KR101067482B1 - 무방향성 전기강판의 냉각방법 - Google Patents
무방향성 전기강판의 냉각방법 Download PDFInfo
- Publication number
- KR101067482B1 KR101067482B1 KR1020040109307A KR20040109307A KR101067482B1 KR 101067482 B1 KR101067482 B1 KR 101067482B1 KR 1020040109307 A KR1020040109307 A KR 1020040109307A KR 20040109307 A KR20040109307 A KR 20040109307A KR 101067482 B1 KR101067482 B1 KR 101067482B1
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- KR
- South Korea
- Prior art keywords
- steel sheet
- oriented electrical
- electrical steel
- coating
- cooling
- Prior art date
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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
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/30—Stress-relieving
-
- 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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Abstract
Description
Claims (2)
- 중량%로, 탄소:0.04~0.07%, 규소:2.5~4.0%, 망간:0.05~0.25%, 인:0.03%, 황:0.02%, 알루미늄:0.1%, 질소:0.01%, 잔부 Fe 및 기타 불가피하게 함유되는 불순물로 조성되는 무방향성 전기강판을 0.5mm 두께로 냉간압연한 후 860~1100℃에서 2~4분간 정체시켜 탈탄, 소둔하고, 일정온도로 냉각한 후 코팅롤을 통해 절연코팅하는 무방향성 전기강판의 냉각방법에 있어서;상기 무방향성 전기강판이 코팅롤을 통해 절연코팅되기 전에 50~80℃로 유지되는 순수조를 통과하도록 하여 코팅전 강판의 온도가 150℃로 유지되도록 한 것을 특징으로 하는 무방향성 전기강판의 냉각방법.
- 청구항 1에 있어서,상기 강판이 순수조를 통해 150℃로 냉각된 후 코팅롤까지 도달하는데 걸리는 시간은 10~18 sec로 유지되는 것을 특징으로 하는 무방향성 전기강판의 냉각방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040109307A KR101067482B1 (ko) | 2004-12-21 | 2004-12-21 | 무방향성 전기강판의 냉각방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020040109307A KR101067482B1 (ko) | 2004-12-21 | 2004-12-21 | 무방향성 전기강판의 냉각방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060070723A KR20060070723A (ko) | 2006-06-26 |
KR101067482B1 true KR101067482B1 (ko) | 2011-09-27 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020040109307A KR101067482B1 (ko) | 2004-12-21 | 2004-12-21 | 무방향성 전기강판의 냉각방법 |
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KR (1) | KR101067482B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0119557B1 (ko) * | 1994-12-03 | 1997-10-22 | 김만제 | 절연피막의 밀착성이 우수한 무방향성 전기강판의 제조방법 |
JPH10183245A (ja) | 1996-12-20 | 1998-07-14 | Kawasaki Steel Corp | 耐食性および磁気特性に優れた無方向性電磁鋼帯の製造方法 |
KR20020012643A (ko) * | 2000-08-08 | 2002-02-20 | 이구택 | 자성이 우수한 무방향성 전기강판 및 그 제조방법 |
KR20030053121A (ko) * | 2001-12-22 | 2003-06-28 | 주식회사 포스코 | 자기특성이 우수한 무방향성 전기강판 제조방법 |
-
2004
- 2004-12-21 KR KR1020040109307A patent/KR101067482B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0119557B1 (ko) * | 1994-12-03 | 1997-10-22 | 김만제 | 절연피막의 밀착성이 우수한 무방향성 전기강판의 제조방법 |
JPH10183245A (ja) | 1996-12-20 | 1998-07-14 | Kawasaki Steel Corp | 耐食性および磁気特性に優れた無方向性電磁鋼帯の製造方法 |
KR20020012643A (ko) * | 2000-08-08 | 2002-02-20 | 이구택 | 자성이 우수한 무방향성 전기강판 및 그 제조방법 |
KR20030053121A (ko) * | 2001-12-22 | 2003-06-28 | 주식회사 포스코 | 자기특성이 우수한 무방향성 전기강판 제조방법 |
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KR20060070723A (ko) | 2006-06-26 |
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