CN100413980C - 没有无机矿物皮膜的晶粒取向性硅钢板的制造方法 - Google Patents
没有无机矿物皮膜的晶粒取向性硅钢板的制造方法 Download PDFInfo
- Publication number
- CN100413980C CN100413980C CNB028013514A CN02801351A CN100413980C CN 100413980 C CN100413980 C CN 100413980C CN B028013514 A CNB028013514 A CN B028013514A CN 02801351 A CN02801351 A CN 02801351A CN 100413980 C CN100413980 C CN 100413980C
- Authority
- CN
- China
- Prior art keywords
- steel plate
- aluminum oxide
- residual
- annealing
- specific surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 title abstract description 4
- 238000000576 coating method Methods 0.000 title abstract description 4
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 title description 182
- 239000010959 steel Substances 0.000 title description 182
- 238000000137 annealing Methods 0.000 claims abstract description 104
- 239000000843 powder Substances 0.000 claims abstract description 69
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 47
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000003921 oil Substances 0.000 claims abstract description 39
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 36
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 35
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 120
- 238000001354 calcination Methods 0.000 claims description 44
- 210000000981 epithelium Anatomy 0.000 claims description 38
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 28
- 238000002360 preparation method Methods 0.000 claims description 19
- 238000002441 X-ray diffraction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052839 forsterite Inorganic materials 0.000 abstract description 15
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000001747 exhibiting effect Effects 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 2
- 230000002265 prevention Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 112
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 69
- 239000001301 oxygen Substances 0.000 description 69
- 229910052760 oxygen Inorganic materials 0.000 description 69
- 230000000052 comparative effect Effects 0.000 description 42
- 235000019198 oils Nutrition 0.000 description 37
- 239000002002 slurry Substances 0.000 description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 239000012299 nitrogen atmosphere Substances 0.000 description 20
- 238000001035 drying Methods 0.000 description 19
- 239000010960 cold rolled steel Substances 0.000 description 15
- 238000011010 flushing procedure Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- 239000000377 silicon dioxide Substances 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 12
- 235000012239 silicon dioxide Nutrition 0.000 description 11
- 229960001866 silicon dioxide Drugs 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000001953 recrystallisation Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 7
- 239000004744 fabric Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- CNGGOAOYPQGTLH-UHFFFAOYSA-N [O-2].[O-2].[Mg+2].[Al+3] Chemical compound [O-2].[O-2].[Mg+2].[Al+3] CNGGOAOYPQGTLH-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004445 quantitative analysis Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 238000013475 authorization Methods 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910004283 SiO 4 Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 150000003016 phosphoric acids Chemical class 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001002 morphogenetic effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- -1 sulphur compound Chemical class 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
