KR102901552B1 - 방향성 전기 강판의 제조 방법 - Google Patents
방향성 전기 강판의 제조 방법Info
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- KR102901552B1 KR102901552B1 KR1020237021695A KR20237021695A KR102901552B1 KR 102901552 B1 KR102901552 B1 KR 102901552B1 KR 1020237021695 A KR1020237021695 A KR 1020237021695A KR 20237021695 A KR20237021695 A KR 20237021695A KR 102901552 B1 KR102901552 B1 KR 102901552B1
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Abstract
Description
Claims (3)
- 질량% 로, C : 0.01 ∼ 0.1 %, Si : 2.0 ∼ 5.0 % 및 Mn : 0.01 ∼ 1 % 를 함유하고, 추가로 인히비터로서 Ti, Zr, Hf, V, Nb 및 Ta 중 어느 1 종, 또는 2 종 이상을 합계로 0.0010 ∼ 0.0100 % 함유하며, 잔부가 Fe 및 불가피적 불순물인 강 슬래브에, 열간 압연을 실시하고, 1 회, 또는 중간 어닐링을 사이에 두는 2 회 이상의 냉간 압연을 실시한 후, 탈탄 어닐링을 실시하고, 이어서 어닐링 분리제를 도포하여, 마무리 어닐링을 실시하는 일련의 공정으로 이루어지고, 상기 마무리 어닐링시에는, 2 차 재결정 어닐링을 실시한 후, 순화 어닐링을 실시하는, 방향성 전기 강판의 제조 방법으로서,
상기 어닐링 분리제는, MgO : 100 질량부에 대해서 금속 화합물 : 1 ∼ 10 질량부 첨가하고, 상기 금속 화합물 중 입자경 : 1 ㎛ 이상의 입자의 비율을, 강판 표면에 있어서 0.0010 개/㎛2 이하로 하여 도포하고,
상기 금속 화합물은, Ti, Cr, Mo, W, Mn, Zn, Sn, Pb, Sb 및 Bi 중에서 선택한 적어도 1 종의 산화물, 수산화물, 질산염 및 황산염 중 어느 1 종 이상이고, 또한, 상기 금속 화합물은, 상기 인히비터로서 사용하는 원소에 의해 분해되는 것을 특징으로 하는 방향성 전기 강판의 제조 방법. - 제 1 항에 있어서,
상기 강 슬래브가, 추가로 질량% 로, B : 0.0001 ∼ 0.005 %, N : 0.002 ∼ 0.01 %, Al : 0.004 ∼ 0.04 %, P : 0.005 ∼ 0.1 %, S : 0.002 ∼ 0.03 %, Cr : 0.01 ∼ 0.5 %, Ni : 0.01 ∼ 1.5 %, Cu : 0.01 ∼ 0.5 %, Se : 0.002 ∼ 0.03 %, Mo : 0.005 ∼ 0.1 %, Sn : 0.005 ∼ 0.5 %, Sb : 0.005 ∼ 0.5 %, 및 Bi : 0.001 ∼ 0.05 % 중 어느 1 종, 또는 2 종 이상을 함유하는 것을 특징으로 하는, 방향성 전기 강판의 제조 방법. - 삭제
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021008319 | 2021-01-21 | ||
| JPJP-P-2021-008319 | 2021-01-21 | ||
| PCT/JP2022/002057 WO2022158541A1 (ja) | 2021-01-21 | 2022-01-20 | 方向性電磁鋼板の製造方法 |
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| Publication Number | Publication Date |
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| KR20230113364A KR20230113364A (ko) | 2023-07-28 |
| KR102901552B1 true KR102901552B1 (ko) | 2025-12-17 |
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| KR1020237021695A Active KR102901552B1 (ko) | 2021-01-21 | 2022-01-20 | 방향성 전기 강판의 제조 방법 |
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| US (1) | US20240026482A1 (ko) |
| EP (1) | EP4245867A4 (ko) |
| JP (1) | JP7459939B2 (ko) |
| KR (1) | KR102901552B1 (ko) |
| CN (1) | CN116745444A (ko) |
| WO (1) | WO2022158541A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025187775A1 (ja) * | 2024-03-06 | 2025-09-12 | 日本製鉄株式会社 | 方向性電磁鋼板用の脱炭窒化鋼板 |
| WO2025187777A1 (ja) * | 2024-03-06 | 2025-09-12 | 日本製鉄株式会社 | 脱炭焼鈍鋼板 |
