KR100544531B1 - 자속밀도가 우수한 무방향성 전기강판의 제조방법 - Google Patents
자속밀도가 우수한 무방향성 전기강판의 제조방법 Download PDFInfo
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- KR100544531B1 KR100544531B1 KR1020000079247A KR20000079247A KR100544531B1 KR 100544531 B1 KR100544531 B1 KR 100544531B1 KR 1020000079247 A KR1020000079247 A KR 1020000079247A KR 20000079247 A KR20000079247 A KR 20000079247A KR 100544531 B1 KR100544531 B1 KR 100544531B1
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- Prior art keywords
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- magnetic flux
- flux density
- oriented electrical
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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
- C21D8/1244—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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
Abstract
Description
강 종 | C | Si | Mn | P | S | Sol.Al | N | O |
발명강1 | 0.002 | 0.45 | 0.30 | 0.075 | 0.002 | 0.0007 | 0.0014 | 0.0015 |
발명강2 | 0.002 | 0.44 | 0.31 | 0.076 | 0.002 | 0.0006 | 0.0015 | 0.0025 |
발명강3 | 0.002 | 0.45 | 0.29 | 0.075 | 0.002 | 0.0005 | 0.0013 | 0.0015 |
비교강1 | 0.002 | 0.46 | 0.30 | 0.075 | 0.002 | 0.0080 | 0.0015 | 0.0014 |
비교강2 | 0.002 | 0.45 | 0.32 | 0.020 | 0.002 | 0.0007 | 0.0015 | 0.0053 |
비교강3 | 0.002 | 0.44 | 0.31 | 0.075 | 0.002 | 0.004 | 0.0015 | 0.0048 |
구분 | 냉연판 소둔조건 | 자기특성 | 강종 | ||||
소둔온도 (℃) | 소둔속도 (℃/s) | 소둔시간 (초) | 자속밀도 (B50) Tesla | (200)면 집합조직강도 | (110)면 집하조직강도 | ||
발명재1 | 800 | 15 | 10 | 1.84 | 1.12 | 1.54 | 발명강1 |
발명재2 | 900 | 20 | 10 | 1.83 | 1.25 | 1.65 | |
발명재3 | 900 | 20 | 20 | 1.84 | 1.32 | 1.21 | |
발명재4 | 900 | 20 | 5 | 1.85 | 1.45 | 1.15 | |
발명재5 | 650 | 15 | 10 | 1.83 | 1.25 | 1.30 | 발명강2 |
발명재6 | 800 | 20 | 10 | 1.82 | 1.23 | 1.25 | |
발명재7 | 800 | 20 | 10 | 1.83 | 1.31 | 1.20 | 발명강3 |
비교재1 | 800 | 20 | 40 | 1.80 | 0.95 | 1.10 | |
비교재2 | 800 | 20 | 60 | 1.78 | 0.62 | 0.92 | |
비교재3 | 800 | 20 | 10 | 1.75 | 0.45 | 0.78 | 비교강1 |
비교재4 | 800 | 20 | 10 | 1.76 | 0.33 | 0.65 | 비교강2 |
비교재5 | 800 | 20 | 10 | 1.77 | 0.39 | 0.69 | 비교강3 |
Claims (1)
- 중량%로, C:0.006%이하, Si:1.5%이하, Mn:0.6%이하, P:0.15%이하, S:0.015%이하, Sol.Al:0.003%이하, N:0.0040%이하, O:0.0040%이하, 잔부 Fe 및 기타 불가피한 불순물로 조성되는 열간압연판을 600~800℃의 온도로 권취하고, 산세 및 냉간압연한 다음, 소둔시 가열온도를 650~950℃로 하고 가열속도를 10~40℃/sec로 하여 30초 이하로 소둔하는 것을 포함하여 이루어지는 자속밀도가 우수한 무방향성 전기강판의 제조방법.
Priority Applications (1)
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KR1020000079247A KR100544531B1 (ko) | 2000-12-20 | 2000-12-20 | 자속밀도가 우수한 무방향성 전기강판의 제조방법 |
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KR1020000079247A KR100544531B1 (ko) | 2000-12-20 | 2000-12-20 | 자속밀도가 우수한 무방향성 전기강판의 제조방법 |
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KR20020049922A KR20020049922A (ko) | 2002-06-26 |
KR100544531B1 true KR100544531B1 (ko) | 2006-01-24 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56102520A (en) * | 1980-01-16 | 1981-08-17 | Kawasaki Steel Corp | Manufacture of nonoriented silicon steel sheet very low in iron loss |
JPS60145310A (ja) * | 1984-01-06 | 1985-07-31 | Kawasaki Steel Corp | 鉄損の低い無方向性電磁鋼板用溶鋼の溶製方法 |
JPS61119652A (ja) * | 1984-11-15 | 1986-06-06 | Kawasaki Steel Corp | 鉄損の低い無方向性電磁鋼板 |
JPS62102507A (ja) * | 1985-10-29 | 1987-05-13 | Kawasaki Steel Corp | 無方向性けい素鋼板の製造方法 |
JPH03223424A (ja) * | 1990-01-29 | 1991-10-02 | Nkk Corp | 磁気特性の優れたセミプロセス無方向性電磁鋼板の製造方法 |
KR950018539A (ko) * | 1993-12-22 | 1995-07-22 | 조말수 | 자기적 특성이 우수한 무방향성 전기강판의 제조방법 |
KR20000031656A (ko) * | 1998-11-09 | 2000-06-05 | 이구택 | 자기특성이 우수하고 자기이방성이 작은 무방향성 전기강판의제조방법 |
KR20010060774A (ko) * | 1999-12-28 | 2001-07-07 | 이구택 | 타발성이 우수한 무방향성 전기강판의 제조방법 |
-
2000
- 2000-12-20 KR KR1020000079247A patent/KR100544531B1/ko active IP Right Grant
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56102520A (en) * | 1980-01-16 | 1981-08-17 | Kawasaki Steel Corp | Manufacture of nonoriented silicon steel sheet very low in iron loss |
JPS60145310A (ja) * | 1984-01-06 | 1985-07-31 | Kawasaki Steel Corp | 鉄損の低い無方向性電磁鋼板用溶鋼の溶製方法 |
JPS61119652A (ja) * | 1984-11-15 | 1986-06-06 | Kawasaki Steel Corp | 鉄損の低い無方向性電磁鋼板 |
JPS62102507A (ja) * | 1985-10-29 | 1987-05-13 | Kawasaki Steel Corp | 無方向性けい素鋼板の製造方法 |
JPH03223424A (ja) * | 1990-01-29 | 1991-10-02 | Nkk Corp | 磁気特性の優れたセミプロセス無方向性電磁鋼板の製造方法 |
KR950018539A (ko) * | 1993-12-22 | 1995-07-22 | 조말수 | 자기적 특성이 우수한 무방향성 전기강판의 제조방법 |
KR20000031656A (ko) * | 1998-11-09 | 2000-06-05 | 이구택 | 자기특성이 우수하고 자기이방성이 작은 무방향성 전기강판의제조방법 |
KR20010060774A (ko) * | 1999-12-28 | 2001-07-07 | 이구택 | 타발성이 우수한 무방향성 전기강판의 제조방법 |
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