KR20030076993A - 방향성 전기 강판 스트립의 제조 방법 - Google Patents
방향성 전기 강판 스트립의 제조 방법 Download PDFInfo
- Publication number
- KR20030076993A KR20030076993A KR10-2003-7008097A KR20037008097A KR20030076993A KR 20030076993 A KR20030076993 A KR 20030076993A KR 20037008097 A KR20037008097 A KR 20037008097A KR 20030076993 A KR20030076993 A KR 20030076993A
- Authority
- KR
- South Korea
- Prior art keywords
- strip
- ppm
- austenite
- casting
- rolling
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 43
- 230000008569 process Effects 0.000 title description 15
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 title description 3
- 238000005266 casting Methods 0.000 claims abstract description 40
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 238000001953 recrystallisation Methods 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 9
- 238000007711 solidification Methods 0.000 claims abstract description 9
- 230000008023 solidification Effects 0.000 claims abstract description 9
- 229910017082 Fe-Si Inorganic materials 0.000 claims abstract description 4
- 229910017133 Fe—Si Inorganic materials 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract 2
- 238000005097 cold rolling Methods 0.000 claims description 11
- 238000005098 hot rolling Methods 0.000 claims description 11
- 238000010791 quenching Methods 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 229910000734 martensite Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 10
- 229910000976 Electrical steel Inorganic materials 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 238000009826 distribution Methods 0.000 description 7
- 239000012467 final product Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000005261 decarburization Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 229910001208 Crucible steel Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000003346 selenoethers Chemical class 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- -1 carbon nitrides Chemical class 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000007572 expansion measurement Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
-
- 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
- C21D8/1244—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
- C21D8/1261—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 following 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- 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
- C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
- C21D8/1211—Rapid solidification; Thin strip casting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Seasonings (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Noodles (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Continuous Casting (AREA)
Abstract
Description