| WO2025187790A1 (ja) * | 2024-03-06 | 2025-09-12 | 日本製鉄株式会社 | 方向性電磁鋼板およびその製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020203928A1 (ja) * | 2019-03-29 | 2020-10-08 | 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 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6123771A (ja) * | 1984-07-12 | 1986-02-01 | Nippon Steel Corp | 方向性電磁鋼板のグラス皮膜形成方法 |
| JPS6179781A (ja) * | 1984-09-27 | 1986-04-23 | Nippon Steel Corp | 方向性電磁鋼板のグラス皮膜形成方法 |
| JPS6179780A (ja) * | 1984-09-27 | 1986-04-23 | Nippon Steel Corp | 方向性電磁鋼板の製造方法 |
| JPH0625747A (ja) | 1992-07-13 | 1994-02-01 | Nippon Steel Corp | 薄手高磁束密度一方向性電磁鋼板の製造方法 |
| JPH06172939A (ja) * | 1992-12-03 | 1994-06-21 | Nippon Steel Corp | 高磁束密度低鉄損一方向性電磁鋼板およびその製造法 |
| JP3329641B2 (ja) | 1995-11-27 | 2002-09-30 | 川崎製鉄株式会社 | 磁気特性及び鋼板端部形状に優れるAl含有方向性電磁鋼板の製造方法 |
| JP4598624B2 (ja) * | 2005-08-16 | 2010-12-15 | 新日本製鐵株式会社 | 皮膜密着性の極めて優れた方向性電磁鋼板およびその製造方法 |
| WO2008047999A1 (en) * | 2006-10-18 | 2008-04-24 | Posco | Annealing separating agent for grain oriented electrical steel sheet having uniform glass film and excellent magnetic properties and method of manufacturig the same |
| JP5008949B2 (ja) | 2006-11-02 | 2012-08-22 | 新日本製鐵株式会社 | 生産性に優れた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 |
| 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 |
| CN104884644B (zh) * | 2012-12-28 | 2017-03-15 | 杰富意钢铁株式会社 | 方向性电磁钢板的制造方法 |
| KR101796751B1 (ko) * | 2016-05-02 | 2017-11-10 | 주식회사 포스코 | 소둔 분리제 조성물, 이의 제조 방법, 및 이를 이용한 방향성 전기강판의 제조방법 |
| JP2019127616A (ja) * | 2018-01-24 | 2019-08-01 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
| JP7319523B2 (ja) * | 2019-04-05 | 2023-08-02 | 日本製鉄株式会社 | 方向性電磁鋼板 |
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- 2022-01-20 WO PCT/JP2022/002057 patent/WO2022158541A1/ja not_active Ceased
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- 2022-01-20 EP EP22742660.8A patent/EP4245867A4/en active Pending
- 2022-01-20 US US18/258,327 patent/US20240026482A1/en active Pending
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| WO2020203928A1 (ja) * | 2019-03-29 | 2020-10-08 | 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 |
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| US20240026482A1 (en) | 2024-01-25 |
| KR20230113364A (ko) | 2023-07-28 |
| WO2022158541A1 (ja) | 2022-07-28 |
| JPWO2022158541A1 (ko) | 2022-07-28 |
| EP4245867A4 (en) | 2024-05-01 |
| CN116745444A (zh) | 2023-09-12 |
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