-
- 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
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
-
- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
-
- 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
- C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Chemical Treatment Of Metals (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP124882/2001 | 2001-04-23 | ||
JP2001124882 | 2001-04-23 | ||
JP124882/01 | 2001-04-23 | ||
JP2001172913 | 2001-06-07 | ||
JP172913/01 | 2001-06-07 | ||
JP172885/01 | 2001-06-07 | ||
JP2001172885 | 2001-06-07 | ||
JP172913/2001 | 2001-06-07 | ||
JP172885/2001 | 2001-06-07 | ||
JP2001220228 | 2001-07-19 | ||
JP220228/01 | 2001-07-19 | ||
JP220228/2001 | 2001-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1462315A CN1462315A (zh) | 2003-12-17 |
CN100413980C true CN100413980C (zh) | 2008-08-27 |
Family
ID=27482231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028013514A Expired - Lifetime CN100413980C (zh) | 2001-04-23 | 2002-04-23 | 没有无机矿物皮膜的晶粒取向性硅钢板的制造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6733599B2 (zh) |
EP (1) | EP1298225B1 (zh) |
JP (1) | JP4184809B2 (zh) |
KR (1) | KR100542618B1 (zh) |
CN (1) | CN100413980C (zh) |
DE (1) | DE60235862D1 (zh) |
WO (1) | WO2002088403A1 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100369986C (zh) * | 2005-12-05 | 2008-02-20 | 高申明 | 复合刚玉水基粉状涂料 |
JP5262436B2 (ja) * | 2008-08-27 | 2013-08-14 | Jfeスチール株式会社 | 磁気測定方法および装置 |
CN102453793B (zh) * | 2010-10-25 | 2013-09-25 | 宝山钢铁股份有限公司 | 用于具有优良磁性能的镜面取向硅钢制备的退火隔离剂 |
CN103014285B (zh) * | 2011-09-28 | 2015-04-01 | 宝山钢铁股份有限公司 | 具有优良磁性能的镜面取向硅钢制造方法及退火隔离剂 |
CN103114181A (zh) * | 2013-01-24 | 2013-05-22 | 广东盈泉钢制品有限公司 | 一种取向硅钢隔离涂层的涂料配方 |
KR101651431B1 (ko) * | 2014-11-14 | 2016-08-26 | 주식회사 포스코 | 방향성 전기강판의 제조방법 |
KR102419354B1 (ko) | 2017-07-13 | 2022-07-13 | 닛폰세이테츠 가부시키가이샤 | 방향성 전자 강판 및 그 제조 방법 |
PL3653758T3 (pl) | 2017-07-13 | 2022-07-04 | Nippon Steel Corporation | Blacha cienka ze stali elektrotechnicznej o ziarnach zorientowanych |
CN108977638B (zh) * | 2018-08-24 | 2020-05-19 | 首钢智新迁安电磁材料有限公司 | 一种取向硅钢退火隔离剂及其使用方法 |
KR102179215B1 (ko) * | 2018-12-19 | 2020-11-16 | 주식회사 포스코 | 방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 방향성 전기강판의 제조방법 |
BR112021013739A2 (pt) | 2019-01-16 | 2021-09-21 | Nippon Steel Corporation | Método para produzir uma chapa de aço elétrico de grão orientado |
RU2767356C1 (ru) | 2019-01-16 | 2022-03-17 | Ниппон Стил Корпорейшн | Способ производства листа электротехнической стали с ориентированной зеренной структурой |
KR20210111280A (ko) | 2019-01-16 | 2021-09-10 | 닛폰세이테츠 가부시키가이샤 | 방향성 전자 강판, 방향성 전자 강판용의 중간 강판 및 그것들의 제조 방법 |
US20220090246A1 (en) | 2019-01-16 | 2022-03-24 | Nippon Steel Corporation | Method for producing grain oriented electrical steel sheet |
US20220090240A1 (en) * | 2019-01-16 | 2022-03-24 | Nippon Steel Corporation | Method of manufacturing grain-oriented electrical steel sheet |
EP3913091A4 (en) | 2019-01-16 | 2022-10-12 | Nippon Steel Corporation | METHOD FOR MANUFACTURING A GRAIN ORIENTED ELECTRICAL STEEL SHEET |
PL3913077T3 (pl) | 2019-01-16 | 2024-04-08 | Nippon Steel Corporation | Sposób wytwarzania blachy cienkiej ze stali elektrotechnicznej o ziarnach zorientowanych |
JP7269504B2 (ja) | 2019-01-16 | 2023-05-09 | 日本製鉄株式会社 | 方向性電磁鋼板の製造方法 |
EP3913095A4 (en) | 2019-01-16 | 2022-09-28 | Nippon Steel Corporation | PROCESS FOR THE PRODUCTION OF A CORNORATED ELECTRICAL STEEL SHEET |