강판 | C(ppm) | Si(%) | Mn(%) | S(ppm) | Cr(ppm) | Ni(ppm) | Al(ppm) | Cu(ppm) |
A | 500 | 3.1 | 0.2 | 75 | 300 | 100 | 250 | 0.1 |
B | 300 | 3.1 | 0.1 | 68 | 350 | 120 | 270 | 0.15 |
C | 350 | 3.2 | 0.4 | 70 | 320 | 110 | 230 | 0.3 |
D | 400 | 3.1 | 0.3 | 80 | 290 | 150 | 280 | 0.25 |
E | 500 | 3.1 | 0.4 | 50 | 400 | 100 | 280 | 0.2 |
강판 | γ(1150)(%) |
A | 27 |
B | 11 |
C | 15 |
D | 19 |
E | 25 |
즉석 열간 압연 | 즉석 열간 압연 없음 | |
강판 | B800(mT) | B800(Mt) |
A | 1950 | 1700 |
B | 1720 | 1650 |
C | 1730 | 1630 |
D | 1900 | 1680 |
E | 1945 | 1710 |
강판 | C(ppm) | Si(%) | Mn(%) | S(ppm) | Cr(ppm) | Ni(ppm) | Al(ppm) | Cu(ppm) |
A | 550 | 3.3 | 0.3 | 80 | 450 | 200 | 280 | 0.15 |
B | 300 | 3.1 | 0.2 | 68 | 350 | 120 | 270 | 0.2 |
C | 350 | 3.2 | 0.4 | 70 | 320 | 130 | 230 | 0.3 |
D | 400 | 3.0 | 0.3 | 80 | 290 | 180 | 280 | 0.25 |
E | 400 | 3.1 | 0.4 | 75 | 250 | 200 | 290 | 0.25 |
담금질된 스트립 | 담금질되지 않은 스트립 | |
강판 | 마르텐사이트(%) | 마르텐사이트(%) |
A | 19 | 0 |
B | 3 | 0 |
C | 5 | 0 |
D | 13 | 0 |
E | 15 | 0 |
담금질된 스트립 | 담금질되지 않은 스트립 | |
강판 | B800(mT) | B800(mT) |
A | --- | 1830 |
B | 1790 | 1650 |
C | 1890 | 1630 |
D | 1920 | 1820 |
E | 1950 | 1830 |
강판 | 마르텐사이트(%) | B800(mT) |
A | 12 | 1950 |
B | 2 | 1700 |
C | 5 | 1740 |
D | 8 | 1920 |
E | 9 | 1920 |
Si | C | Mn | Cu | Sn | Cr | Mo | Nb | Ni | P | Al | Ce | N | S | |
A | 3,2 | 0,07 | 0,40 | 0,25 | 0,1 | 0,03 | 0,1 | 0,03 | 0,02 | - | 0,030 | 0,01 | 0,01 | 0,010 |
B | 3,3 | 0,06 | 0,06 | 0,07 | 0,09 | 0,03 | - | 0,03 | - | 0,004 | - | 0,007 | 0,025 | |
C | 3,0 | 0,03 | 0,95 | 0,40 | 0,06 | 0,30 | 0,02 | 0,02 | 0,20 | 0,02 | 0,015 | - | 0,007 | 0,015 |
D | 3,1 | 0,05 | 0,15 | 0,25 | - | 0,02 | 0,03 | - | 0,02 | - | 0,028 | - | 0,008 | 0,007 |
E | 3,4 | 0,07 | 0,40 | 0,35 | - | 0,03 | 0,05 | 0,01 | 0,03 | 0,01 | 0,030 | - | 0,008 | 0,006 |
탈탄 T(℃) | A1 | B1 | C1 | D1 | E1 | A2 | B2 | C2 | D2 | E2 |
830 | 1890 | 1800 | 1920 | 1930 | 1910 | 1690 | 1520 | 1730 | 1640 | 1580 |
850 | 1930 | 1750 | 1940 | 1910 | 1920 | 1730 | 1540 | 1780 | 1540 | 1630 |
870 | 1940 | 1590 | 1890 | 1900 | 1890 | 1780 | 1530 | 1690 | 1520 | 1540 |
Claims (8)
- Si-함유 합금을 2.5 내지 5 ㎜ 두께의 연속 스트립으로서 직접 주조하고, 중간 풀림과 함께 하나 이상의 단계로 1 내지 0.15 ㎜의 최종 두께로 냉간 압연시키고, 이어서 상기 스트립을 1 차 재결정화를 수행하기 위해서 연속적으로 풀림시키고 배향된 2 차 재결정화를 수행하기 위해 후속적으로 풀림시키는 방향성 전기 Fe-Si 스트립의 제조 방법으로,상기 스트립의 고화 후 및 이것을 감기 전에, 페라이트에서 오스테나이트로의 변환을, 금속 매트릭스에서 25 내지 60%의 오스테나이트 체적분할이 상기 두 상들의 안정성 평형 내에서 허용되도록 주조 기계에서 즉석으로 합금 조성을 조절하고, 2 개의 냉각롤 사이에서 상기 스트립을 열간 압연에 의해 변형시켜 1000 내지 1300 ℃의 온도 범위에서 20% 이상의 변형율을 얻음으로써 상기와 같은 체적분할으로 유도하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서,압연 단계와 감기 단계 사이에서 스트립을 5 초 이상동안 1100 내지 1200 ℃에서 유지시키는 방법.
- 제 1 항 또는 제 2 항에 있어서,고화된 스트립 두께가 1.5 내지 4.0 ㎜이고, 상기 스트립을 즉석 압연시킨 후에 담금질시켜 5 내지 15%의 마르텐사이트 체적분할을 수득하는 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,냉간 압연 전에 스트립을 1200 ℃의 최대 온도에서 풀림시키는 방법.
