KR20010060774A - 타발성이 우수한 무방향성 전기강판의 제조방법 - Google Patents
타발성이 우수한 무방향성 전기강판의 제조방법 Download PDFInfo
- Publication number
- KR20010060774A KR20010060774A KR1019990063201A KR19990063201A KR20010060774A KR 20010060774 A KR20010060774 A KR 20010060774A KR 1019990063201 A KR1019990063201 A KR 1019990063201A KR 19990063201 A KR19990063201 A KR 19990063201A KR 20010060774 A KR20010060774 A KR 20010060774A
- Authority
- KR
- South Korea
- Prior art keywords
- steel sheet
- oriented electrical
- electrical steel
- cold rolled
- annealing
- 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
- 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)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
구분 | 냉연판소둔조건 | 자기특성 | 경도(Vickers 10kg)하중 | |||
승온속도(℃/s) | 가열도에서의판온도 | 균열대에서의판온도 | 철손(W15/50) | 자속밀도(B50) | ||
종래재 | 15.0 | 780 | 780 | 5.8 | 1.760 | 108 |
비교재1 | 780 | 770 | 6.0 | 1.755 | 113 | |
비교재2 | 780 | 760 | 6.3 | 1.758 | 114 | |
발명재1 | 15.5~16.0 | 790 | 760 | 5.7 | 1.770 | 121 |
비교재3 | 790 | 750 | 6.3 | 1.760 | 115 | |
발명재2 | 800 | 760 | 5.7 | 1.763 | 124 | |
발명재3 | 810 | 760 | 5.7 | 1.762 | 119 |
Claims (1)
- 무방향성 전기강판의 제조방법에 있어서,중량%로 C:≤0.005%, Si: 0.35~0.45%, Mn: 0.2~0.3%, Sol-Al: ≤0.005% 이하, P: 0.05~0.07%, S: ≤ 0.012%, 잔부 Fe 및 불가피한 불순물로 이루어진 강 슬라브를 재가열하고 열간압연하여 두께가 2.0~2.5mm인 열연판을 만들고, 권취 및 산세한 다음, 냉간압연하고 냉연판소둔할 때 가열대에의 승온시 초기 승온속도를 15.5~16.0℃/sec로 하여 급가열하고 균열대에서의 판온도는 755~765℃로 제어하는 것을 특징으로 하는 타발성이 우수한 무방향성 전기강판의 제조방법
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0063201A KR100450393B1 (ko) | 1999-12-28 | 1999-12-28 | 타발성이 우수한 무방향성 전기강판의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0063201A KR100450393B1 (ko) | 1999-12-28 | 1999-12-28 | 타발성이 우수한 무방향성 전기강판의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010060774A true KR20010060774A (ko) | 2001-07-07 |
KR100450393B1 KR100450393B1 (ko) | 2004-09-30 |
Family
ID=19630574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0063201A KR100450393B1 (ko) | 1999-12-28 | 1999-12-28 | 타발성이 우수한 무방향성 전기강판의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100450393B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020016025A (ko) * | 2000-08-24 | 2002-03-04 | 이구택 | 자성이 우수한 무방향성 전기강판의 제조방법 |
KR100516464B1 (ko) * | 2000-12-21 | 2005-09-23 | 주식회사 포스코 | 고경도 무방향성 전기강판의 제조방법 |
KR100544531B1 (ko) * | 2000-12-20 | 2006-01-24 | 주식회사 포스코 | 자속밀도가 우수한 무방향성 전기강판의 제조방법 |
-
1999
- 1999-12-28 KR KR10-1999-0063201A patent/KR100450393B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020016025A (ko) * | 2000-08-24 | 2002-03-04 | 이구택 | 자성이 우수한 무방향성 전기강판의 제조방법 |
KR100544531B1 (ko) * | 2000-12-20 | 2006-01-24 | 주식회사 포스코 | 자속밀도가 우수한 무방향성 전기강판의 제조방법 |
KR100516464B1 (ko) * | 2000-12-21 | 2005-09-23 | 주식회사 포스코 | 고경도 무방향성 전기강판의 제조방법 |
Also Published As
Publication number | Publication date |
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KR100450393B1 (ko) | 2004-09-30 |
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