KR100398389B1 - 자기적특성이우수한무방향성전기강판의제조방법 - Google Patents
자기적특성이우수한무방향성전기강판의제조방법 Download PDFInfo
- Publication number
- KR100398389B1 KR100398389B1 KR10-1998-0057106A KR19980057106A KR100398389B1 KR 100398389 B1 KR100398389 B1 KR 100398389B1 KR 19980057106 A KR19980057106 A KR 19980057106A KR 100398389 B1 KR100398389 B1 KR 100398389B1
- Authority
- KR
- South Korea
- Prior art keywords
- less
- magnetic properties
- annealing
- oriented electrical
- hot
- Prior art date
Links
Classifications
-
- 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
-
- 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
- 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
-
- 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
-
- 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
- C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
강번호 | 강중 화학성분(중량%) | 자기적성질 | 결정립크기(㎛) | 비고 | ||||||||
C | Si | Al | Mn | P | S | REM | Sn | W15/50 | B50 | |||
1 | 0.005 | 0.82 | 0.23 | 0.26 | 0.026 | 0.008 | - | - | 4.474 | 1.682 | 46.5 | 비교재 |
2 | 0.003 | 0.81 | 0.24 | 0.25 | 0.027 | 0.006 | 0.03 | - | 4.281 | 1.675 | 48.1 | 비교재 |
3 | 0.004 | 0.82 | 0.25 | 0.25 | 0.026 | 0.008 | 0.06 | - | 4.139 | 1.671 | 67.6 | 비교재 |
4 | 0.003 | 0.80 | 0.24 | 0.25 | 0.027 | 0.009 | 0.09 | - | 4.102 | 1.689 | 75.5 | 비교재 |
5 | 0.003 | 0.80 | 0.24 | 0.24 | 0.026 | 0.005 | 0.12 | - | 4.504 | 1.671 | 49.8 | 비교재 |
6 | 0.003 | 0.80 | 0.25 | 0.25 | 0.025 | 0.005 | 0.06 | 0.1 | 4.020 | 1.760 | 46.8 | 발명재 |
*W15/50:자속밀도 1.5Tesia, 주파수 50Hz에서의 철손값*B50:자장의 세기가5000A일 때의 자속밀도값 |
Claims (3)
- 중량%로, C:0.01%이하, Si:1.0%이하, Al:0.10-1.0%, Mn:0.3%이하, P:0.03%이하, S:0.01%이하, N:0.0060%이하 및 REM:0.03%-0.1%, Sn:0.005-0.25%이고 나머지 Fe 및 불가피하게 함유되는 불순물로 이루어지는 규소강슬라브를 열간압연한 후 열연판소둔을 생략하고 산세한 다음, 탈탄소둔하고 이어 최종두께까지 1회 냉간압연한 후 연속소둔하여 이루어지는 자기적특성이 우수한 무방향성 전기강판의 제조방법.
- 제 1항에 있어서, 상기 REM은 Ce:40-50%, La:20-40%를 포함하는 미쉬메탈임을 특징으로 하는 제조방법.