- 제 4 항에 있어서,풀림 후에 스트립을 12 초 안에 750 내지 950 ℃의 온도에서 400 ℃까지 연속해서 담금질시키는 방법.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,주조 합금이 2.5 내지 5.0 중량%의 Si, 200 내지 1000 ppm의 C, 0.05 내지 0.5 중량%의 Mn, 0.07 내지 0.5 중량%의 Cu, 2 중량% 미만의 Cr + Ni + Mo, 30 ppm 미만의 O, 500 ppm 미만의 S + Se, 50 내지 400 ppm의 Al, 100 ppm 미만의 N을 포함하는 방법.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,합금에 Zr, Ti, Ce, B, Ta, Nb, V, Co로 이루어진 그룹 중에서 선택된 하나 이상의 원소를 첨가하는 방법.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,합금에 Sn, Sb, P, Bi로 이루어진 그룹 중에서 선택된 하나 이상의 원소를 첨가하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM2000A000677 | 2000-12-18 | ||
IT2000RM000677A IT1316030B1 (it) | 2000-12-18 | 2000-12-18 | Procedimento per la fabbricazione di lamierini a grano orientato. |
PCT/EP2001/014966 WO2002050315A2 (en) | 2000-12-18 | 2001-12-18 | Process for the production of grain oriented electrical steel strips |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030076993A true KR20030076993A (ko) | 2003-09-29 |
KR100781839B1 KR100781839B1 (ko) | 2007-12-03 |
Family
ID=11455065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037008097A KR100781839B1 (ko) | 2000-12-18 | 2001-12-18 | 방향성 전기 강판 스트립의 제조 방법 |
Country Status (16)
Country | Link |
---|---|
US (1) | US6964711B2 (ko) |
EP (1) | EP1356126B1 (ko) |
JP (1) | JP4697841B2 (ko) |
KR (1) | KR100781839B1 (ko) |
CN (1) | CN100352952C (ko) |
AT (1) | ATE289361T1 (ko) |
AU (1) | AU2002234590A1 (ko) |
BR (1) | BR0116244B1 (ko) |
CZ (1) | CZ20031688A3 (ko) |
DE (1) | DE60108985T2 (ko) |
ES (1) | ES2238489T3 (ko) |
IT (1) | IT1316030B1 (ko) |
PL (1) | PL198248B1 (ko) |
RU (1) | RU2288959C2 (ko) |
SK (1) | SK286521B6 (ko) |
WO (1) | WO2002050315A2 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL1752549T3 (pl) * | 2005-08-03 | 2017-08-31 | Thyssenkrupp Steel Europe Ag | Sposób wytwarzania taśmy elektrotechnicznej o zorientowanych ziarnach |
PL1752548T3 (pl) | 2005-08-03 | 2017-08-31 | Thyssenkrupp Steel Europe Ag | Sposób wytwarzania taśmy elektrotechnicznej o zorientowanych ziarnach |
US7736444B1 (en) * | 2006-04-19 | 2010-06-15 | Silicon Steel Technology, Inc. | Method and system for manufacturing electrical silicon steel |
IT1396714B1 (it) | 2008-11-18 | 2012-12-14 | Ct Sviluppo Materiali Spa | Procedimento per la produzione di lamierino magnetico a grano orientato a partire da bramma sottile. |
JP5744575B2 (ja) * | 2010-03-29 | 2015-07-08 | 新日鐵住金ステンレス株式会社 | 複相組織ステンレス鋼鋼板および鋼帯、製造方法 |
CN102477483B (zh) * | 2010-11-26 | 2013-10-30 | 宝山钢铁股份有限公司 | 一种磁性能优良的取向硅钢生产方法 |
DE102012002642B4 (de) * | 2012-02-08 | 2013-08-14 | Salzgitter Flachstahl Gmbh | Warmband zur Herstellung eines Elektroblechs und Verfahren hierzu |
JP2013181183A (ja) * | 2012-02-29 | 2013-09-12 | Jfe Steel Corp | 降伏強度の面内異方性の小さい高強度冷延鋼板およびその製造方法 |
CN102787276B (zh) * | 2012-08-30 | 2014-04-30 | 宝山钢铁股份有限公司 | 一种高磁感取向硅钢及其制造方法 |
CN103805918B (zh) * | 2012-11-15 | 2016-01-27 | 宝山钢铁股份有限公司 | 一种高磁感取向硅钢及其生产方法 |
JP5939156B2 (ja) * | 2012-12-28 | 2016-06-22 | Jfeスチール株式会社 | 方向性電磁鋼板の製造方法 |
US10364477B2 (en) * | 2015-08-25 | 2019-07-30 | Purdue Research Foundation | Processes for producing continuous bulk forms of iron-silicon alloys and bulk forms produced thereby |
