KR20170073311A - 방향성 전기강판용 절연피막 조성물, 방향성 전기강판의 절연피막 형성 방법, 및 절연피막이 형성된 방향성 전기강판 - Google Patents
방향성 전기강판용 절연피막 조성물, 방향성 전기강판의 절연피막 형성 방법, 및 절연피막이 형성된 방향성 전기강판 Download PDFInfo
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Abstract
Description
| 구분 |
방향성 전기강판용 절연피막 조성물 | 기공도 |
밀착성 (mmΦ) | 자기특성 | 소음 (dBA) |
|||
| 무기 질화물 | 콜로이달 실리카 | 인산 마그네슘 | W17/50 (W/kg) | B8 (T) | ||||
| 비교예 1 | - | 50 중량% | 50 중량% | 0 | 20 | 0.88 | 1.9 | 59 |
| 비교예 2 | Mg3N2 (0.03 중량%) | 49.985 중량% | 49.985 중량% | 0.04 | 20 | 0.89 | 1.9 | 59 |
| 비교예 3 | Mg3N2 (11중량%) | 44.5 중량% | 44.5 중량% | 10.2 | 50 | 0.97 | 1.88 | - |
| 발명예 1 | Mg3N2 (3중량%) | 48.5 중량% | 48.5 중량% | 1.8 | 15 | 0.84 | 1.91 | 52 |
| 발명예 2 | Si3N4 (6중량%) | 47 중량% | 47 중량% | 5 | 25 | 0.82 | 1.9 | 47 |
| 발명예 3 | AlN (2중량%) | 49 중량% | 49 중량% | 0.7 | 20 | 0.87 | 1.91 | 57 |
| 발명예 4 | TiN (1중량%) | 49.5 중량% | 49.5 중량% | 0.3 | 20 | 0.85 | 1.91 | 57 |
| 발명예 5 | BN (0.5중량%) | 49.75 중량% | 49.75 중량% | 0.15 | 20 | 0.85 | 1.9 | 58 |
| 발명예 6 | TaN (0.5중량%) | 49.75 중량% | 49.75 중량% | 0.22 | 20 | 0.86 | 1.9 | 58 |
| 발명예 7 | GaN (0.7중량%) | 49.65 중량% | 49.65 중량% | 0.18 | 20 | 0.87 | 1.9 | 57 |
| 발명예 8 | Ca3N3 (1.5중량%) | 49.25 중량% | 49.25 중량% | 1.3 | 30 | 0.8 | 1.92 | 57 |
| 발명예 9 | InN (4중량%) | 48 중량% | 48 중량% | 6.4 | 20 | 0.86 | 1.92 | 55 |
| 발명예 10 | ZrN (5중량%) | 47.5 중량% | 47.5 중량% | 4.7 | 20 | 0.91 | 1.92 | 55 |
| 발명예 11 | Ge3N4 (3중량%) | 48.5 중량% | 48.5 중량% | 3.8 | 20 | 0.87 | 1.9 | 56 |
| 발명예 12 | NbN (10중량%) | 45 중량% | 45 중량% | 9.8 | 35 | 0.95 | 1.89 | - |
| 발명예 13 | Sr3N2 (8중량%) | 46 중량% | 46 중량% | 9.3 | 15 | 0.88 | 1.89 | 53 |
| 발명예 14 | Ba3N2 (7중량%) | 46.5 중량% | 46.5 중량% | 8.4 | 25 | 0.85 | 1.9 | 53 |
| 발명예 15 | Mg3N2 (2중량%), Sr3N2 (2중량%) | 48 중량% | 48 중량% | 5.1 | 15 | 0.75 | 1.93 | 49 |
| 발명예 16 | Sr3N2 (3중량%), AlN (0.7중량%) | 48.15 중량% | 48.15 중량% | 4.1 | 15 | 0.85 | 1.91 | 53 |
| 발명예 17 | Sr3N2 (3중량%), AlN (0.7중량%), Si3N4 (2.3중량%) | 47 중량% | 47 중량% | 3.9 | 20 | 0.82 | 1.91 | 53 |