- 제 1항에 있어서, 상기 연속소둔은 950-1100℃의 온도에서 30초-10분간 행함을 특징으로 하는 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0057106A KR100398389B1 (ko) | 1998-12-22 | 1998-12-22 | 자기적특성이우수한무방향성전기강판의제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0057106A KR100398389B1 (ko) | 1998-12-22 | 1998-12-22 | 자기적특성이우수한무방향성전기강판의제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000041270A KR20000041270A (ko) | 2000-07-15 |
KR100398389B1 true KR100398389B1 (ko) | 2003-12-18 |
Family
ID=19564507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0057106A KR100398389B1 (ko) | 1998-12-22 | 1998-12-22 | 자기적특성이우수한무방향성전기강판의제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100398389B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100530047B1 (ko) * | 2001-03-05 | 2005-11-22 | 주식회사 포스코 | 응력제거소둔후 철손이 개선된 무방향성 전기강판 및 그제조방법 |
CN117737594B (zh) * | 2024-02-19 | 2024-05-07 | 内蒙古矽能电磁科技有限公司 | 一种含稀土超薄取向硅钢及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03215627A (ja) * | 1990-01-19 | 1991-09-20 | Nippon Steel Corp | 無方向性電磁鋼板の製造方法 |
JPH09316535A (ja) * | 1996-05-27 | 1997-12-09 | Kawasaki Steel Corp | 磁気特性に優れる無方向性電磁鋼板およびその製造方法 |
KR19980063732A (ko) * | 1996-12-09 | 1998-10-07 | 김종진 | 자기적 특성이 우수한 무방향성 전기강판 및 그 제조방법 |
KR20000039855A (ko) * | 1998-12-16 | 2000-07-05 | 이구택 | 자기적 성질이 우수한 무방향성 전기강판의 제조방법 |
KR100340548B1 (ko) * | 1997-11-26 | 2002-07-18 | 이구택 | 자성이우수한무방향성전기강판의제조방법 |
-
1998
- 1998-12-22 KR KR10-1998-0057106A patent/KR100398389B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03215627A (ja) * | 1990-01-19 | 1991-09-20 | Nippon Steel Corp | 無方向性電磁鋼板の製造方法 |
JPH09316535A (ja) * | 1996-05-27 | 1997-12-09 | Kawasaki Steel Corp | 磁気特性に優れる無方向性電磁鋼板およびその製造方法 |
KR19980063732A (ko) * | 1996-12-09 | 1998-10-07 | 김종진 | 자기적 특성이 우수한 무방향성 전기강판 및 그 제조방법 |
KR100340548B1 (ko) * | 1997-11-26 | 2002-07-18 | 이구택 | 자성이우수한무방향성전기강판의제조방법 |
KR20000039855A (ko) * | 1998-12-16 | 2000-07-05 | 이구택 | 자기적 성질이 우수한 무방향성 전기강판의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20000041270A (ko) | 2000-07-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3404124B1 (en) | Non-oriented electrical steel sheet and production method thereof | |
EP3037564B1 (en) | Non-oriented electrical steel sheet and hot-rolled steel sheet thereof | |
JP4123629B2 (ja) | 電磁鋼板およびその製造方法 | |
KR100832342B1 (ko) | 자성이 우수한 무방향성 전기강판 및 그 제조방법 | |
KR20060134154A (ko) | 펀칭 가공성과 왜곡 제거 소둔 후의 자기 특성이 우수한무방향성 전자 강판과 그 제조 방법 | |
KR100398389B1 (ko) | 자기적특성이우수한무방향성전기강판의제조방법 | |
KR100340548B1 (ko) | 자성이우수한무방향성전기강판의제조방법 | |
JP2000017330A (ja) | 鉄損の低い無方向性電磁鋼板の製造方法 | |
KR19990033508A (ko) | 무방향성 전기강판의 제조방법 | |
TWI834484B (zh) | 無方向性電磁鋼板及其製造方法 | |
WO2023149248A1 (ja) | 無方向性電磁鋼板およびその製造方法 | |
KR20000043790A (ko) | 철손이 낮은 무방향성 전기강판 및 그 제조방법 | |
JPH0317892B2 (ko) | ||
KR910003880B1 (ko) | 자성이 우수한 세미프로세스 무방향성 전기강판의 제조방법 | |
KR100321035B1 (ko) | 수요가 열처리후 자기특성이 우수한 무방향성 전기강판 및 그제조방법 | |
JPH1171650A (ja) | 鉄損の低い無方向性電磁鋼板 | |
KR100237157B1 (ko) | 고주파 특성이 우수한 박물 무방향성 전기강판의 제조방법 | |
KR100530047B1 (ko) | 응력제거소둔후 철손이 개선된 무방향성 전기강판 및 그제조방법 | |
KR100368722B1 (ko) | 자기적특성이우수한무방향성전기강판및그제조방법 | |
JPH11293426A (ja) | 疲労特性に優れた無方向性電磁鋼板 | |
JPH07216516A (ja) | 磁気特性の優れた無方向性電磁鋼板とその製造方法 | |
KR100501000B1 (ko) | 응력제거소둔후철손이낮은무방향성전기강판및그제조방법 | |
JPH1112701A (ja) | 鉄損の低い無方向性電磁鋼板 | |
KR100544610B1 (ko) | 철손이 낮은 무방향성 전기강판의 제조방법 | |
JPH11131196A (ja) | 鉄損の低い無方向性電磁鋼板 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120821 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20130830 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20140828 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20150902 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20160905 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20170904 Year of fee payment: 15 |
|
LAPS | Lapse due to unpaid annual fee |