KR100876181B1 - 두께가 얇은 방향성 전기강판의 제조방법 - Google Patents
두께가 얇은 방향성 전기강판의 제조방법 Download PDFInfo
- Publication number
- KR100876181B1 KR100876181B1 KR1020060134909A KR20060134909A KR100876181B1 KR 100876181 B1 KR100876181 B1 KR 100876181B1 KR 1020060134909 A KR1020060134909 A KR 1020060134909A KR 20060134909 A KR20060134909 A KR 20060134909A KR 100876181 B1 KR100876181 B1 KR 100876181B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrical steel
- annealing
- temperature
- oriented electrical
- steel sheet
- Prior art date
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Classifications
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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
- C21D8/1216—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
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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
- C21D8/1244—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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- 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
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (4)
- 중량%로, Si: 2.5∼4%, C:0.02~0.07%, Mn: 0.05∼0.5%, sol-Al:0.025~0.04%, N:0.002~0.01%, P: 0.01∼0.04%, S: 0.001∼0.010% 나머지는 Fe 와 불가피하게 첨가되는 불순물로 이루어지는 방향성 전기강판 슬라브를 1100~1300℃의 온도범위로 가열하여 열간압연하고, 열연판소둔, 냉간압연, 탈탄소둔과 질화를 동시에 처리하고 2차재결정소둔하는 방향성 전기강판에 있어서,마무리 열간압연 마지막 3개스탠드의 누적압하율을 80~100%으로 하고, 탈탄, 질화 및 1차재결정소둔을 400~800℃ 승온구간에서 승온속도를 15~50℃/sec으로 하여 가열하고 소둔균열 후반부 유지 온도를 900~1100℃로 5초이상 1분미만 유지하여 실시하는 것을 특징으로 하는 두께가 얇은 방향성 전기강판의 제조방법.
- 제1항에 있어서,상기 열간압연은 마무리 열간압연을 6개 또는 7개의 스탠드로 된 탠덤압연기로 후단강압하하여 연속적으로 압연하는 것을 특징으로 하는 두께가 얇은 방향성 전기강판의 제조방법.
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060134909A KR100876181B1 (ko) | 2006-12-27 | 2006-12-27 | 두께가 얇은 방향성 전기강판의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060134909A KR100876181B1 (ko) | 2006-12-27 | 2006-12-27 | 두께가 얇은 방향성 전기강판의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080060601A KR20080060601A (ko) | 2008-07-02 |
KR100876181B1 true KR100876181B1 (ko) | 2008-12-31 |
Family
ID=39813107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020060134909A KR100876181B1 (ko) | 2006-12-27 | 2006-12-27 | 두께가 얇은 방향성 전기강판의 제조방법 |
Country Status (1)
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KR (1) | KR100876181B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10121135A (ja) | 1996-10-11 | 1998-05-12 | Kawasaki Steel Corp | 極めて鉄損の低い高磁束密度方向性電磁鋼板の製造方法 |
-
2006
- 2006-12-27 KR KR1020060134909A patent/KR100876181B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10121135A (ja) | 1996-10-11 | 1998-05-12 | Kawasaki Steel Corp | 極めて鉄損の低い高磁束密度方向性電磁鋼板の製造方法 |
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KR20080060601A (ko) | 2008-07-02 |
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