| 발명예 18 | Mg3N2 (3중량%), BN (0.5중량%), InN (0.5중량%), Sr3N2 (2중량%) | 47 중량% | 47 중량% | 7.4 | 25 | 0.78 | 1.91 | 51 |
| 구분 | 방향성 전기강판용 절연피막 조성물 (조성물 전체 중량을 100 중량% 기준으로 함) |
기공도 (절연피막 전체 부피를 100 부피% 기준으로 함) |
표면 품질 |
절연성 (mA) |
소음 (dBA) |
||
| Mg3N2 | 콜로이달 실리카 |
금속 인산염 (인산 알루미늄:인산 마그네슘=1:1의 중량 비율로 혼합된 것) |
|||||
| 비교예 A0 | - | 50 중량% | 50 중량% | 0 | △ | 360 | 66.4 |
| 발명예 A1 | 3.5 중량% | 42 중량% | 55.5 중량% | 1.4 | ◎ | 25 | 62.2 |
| 발명예 A2 | 10 중량% | 40 중량% | 50 중량% | 9.2 | △ | 145 | 57.5 |
| 발명예 A3 | 5.2 중량% | 47.3 중량% | 47.5 중량% | 3.7 | ○ | 224 | 54.4 |
| 발명예 A4 | 6.4 중량% | 55.2 중량% | 38.4 중량% | 4.1 | △ | 415 | 58.5 |
| 발명예 A5 | 0.1 중량% | 45.9 중량% | 54 중량% | 0.05 | ○ | 375 | 66.2 |
| 발명예 A6 | 0.5 중량% | 49.5 중량% | 50 중량% | 0.1 | ○ | 225 | 66.2 |
| 발명예 A7 | 8.5 중량% | 35.8 중량% | 55.7 중량% | 8.9 | ○ | 97 | 55.5 |
| 비교예 A1 | 0.05 중량% | 34.95 중량% | 65 중량% | 0.01 | △ | 310 | 68.4 |
| 비교예 A2 | 11 중량% | 72 중량% | 17 중량% | 14 | X | - | - |
| 비교예 A3 | 5 중량% | 62 중량% | 33 중량% | 7.1 | △ | 550 | 72.7 |
| 비교예 A4 | 5 중량% | 5 중량% | 90 중량% | 7.9 | X | - | - |
| 비교예 A5 | 7 중량% | 84 중량% | 9 중량% | 8.0 | X | - | - |
| 구분 | 자기 특성 | 소음(50Hz, dBA) | |||||||
| W17/50 (W/kg) |
B8 (T) |
1.3T | 1.4T | 1.5T | 1.6T | 1.7T | 1.8T | 1.9T | |
| 비교예 A0 | 0.75 | 1.92 | 39.9 | 43.8 | 47 | 50.1 | 53.2 | 58.5 | 61.9 |
| 발명예 A3 | 0.74 | 1.92 | 28.1 | 34.6 | 37.6 | 42.8 | 49.3 | 55.2 | 58.2 |
Claims (21)
- 0.1 내지 10 중량%의 무기 질화물;
30 내지 60 중량%의 콜로이달 실리카; 및
30 내지 60 중량%의 금속 인산염;을 포함하는,
방향성 전기강판용 절연피막 조성물.
- 제1항에 있어서,
상기 무기 질화물은,
마그네슘(Mg), 실리콘(Si), 알루미늄(Al), 티탄(Ti), 보론(B), 탄탈 (Ta), 갈륨 (Ga), 칼슘(Ca), 인듐(In), 지르코늄(Zr), 게르마늄(Ge), 니오비움(Nb), 스트론튬(Sr2), 및 바륨(Ba)를 포함하는 군에서 선택되는 적어도 1종 이상의 원소의 질화물을 포함하는 것인,
방향성 전기강판용 절연피막 조성물.
- 제1항에 있어서,
상기 콜로이달 실리카의 입경은,
2 내지 100 ㎚인 것인,
방향성 전기강판용 절연피막 조성물.
- 제1항에 있어서,
상기 금속 인산염은,
알루미늄(Al), 마그네슘(Mg), 칼슘(Ca), 안티몬(Sb), 주석(Sn), 납(Pb), 및 비스무스(Bi)를 포함하는 군으로부터 선택되는 적어도 1종 이상의 금속의 인산염을 포함하는 것인,
방향성 전기강판용 절연피막 조성물.
