KR20200021999A - 방향성 전자 강판 - Google Patents
방향성 전자 강판 Download PDFInfo
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- KR20200021999A KR20200021999A KR1020207001963A KR20207001963A KR20200021999A KR 20200021999 A KR20200021999 A KR 20200021999A KR 1020207001963 A KR1020207001963 A KR 1020207001963A KR 20207001963 A KR20207001963 A KR 20207001963A KR 20200021999 A KR20200021999 A KR 20200021999A
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Abstract
Description
도 2는 X선 회절(XRD) 피크의 반값폭과 장력 절연 피막의 피막 잔존 면적률의 관계를 나타내는 도면이다.
Claims (3)
- 모재 강판과,
상기 모재 강판 상에 형성되고, 비정질의 SiO2로 이루어지는 산화물 피막과,
상기 산화물 피막 상에 형성된 장력 절연 피막을
구비하고,
상기 모재 강판은, 화학 성분으로서, 질량%로,
C: 0.085% 이하,
Si: 0.80 내지 7.00%,
Mn: 1.00% 이하,
산 가용성 Al: 0.065% 이하,
S+0.406·Se로 표시되는 Seq: 0.050% 이하를
함유하고,
잔부: Fe 및 불순물로 이루어지고,
X선 회절에 의해 얻어지는 크리스토발라이트형 인산알루미늄의 피크의 반값폭인 FWHM이,
(i) Co-Kα 여기원을 사용하여 X선 회절을 하였을 때, 2θ=24.8°에 나타나는 피크의 반값폭인 FWHM-Co가 2.5degree 이하이거나,
또는,
(ii) Cu-Kα 여기원을 사용하여 X선 회절을 하였을 때, 2θ=21.3°에 나타나는 피크의 반값폭인 FWHM-Cu가 2.1degree 이하인
것을 특징으로 하는 방향성 전자 강판. - 제1항에 있어서,
포스테라이트계 피막을 갖지 않는 것을 특징으로 하는 방향성 전자 강판. - 제1항 또는 제2항에 있어서,
상기 모재 강판이, 상기 화학 성분으로서, 또한, 질량%로,
N: 0.012% 이하,
P: 0.50% 이하,
Ni: 1.00% 이하,
Sn: 0.30% 이하,
Sb: 0.30% 이하,
Cu: 0.01 내지 0.80%
중 1종 또는 2종 이상을 포함하는 것을 특징으로 하는 방향성 전자 강판.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017137417 | 2017-07-13 | ||
| JPJP-P-2017-137417 | 2017-07-13 | ||
| PCT/JP2018/026615 WO2019013348A1 (ja) | 2017-07-13 | 2018-07-13 | 方向性電磁鋼板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200021999A true KR20200021999A (ko) | 2020-03-02 |
| KR102393831B1 KR102393831B1 (ko) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020207001963A Active KR102393831B1 (ko) | 2017-07-13 | 2018-07-13 | 방향성 전자 강판 |
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| Country | Link |
|---|---|
| US (1) | US12305252B2 (ko) |
| EP (1) | EP3653756A4 (ko) |
| JP (1) | JP6954351B2 (ko) |
| KR (1) | KR102393831B1 (ko) |
| CN (1) | CN110832118B (ko) |
| RU (1) | RU2726527C1 (ko) |
| WO (1) | WO2019013348A1 (ko) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3913096B1 (en) | 2019-01-16 | 2024-06-12 | Nippon Steel Corporation | Method for producing grain oriented electrical steel sheet |
| RU2771036C1 (ru) * | 2019-01-16 | 2022-04-25 | Ниппон Стил Корпорейшн | Лист анизотропной электротехнической стали |
| WO2020149346A1 (ja) | 2019-01-16 | 2020-07-23 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
| RU2768932C1 (ru) | 2019-01-16 | 2022-03-25 | Ниппон Стил Корпорейшн | Способ производства листа электротехнической стали с ориентированной зеренной структурой |
| KR102583079B1 (ko) | 2019-01-16 | 2023-10-04 | 닛폰세이테츠 가부시키가이샤 | 방향성 전자 강판의 제조 방법 |
| KR102538120B1 (ko) * | 2020-12-21 | 2023-05-26 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
| JP7678365B2 (ja) * | 2021-03-26 | 2025-05-16 | 日本製鉄株式会社 | 方向性電磁鋼板及びその製造方法 |
| EP4261293A4 (en) * | 2021-03-30 | 2024-12-04 | Nippon Steel Corporation | NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING THE SAME |
| EP4350033A4 (en) * | 2021-05-28 | 2024-09-18 | Nippon Steel Corporation | Grain-oriented electromagnetic steel sheet |
| BR112023021042A2 (pt) * | 2021-05-28 | 2023-12-12 | Nippon Steel Corp | Chapa de aço elétrico de grão orientado |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4839338A (ko) | 1971-09-27 | 1973-06-09 | ||
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- 2018-07-13 CN CN201880044652.1A patent/CN110832118B/zh active Active
- 2018-07-13 WO PCT/JP2018/026615 patent/WO2019013348A1/ja not_active Ceased
- 2018-07-13 US US16/629,531 patent/US12305252B2/en active Active
- 2018-07-13 KR KR1020207001963A patent/KR102393831B1/ko active Active
- 2018-07-13 EP EP18831300.1A patent/EP3653756A4/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3653756A4 (en) | 2020-12-30 |
| CN110832118B (zh) | 2022-04-19 |
| WO2019013348A1 (ja) | 2019-01-17 |
| EP3653756A1 (en) | 2020-05-20 |
| JPWO2019013348A1 (ja) | 2020-08-13 |
| JP6954351B2 (ja) | 2021-10-27 |
| US20200123632A1 (en) | 2020-04-23 |
| CN110832118A (zh) | 2020-02-21 |
| US12305252B2 (en) | 2025-05-20 |
| RU2726527C1 (ru) | 2020-07-14 |
| KR102393831B1 (ko) | 2022-05-03 |
| BR112020000236A2 (pt) | 2020-07-07 |
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