DE102015114358B4 (de) * | 2015-08-28 | 2017-04-13 | Thyssenkrupp Electrical Steel Gmbh | Verfahren zum Herstellen eines kornorientierten Elektrobands und kornorientiertes Elektroband |
CN109072385A (zh) * | 2016-03-15 | 2018-12-21 | 科罗拉多州立大学研究基金会 | 耐腐蚀合金和应用 |
CN106282761B (zh) * | 2016-08-02 | 2018-06-29 | 天津市佳利电梯电机有限公司 | 一种硅钢、制备方法及应用 |
KR102079771B1 (ko) * | 2017-12-26 | 2020-02-20 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
CN109593933B (zh) * | 2019-01-15 | 2024-01-23 | 北京科技大学 | 一种铸坯自动在线淬火装置及方法 |
CN112474821B (zh) * | 2020-10-29 | 2023-03-21 | 江苏延汉材料科技有限公司 | 一种马氏体不锈钢薄带的板型控制方法 |
RU2762195C1 (ru) * | 2021-03-15 | 2021-12-16 | Публичное Акционерное Общество "Новолипецкий металлургический комбинат" | Способ получения изотропной электротехнической стали |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58117828A (ja) * | 1981-12-28 | 1983-07-13 | Nippon Steel Corp | 鉄損が低く磁束密度の高いセミプロセス無方向性電磁鋼板の製造方法 |
JPS59208020A (ja) * | 1983-05-12 | 1984-11-26 | Nippon Steel Corp | 低鉄損一方向性電磁鋼板の製造方法 |
US5049204A (en) | 1989-03-30 | 1991-09-17 | Nippon Steel Corporation | Process for producing a grain-oriented electrical steel sheet by means of rapid quench-solidification process |
JPH0372027A (ja) * | 1989-08-11 | 1991-03-27 | Nippon Steel Corp | 鉄損の優れた高磁束密度一方向性電磁鋼板の製造方法 |
JP2826005B2 (ja) * | 1991-12-26 | 1998-11-18 | 新日本製鐵株式会社 | 一方向性電磁鋼板用薄鋳片の製造方法 |
JP3310004B2 (ja) * | 1991-12-26 | 2002-07-29 | 新日本製鐵株式会社 | 一方向性電磁鋼板の製造方法 |
JPH05295440A (ja) * | 1992-04-22 | 1993-11-09 | Nippon Steel Corp | 急冷凝固薄鋳片を用いた一方向性電磁鋼板の製造方法 |
US5288736A (en) * | 1992-11-12 | 1994-02-22 | Armco Inc. | Method for producing regular grain oriented electrical steel using a single stage cold reduction |
US5643370A (en) | 1995-05-16 | 1997-07-01 | Armco Inc. | Grain oriented electrical steel having high volume resistivity and method for producing same |
IT1285153B1 (it) | 1996-09-05 | 1998-06-03 | Acciai Speciali Terni Spa | Procedimento per la produzione di lamierino magnetico a grano orientato, a partire da bramma sottile. |
US5702539A (en) * | 1997-02-28 | 1997-12-30 | Armco Inc. | Method for producing silicon-chromium grain orieted electrical steel |
DE19807122C2 (de) * | 1998-02-20 | 2000-03-23 | Thyssenkrupp Stahl Ag | Verfahren zur Herstellung von nichtkornorientiertem Elektroblech |
WO1999053113A1 (fr) * | 1998-04-08 | 1999-10-21 | Kawasaki Steel Corporation | Feuille d'acier pour boite boissons et procede de fabrication correspondant |
-
2000
- 2000-12-18 IT IT2000RM000677A patent/IT1316030B1/it active
-
2001
- 2001-12-18 AT AT01985423T patent/ATE289361T1/de active
- 2001-12-18 PL PL362325A patent/PL198248B1/pl unknown
- 2001-12-18 CZ CZ20031688A patent/CZ20031688A3/cs unknown
- 2001-12-18 KR KR1020037008097A patent/KR100781839B1/ko active IP Right Grant
- 2001-12-18 SK SK756-2003A patent/SK286521B6/sk not_active IP Right Cessation
- 2001-12-18 BR BRPI0116244-6A patent/BR0116244B1/pt not_active IP Right Cessation
- 2001-12-18 RU RU2003122338/02A patent/RU2288959C2/ru not_active IP Right Cessation
- 2001-12-18 US US10/450,969 patent/US6964711B2/en not_active Expired - Lifetime
- 2001-12-18 JP JP2002551194A patent/JP4697841B2/ja not_active Expired - Fee Related
- 2001-12-18 ES ES01985423T patent/ES2238489T3/es not_active Expired - Lifetime