- 제1항에 있어서,
상기 절연피막 조성물은,
상기 0.1 내지 10 중량%의 무기 질화물; 30 내지 60 중량%의 콜로이달 실리카; 및 30 내지 60 중량%의 금속 인산염;을 포함하는 조성물 100 중량부에 대해, 0.1 내지 7 중량부의 크롬 산화물;을 더 포함하는,
방향성 전기강판용 절연피막 조성물.
- 제1항에 있어서,
상기 절연피막 조성물은,
상기 0.1 내지 10 중량%의 무기 질화물; 30 내지 60 중량%의 콜로이달 실리카; 및 30 내지 60 중량%의 금속 인산염;을 포함하는 조성물 100 중량부에 대해, 0.1 내지 4 중량부의 붕산;을 더 포함하는,
방향성 전기강판용 절연피막 조성물.
- 방향성 전기강판용 절연피막 조성물을 준비하는 단계;
상기 방향성 전기강판용 절연피막 조성물을 방향성 전기강판의 표면에 도포하는 단계; 및
상기 방향성 전기강판용 절연피막 조성물이 도포된 방향성 전기강판을 열처리하는 단계;를 포함하고,
상기 방향성 전기강판은, 규소(Si): 2.5 내지 4.5 중량%, 안티몬(Sb): 0.01 내지 0.08 중량%, 주석(Sn): 0.02 내지 0.08 중량%, 비스무스(Bi): 0.01 내지 0.04 중량%, 크롬(Cr): 0.01 내지 0.30 중량%, 산 가용성 알루미늄(Al): 0.02 내지 0.04 중량%, 망간(Mn): 0.05 내지 0.20 중량%, 탄소(C): 0.02 내지 0.08 중량%, 및 황(S): 0.001 내지 0.005 중량%를 포함하고, 질소(N): 10 내지 50 ppm를 포함하며, 잔부는 Fe 및 기타 불가피한 불순물로 이루어진 것이고,
상기 방향성 전기강판용 절연피막 조성물은, 0.1 내지 10 중량%의 무기 질화물, 30 내지 60 중량%의 콜로이달 실리카, 및 30 내지 60 중량%의 금속 인산염을 포함하는 것인,
방향성 전기강판의 절연피막 형성 방법.
- 제7항에 있어서,
상기 방향성 전기강판용 절연피막 조성물이 도포된 방향성 전기강판을 열처리하는 단계;는,
상기 방향성 전기강판용 절연피막 조성물 내 무기 질화물이 무기 산화물 또는 수산화물로 전환되는 단계;를 포함하는 것인,
방향성 전기강판의 절연피막 형성 방법.
- 제7항에 있어서,
상기 방향성 전기강판용 절연피막 조성물 내 무기 질화물이 무기 산화물 또는 수산화물로 전환되는 단계;에서,
암모니아(NH3), 질소(N2) 및/또는 수소(H2) 가스(gas)가 발생하는 것인,
방향성 전기강판의 절연피막 형성 방법.
- 제7항에 있어서,
상기 방향성 전기강판용 절연피막 조성물 내 무기 질화물이 무기 산화물 또는 수산화물로 전환되는 단계;에서,
상기 암모니아(NH3), 질소(N2) 및/또는 수소(H2) 가스(gas)에 의해, 내부에 기공을 포함하는 절연피막이 형성되는 것인,
방향성 전기강판의 절연피막 형성 방법.
- 제10항에 있어서,
상기 방향성 전기강판용 절연피막 조성물 내 무기 질화물이 무기 산화물 또는 수산화물로 전환되는 단계;에서,
상기 절연피막의 전체 부피(100 부피%)에 대해, 상기 기공은 0.05 내지 10 부피% 포함되는 것인,
방향성 전기강판의 절연피막 형성 방법.
- 제7항에 있어서,
상기 방향성 전기강판용 절연피막 조성물이 도포된 방향성 전기강판을 열처리하는 단계;는,
250 내지 950 ℃의 온도 범위에서 수행되는 것인,
방향성 전기강판의 절연피막 형성방법.
- 제7항에 있어서,
상기 방향성 전기강판용 절연피막 조성물이 도포된 방향성 전기강판을 열처리하는 단계;는,
30초 내지 70초 동안 수행되는 것인,
방향성 전기강판의 절연피막 형성방법.
- 제7항에 있어서,
상기 방향성 전기강판용 절연피막 조성물을 방향성 전기강판의 표면에 도포하는 단계;에서,
상기 방향성 전기강판의 한쪽 표면 당 1 내지 7 g/m2의 범위로 상기 방향성 전기강판용 절연피막 조성물을 도포하는 것인,
방향성 전기강판의 절연피막 형성 방법.