BR112021013547A2 (pt) | 2019-01-16 | 2021-09-14 | Nippon Steel Corporation | Método para produzir uma chapa de aço elétrico de grão orientado |
JP7256405B2 (ja) * | 2019-01-16 | 2023-04-12 | 日本製鉄株式会社 | 一方向性電磁鋼板およびその製造方法 |
CN113302323B (zh) * | 2019-01-16 | 2024-02-13 | 日本制铁株式会社 | 方向性电磁钢板 |
US20220106661A1 (en) | 2019-01-16 | 2022-04-07 | Nippon Steel Corporation | Method for producing grain oriented electrical steel sheet |
EP4350032A1 (en) | 2021-05-28 | 2024-04-10 | Nippon Steel Corporation | Oriented electromagnetic steel sheet |
CN117396633A (zh) | 2021-05-28 | 2024-01-12 | 日本制铁株式会社 | 方向性电磁钢板 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0762427A (ja) * | 1993-08-26 | 1995-03-07 | Nippon Steel Corp | 一方向性珪素鋼板用焼鈍分離剤 |
JPH07118750A (ja) * | 1993-10-26 | 1995-05-09 | Nippon Steel Corp | 鉄損の低い鏡面方向性電磁鋼板の製造方法 |
JPH09256068A (ja) * | 1996-03-25 | 1997-09-30 | Nippon Steel Corp | 優れたグラス被膜を得るための方向性電磁鋼板の製造方法 |
CN1180754A (zh) * | 1996-08-08 | 1998-05-06 | 川崎制铁株式会社 | 单取向硅钢板的制造方法 |
JPH11302731A (ja) * | 1998-04-24 | 1999-11-02 | Kawasaki Steel Corp | 磁気特性および打抜き性に優れた方向性珪素鋼板の製造方法 |
JP2000038615A (ja) * | 1998-07-21 | 2000-02-08 | Nippon Steel Corp | 鏡面方向性電磁鋼板の製造方法 |
CN1258751A (zh) * | 2000-01-06 | 2000-07-05 | 武汉钢铁(集团)公司 | 用明火加热生产取向硅钢板的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4813814B1 (zh) * | 1969-12-18 | 1973-05-01 | ||
US4582547A (en) * | 1984-05-07 | 1986-04-15 | Allegheny Ludlum Steel Corporation | Method for improving the annealing separator coating on silicon steel and coating therefor |
US4871402A (en) * | 1986-12-29 | 1989-10-03 | Allegheny Ludlum Corporation | Separating-agent composition and method using same |
JP3921806B2 (ja) * | 1998-04-24 | 2007-05-30 | Jfeスチール株式会社 | 方向性珪素鋼板の製造方法 |
-
2002
- 2002-04-23 US US10/312,115 patent/US6733599B2/en not_active Expired - Lifetime
- 2002-04-23 JP JP2002585681A patent/JP4184809B2/ja not_active Expired - Lifetime
- 2002-04-23 EP EP02720581A patent/EP1298225B1/en not_active Expired - Lifetime
- 2002-04-23 KR KR1020027017585A patent/KR100542618B1/ko active IP Right Grant
- 2002-04-23 CN CNB028013514A patent/CN100413980C/zh not_active Expired - Lifetime
- 2002-04-23 WO PCT/JP2002/004051 patent/WO2002088403A1/ja active IP Right Grant
- 2002-04-23 DE DE60235862T patent/DE60235862D1/de not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0762427A (ja) * | 1993-08-26 | 1995-03-07 | Nippon Steel Corp | 一方向性珪素鋼板用焼鈍分離剤 |
JPH07118750A (ja) * | 1993-10-26 | 1995-05-09 | Nippon Steel Corp | 鉄損の低い鏡面方向性電磁鋼板の製造方法 |
JPH09256068A (ja) * | 1996-03-25 | 1997-09-30 | Nippon Steel Corp | 優れたグラス被膜を得るための方向性電磁鋼板の製造方法 |
CN1180754A (zh) * | 1996-08-08 | 1998-05-06 | 川崎制铁株式会社 | 单取向硅钢板的制造方法 |
JPH11302731A (ja) * | 1998-04-24 | 1999-11-02 | Kawasaki Steel Corp | 磁気特性および打抜き性に優れた方向性珪素鋼板の製造方法 |
JP2000038615A (ja) * | 1998-07-21 | 2000-02-08 | Nippon Steel Corp | 鏡面方向性電磁鋼板の製造方法 |
CN1258751A (zh) * | 2000-01-06 | 2000-07-05 | 武汉钢铁(集团)公司 | 用明火加热生产取向硅钢板的方法 |
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KR20040000302A (ko) | 2004-01-03 |
EP1298225A1 (en) | 2003-04-02 |
DE60235862D1 (de) | 2010-05-20 |
US6733599B2 (en) | 2004-05-11 |
WO2002088403A1 (fr) | 2002-11-07 |
EP1298225A4 (en) | 2006-01-11 |
CN1462315A (zh) | 2003-12-17 |
JPWO2002088403A1 (ja) | 2004-08-19 |
EP1298225B1 (en) | 2010-04-07 |
US20030188806A1 (en) | 2003-10-09 |
JP4184809B2 (ja) | 2008-11-19 |
KR100542618B1 (ko) | 2006-01-11 |
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