- 2001-12-18 AU AU2002234590A patent/AU2002234590A1/en not_active Abandoned
- 2001-12-18 DE DE60108985T patent/DE60108985T2/de not_active Expired - Lifetime
- 2001-12-18 WO PCT/EP2001/014966 patent/WO2002050315A2/en active IP Right Grant
- 2001-12-18 CN CNB01820838XA patent/CN100352952C/zh not_active Expired - Fee Related
- 2001-12-18 EP EP01985423A patent/EP1356126B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
RU2003122338A (ru) | 2005-01-10 |
ES2238489T3 (es) | 2005-09-01 |
SK7562003A3 (en) | 2003-10-07 |
ITRM20000677A1 (it) | 2002-06-18 |
SK286521B6 (sk) | 2008-12-05 |
CZ20031688A3 (cs) | 2004-02-18 |
DE60108985D1 (de) | 2005-03-24 |
AU2002234590A1 (en) | 2002-07-01 |
WO2002050315A2 (en) | 2002-06-27 |
US20050115643A1 (en) | 2005-06-02 |
ATE289361T1 (de) | 2005-03-15 |
BR0116244A (pt) | 2004-02-25 |
BR0116244B1 (pt) | 2010-07-13 |
IT1316030B1 (it) | 2003-03-26 |
ITRM20000677A0 (it) | 2000-12-18 |
DE60108985T2 (de) | 2006-04-13 |
RU2288959C2 (ru) | 2006-12-10 |
US6964711B2 (en) | 2005-11-15 |
KR100781839B1 (ko) | 2007-12-03 |
CN1481445A (zh) | 2004-03-10 |
CN100352952C (zh) | 2007-12-05 |
EP1356126A2 (en) | 2003-10-29 |
EP1356126B1 (en) | 2005-02-16 |
JP2004526862A (ja) | 2004-09-02 |
PL362325A1 (en) | 2004-10-18 |
PL198248B1 (pl) | 2008-06-30 |
WO2002050315A3 (en) | 2002-08-15 |
JP4697841B2 (ja) | 2011-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100781839B1 (ko) | 방향성 전기 강판 스트립의 제조 방법 | |
KR100441234B1 (ko) | 높은체적저항률을갖는결정립방향성전기강및그제조방법 | |
JP2004526862A5 (ko) | ||
CA2781916A1 (en) | Process to manufacture grain-oriented electrical steel strip and grain-oriented electrical steel produced thereby | |
PL182835B1 (pl) | Sposób wytwarzania z cienkich wlewków elektrotechnicznych, teksturowanych taśm stalowych | |
EP1356127B9 (en) | Process for the production of grain oriented electrical steel strips | |
EP0307905B1 (en) | Method for producing grainoriented electrical steel sheet with very high magnetic flux density | |
US7198682B2 (en) | Process for the production of grain oriented electrical steel | |
KR100288351B1 (ko) | 한단계의 냉간압연공정을 사용하는 표준 결정립 방향성 전기강 제조 방법 | |
JP5005873B2 (ja) | 方向性電磁鋼帯を製造する方法 | |
US4416707A (en) | Secondary recrystallized oriented low-alloy iron | |
JPS5945730B2 (ja) | 高磁束密度一方向性珪素鋼板の熱延方法 | |
EP0537398B2 (en) | Method of making regular grain oriented silicon steel without a hot band anneal | |
JPH08931B2 (ja) | 連続焼鈍による粒子加速器用鋼板の製造方法 | |
Schoen | High temperature grain growth during slab reheating of oriented 3 pct Si-Fe made using continuous casting | |
JPH01162725A (ja) | 磁気特性の良好な珪素鋼板の製造方法 | |
JPH0762437A (ja) | 極めて低い鉄損をもつ一方向性電磁鋼板の製造方法 | |
KR100479995B1 (ko) | 자속밀도가 우수한 방향성 전기강판의 제조방법 | |
JPH0222422A (ja) | 磁気特性に優れた一方向性けい素鋼板の製造方法 | |
JPH0257125B2 (ko) | ||
JP3073598B2 (ja) | 磁束密度の高い一方向性電磁鋼板の製造方法 | |
JPH0693334A (ja) | 熱鋼帯焼なましなしの標準結晶粒配向珪素鋼の製法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121017 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20131024 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20141103 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20151030 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20161028 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20171027 Year of fee payment: 11 |