- 제7항에 있어서,
상기 무기 질화물은,
마그네슘(Mg), 실리콘(Si), 알루미늄(Al), 티탄(Ti), 보론(B), 탄탈 (Ta), 갈륨 (Ga), 칼슘(Ca), 인듐(In), 지르코늄(Zr), 게르마늄(Ge), 니오비움(Nb), 스트론튬(Sr2), 및 바륨(Ba)를 포함하는 군에서 선택되는 적어도 1종 이상의 원소의 질화물을 포함하는 것인,
방향성 전기강판의 절연피막 형성 방법.
- 방향성 전기강판; 및
상기 방향성 전기강판의 표면에 위치하는 절연피막;을 포함하고,
상기 방향성 전기강판은, 규소(Si): 2.5 내지 4.5 중량%, 안티몬(Sb): 0.01 내지 0.08 중량%, 주석(Sn): 0.02 내지 0.08 중량%, 비스무스(Bi): 0.01 내지 0.04 중량%, 크롬(Cr): 0.01 내지 0.30 중량%, 산 가용성 알루미늄(Al): 0.02 내지 0.04 중량%, 망간(Mn): 0.05 내지 0.20 중량%, 탄소(C): 0.02 내지 0.08 중량%, 및 황(S): 0.001 내지 0.005 중량%를 포함하고, 질소(N): 10 내지 50 ppm를 포함하며, 잔부는 Fe 및 기타 불가피한 불순물로 이루어진 것이고,
상기 절연피막은, 0.1 내지 10 중량%의 무기 산화물, 30 내지 60 중량%의 실리카, 및 30 내지 60 중량%의 금속 인산염을 포함하는 절연피막;을 포함하는,
절연피막이 형성된 방향성 전기강판.
- 제16항에 있어서,
상기 절연피막은, 내부에 기공을 포함하는 것인,
절연피막이 형성된 방향성 전기강판.
- 제17항에 있어서,
상기 절연피막의 전체 부피 100 부피%에 대해, 상기 기공은 0.05 내지 10 부피%로 포함되는 것인,
절연피막이 형성된 방향성 전기강판.
- 제17항에 있어서,
상기 기공의 직경은,
1 내지 500 ㎚인 것인,
절연피막이 형성된 방향성 전기강판.
- 제16항에 있어서,
상기 무기 산화물은,
마그네슘(Mg), 실리콘(Si), 알루미늄(Al), 티탄(Ti), 보론(B), 탄탈 (Ta), 갈륨 (Ga), 칼슘(Ca), 인듐(In), 지르코늄(Zr), 게르마늄(Ge), 니오비움(Nb), 스트론튬(Sr2), 및 바륨(Ba)를 포함하는 군에서 선택되는 적어도 1종 이상의 원소의 산화물을 포함하는 것인,
절연피막이 형성된 방향성 전기강판.
- 제16항에 있어서,
상기 절연피막의 두께는,
0.2 내지 4 ㎛인 것인,
절연피막이 형성된 방향성 전기강판.
