지 7항에 있어서, 상기 강은 3.8W/kg 이하의 철손 P15/50을 갖고, 1.64T 이상의 자기 유도를 가지는, 무 방향성 전기강.
- 제8항에 있어서, 상기 철손 P15/50의 값은 3.3W/kg 이하인, 무 방향성 전기강.
- 제 1항 내지 제9항에 있어서, 순서대로 다음 단계를 포함하는:
(1) 제련(smelting);
(2) 열간 압연: 슬라브 가열 온도는 850°C 내지 1250°C이고, 최종 압연 온도는 800 내지 1050°C임;
(3) 산 세척(acid pickling);
(4) 냉간 압연;
(5) 소둔(annealing): 소둔시 온도는 620°C 내지 900°C로 통제됨;
(6) 코팅;
무 방향성 전기강의 제조 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610963121.5 | 2016-10-28 | ||
CN201610963121.5A CN108004463A (zh) | 2016-10-28 | 2016-10-28 | 一种磁性能优良的无取向电工钢及其制造方法 |
PCT/CN2017/107797 WO2018077210A1 (zh) | 2016-10-28 | 2017-10-26 | 一种磁性能优良的无取向电工钢及其制造方法 |
Publications (1)
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KR20190068581A true KR20190068581A (ko) | 2019-06-18 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020197013420A Ceased KR20190068581A (ko) | 2016-10-28 | 2017-10-26 | 우수한 자성을 갖는 무 방향성 전기강 및 그 제조 방법. |
Country Status (7)
Country | Link |
---|---|
US (1) | US11162154B2 (ko) |
EP (1) | EP3533895B1 (ko) |
JP (1) | JP6931391B2 (ko) |
KR (1) | KR20190068581A (ko) |
CN (1) | CN108004463A (ko) |
RU (1) | RU2723121C1 (ko) |
WO (1) | WO2018077210A1 (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110777232B (zh) * | 2018-07-30 | 2021-10-22 | 宝山钢铁股份有限公司 | 一种磁性能优良的无取向电工钢板及其制造方法 |
CN112143964A (zh) * | 2019-06-28 | 2020-12-29 | 宝山钢铁股份有限公司 | 一种极低铁损的无取向电工钢板及其连续退火工艺 |
CN112143963A (zh) * | 2019-06-28 | 2020-12-29 | 宝山钢铁股份有限公司 | 一种磁性能优良的无取向电工钢板及其连续退火方法 |
CN112143961A (zh) * | 2019-06-28 | 2020-12-29 | 宝山钢铁股份有限公司 | 一种磁性能优良的无取向电工钢板及其连续退火方法 |
CN112430777A (zh) * | 2019-08-26 | 2021-03-02 | 宝山钢铁股份有限公司 | 一种超高磁感无取向电工钢板及其制造方法 |
CN112430778A (zh) * | 2019-08-26 | 2021-03-02 | 宝山钢铁股份有限公司 | 一种薄规格无取向电工钢板及其制造方法 |
WO2021210672A1 (ja) * | 2020-04-16 | 2021-10-21 | 日本製鉄株式会社 | 無方向性電磁鋼板およびその製造方法 |
CN111471927B (zh) * | 2020-04-27 | 2022-03-25 | 马鞍山钢铁股份有限公司 | 一种汽车发电机用高磁感无取向硅钢及其制备方法 |
CN116547394A (zh) * | 2020-11-27 | 2023-08-04 | 日本制铁株式会社 | 无取向性电磁钢板及其制造方法、以及热轧钢板 |
CN115198169B (zh) * | 2021-04-09 | 2023-07-07 | 宝山钢铁股份有限公司 | 一种无瓦楞状缺陷的高磁感低铁损无取向电工钢板及其制造方法 |
CN114411050B (zh) * | 2021-12-21 | 2022-10-14 | 河北敬业高品钢科技有限公司 | 一种无取向电工钢及其制备方法 |
CN115094311B (zh) * | 2022-06-17 | 2023-05-26 | 湖南华菱涟源钢铁有限公司 | 生产无取向电工钢的方法和无取向电工钢 |
CN118326239A (zh) * | 2023-01-10 | 2024-07-12 | 宝山钢铁股份有限公司 | 一种高磁感低铁损无取向电工钢板及其制造方法 |
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JP3158907B2 (ja) * | 1994-06-27 | 2001-04-23 | 日本鋼管株式会社 | 磁気特性に優れた無方向性電磁鋼板の製造方法 |
JP2874564B2 (ja) * | 1994-08-23 | 1999-03-24 | 住友金属工業株式会社 | 磁気特性の優れた無方向性電磁鋼板の製造方法 |
JP2000008147A (ja) * | 1998-06-24 | 2000-01-11 | Sumitomo Metal Ind Ltd | 磁気特性の優れた無方向性電磁鋼板およびその製造方法 |
WO2006048989A1 (ja) * | 2004-11-04 | 2006-05-11 | Nippon Steel Corporation | 鉄損に優れた無方向性電磁鋼板 |
CN101306434B (zh) | 2008-06-23 | 2012-05-30 | 首钢总公司 | 一种低碳低硅无铝半工艺无取向电工钢的制备方法 |
CN101812629A (zh) * | 2009-02-25 | 2010-08-25 | 宝山钢铁股份有限公司 | 铁损优良的无取向电工钢板及其制造方法 |
CN102453844B (zh) * | 2010-10-25 | 2013-09-04 | 宝山钢铁股份有限公司 | 一种磁性优良的高效无取向硅钢制造方法 |
CN102134675B (zh) * | 2011-02-22 | 2012-10-03 | 武汉钢铁(集团)公司 | 薄板坯连铸连轧生产的无取向电工钢及其方法 |
CN102796948B (zh) * | 2011-05-27 | 2014-03-19 | 宝山钢铁股份有限公司 | 极低Ti含量的无取向电工钢板及其冶炼方法 |
JP5263363B2 (ja) * | 2011-10-11 | 2013-08-14 | Jfeスチール株式会社 | 無方向性電磁鋼板の製造方法 |
CN103361544B (zh) * | 2012-03-26 | 2015-09-23 | 宝山钢铁股份有限公司 | 无取向硅钢及其制造方法 |
CN103614615A (zh) * | 2013-09-24 | 2014-03-05 | 马钢(集团)控股有限公司 | 一种低成本冷轧无取向电工钢的制造方法 |
CN105779876A (zh) * | 2014-12-23 | 2016-07-20 | 鞍钢股份有限公司 | 低牌号冷轧无取向电工钢薄带的生产方法 |
CN104789862A (zh) * | 2015-03-20 | 2015-07-22 | 宝山钢铁股份有限公司 | 表面状态良好的高磁感低铁损无取向电工钢板及其制造方法 |
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