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|---|---|---|---|---|
| KR20190078228A (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 방향성 전기강판 및 방향성 전기강판의 제조방법 |
| WO2019132378A1 (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| KR20200013569A (ko) * | 2018-07-30 | 2020-02-07 | 주식회사 포스코 | 전기강판용 절연 피막 조성물 및 절연 피막을 포함하는 전기강판 |
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| CN109852109A (zh) * | 2018-12-29 | 2019-06-07 | 南京宝淳新材料科技有限公司 | 一种钢板用不含六价铬的环保型涂料及其制备方法 |
| CN109777160B (zh) * | 2019-01-08 | 2020-02-14 | 南京宝淳新材料科技有限公司 | 一种方向性电磁钢板用涂料及其制备方法 |
| JP7200687B2 (ja) * | 2019-01-16 | 2023-01-10 | 日本製鉄株式会社 | 方向性電磁鋼板及びその製造方法 |
| CN116478562A (zh) * | 2022-01-14 | 2023-07-25 | 宝山钢铁股份有限公司 | 一种用于取向硅钢涂层的涂料、取向硅钢板及其制造方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143737A (en) * | 1978-04-28 | 1979-11-09 | Kawasaki Steel Co | Formation of chromiummfree insulating top coating for directional silicon steel plate |
| CN1039915C (zh) * | 1989-07-05 | 1998-09-23 | 新日本制铁株式会社 | 方向性电磁钢板上的绝缘皮膜成型方法 |
| JP2791812B2 (ja) * | 1989-12-30 | 1998-08-27 | 新日本製鐵株式会社 | 鉄心加工性、耐熱性および張力付与性の優れた方向性電磁鋼板の絶縁皮膜形成方法及び方向性電磁鋼板 |
| JPH046264A (ja) * | 1990-04-23 | 1992-01-10 | Kawasaki Steel Corp | 超低鉄損方向性珪素鋼板の製造方法 |
| JP2654861B2 (ja) * | 1990-10-27 | 1997-09-17 | 新日本製鐵株式会社 | 鉄心の加工性および耐熱性の優れた方向性電磁鋼板の絶縁皮膜形成方法 |
| JP2654862B2 (ja) * | 1990-10-27 | 1997-09-17 | 新日本製鐵株式会社 | 鉄心加工性および耐粉塵化性が優れた方向性電磁鋼板の絶縁皮膜形成方法 |
| CN101180411B (zh) * | 2005-05-23 | 2012-01-11 | 新日本制铁株式会社 | 被膜粘附性优异的取向电磁钢板及其制造方法 |
| JP5181571B2 (ja) * | 2007-08-09 | 2013-04-10 | Jfeスチール株式会社 | 方向性電磁鋼板用クロムフリー絶縁被膜処理液および絶縁被膜付方向性電磁鋼板の製造方法 |
| JP5793305B2 (ja) * | 2007-12-28 | 2015-10-14 | ポスコ | 磁気特性に優れた方向性電磁鋼板及びその製造方法 |
| KR101110256B1 (ko) * | 2009-08-07 | 2012-02-16 | 주식회사 포스코 | 피막밀착성과 장력부여능이 우수한 전기강판 절연피막 형성용 피복조성물과 이를 이용한 방향성 전기강판의 절연피막 형성방법 및 피복조성물로 절연피막이 형성된 방향성 전기강판 |
| BR112012020687B1 (pt) * | 2010-02-18 | 2019-11-26 | Nippon Steel Corporation | Método de produção de chapa de aço elétrico com grão orientado |
| JP5757693B2 (ja) * | 2010-05-25 | 2015-07-29 | 新日鐵住金株式会社 | 低鉄損一方向性電磁鋼板の製造方法 |
| JP5633402B2 (ja) * | 2011-01-31 | 2014-12-03 | Jfeスチール株式会社 | クロムレス張力被膜付き方向性電磁鋼板 |
| JP5633401B2 (ja) * | 2011-01-31 | 2014-12-03 | Jfeスチール株式会社 | クロムレス張力被膜用処理液およびクロムレス張力被膜の形成方法 |
| KR101356053B1 (ko) * | 2011-12-28 | 2014-01-28 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
-
2015
- 2015-12-18 KR KR1020150182064A patent/KR20170073311A/ko not_active Ceased
-
2016
- 2016-12-15 EP EP16876053.6A patent/EP3392317A4/en not_active Withdrawn
- 2016-12-15 WO PCT/KR2016/014742 patent/WO2017105111A1/ko not_active Ceased
- 2016-12-15 US US16/063,642 patent/US20180374600A1/en not_active Abandoned
- 2016-12-15 CN CN201680074445.1A patent/CN108473800A/zh active Pending
- 2016-12-15 JP JP2018532068A patent/JP6686146B2/ja active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190078228A (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 방향성 전기강판 및 방향성 전기강판의 제조방법 |
| WO2019132378A1 (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
| KR20200013569A (ko) * | 2018-07-30 | 2020-02-07 | 주식회사 포스코 | 전기강판용 절연 피막 조성물 및 절연 피막을 포함하는 전기강판 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180374600A1 (en) | 2018-12-27 |
| JP6686146B2 (ja) | 2020-04-22 |
| WO2017105111A1 (ko) | 2017-06-22 |
| JP2019507239A (ja) | 2019-03-14 |
| EP3392317A4 (en) | 2019-01-09 |
| CN108473800A (zh) | 2018-08-31 |
| EP3392317A1 (en) | 2018-10-24 |
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