JP4659135B2 - 無方向性電磁鋼板及びその製造方法 - Google Patents
無方向性電磁鋼板及びその製造方法 Download PDFInfo
- Publication number
- JP4659135B2 JP4659135B2 JP2010508206A JP2010508206A JP4659135B2 JP 4659135 B2 JP4659135 B2 JP 4659135B2 JP 2010508206 A JP2010508206 A JP 2010508206A JP 2010508206 A JP2010508206 A JP 2010508206A JP 4659135 B2 JP4659135 B2 JP 4659135B2
- Authority
- JP
- Japan
- Prior art keywords
- content
- less
- hot
- mass
- oriented electrical
- 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.)
- Active
Links
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000137 annealing Methods 0.000 claims description 71
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 238000001953 recrystallisation Methods 0.000 claims description 21
- 238000005097 cold rolling Methods 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 13
- 230000014509 gene expression Effects 0.000 claims description 11
- 238000005098 hot rolling Methods 0.000 claims description 11
- 238000002791 soaking Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000009863 impact test Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 238000005554 pickling Methods 0.000 claims description 8
- 238000009864 tensile test Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 28
- 239000013078 crystal Substances 0.000 description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 229910052719 titanium Inorganic materials 0.000 description 18
- 229910052720 vanadium Inorganic materials 0.000 description 18
- 229910052758 niobium Inorganic materials 0.000 description 17
- 229910052726 zirconium Inorganic materials 0.000 description 17
- 239000002244 precipitate Substances 0.000 description 16
- 229910052799 carbon Inorganic materials 0.000 description 14
- 150000004767 nitrides Chemical class 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 238000001556 precipitation Methods 0.000 description 11
- 238000005728 strengthening Methods 0.000 description 11
- 229910052748 manganese Inorganic materials 0.000 description 10
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 239000011162 core material Substances 0.000 description 7
- 230000004907 flux Effects 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000006104 solid solution Substances 0.000 description 5
- 150000001247 metal acetylides Chemical class 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 201000004384 Alopecia Diseases 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003676 hair loss Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
-
- 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
- C21D8/1272—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
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
-
- 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
- C21D2211/004—Dispersions; Precipitations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
Landscapes
- 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)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008104940 | 2008-04-14 | ||
JP2008104940 | 2008-04-14 | ||
PCT/JP2009/057453 WO2009128428A1 (fr) | 2008-04-14 | 2009-04-13 | Tôle d'acier magnétique non orientée à haute résistance et procédé de fabrication de la tôle d'acier magnétique non orientée à haute résistance |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4659135B2 true JP4659135B2 (ja) | 2011-03-30 |
JPWO2009128428A1 JPWO2009128428A1 (ja) | 2011-08-04 |
Family
ID=41199119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010508206A Active JP4659135B2 (ja) | 2008-04-14 | 2009-04-13 | 無方向性電磁鋼板及びその製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110056592A1 (fr) |
EP (1) | EP2278034B1 (fr) |
JP (1) | JP4659135B2 (fr) |
KR (1) | KR20100122116A (fr) |
CN (1) | CN102007226B (fr) |
BR (1) | BRPI0910984B8 (fr) |
PL (1) | PL2278034T3 (fr) |
TW (1) | TWI404806B (fr) |
WO (1) | WO2009128428A1 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100973627B1 (ko) * | 2005-07-07 | 2010-08-02 | 수미도모 메탈 인더스트리즈, 리미티드 | 무방향성 전자 강판 및 그 제조 방법 |
CN102453838A (zh) | 2010-10-25 | 2012-05-16 | 宝山钢铁股份有限公司 | 一种较高磁感的高强度无取向电工钢及其制造方法 |
US9260764B2 (en) * | 2010-12-23 | 2016-02-16 | Posco | Low iron loss high strength non-oriented electromagnetic steel sheet and method for manufacturing same |
RU2536711C1 (ru) * | 2011-02-24 | 2014-12-27 | ДжФЕ СТИЛ КОРПОРЕЙШН | Лист из нетекстурированной электротехнической стали и способ его изготовления |
KR101570591B1 (ko) | 2011-04-13 | 2015-11-19 | 신닛테츠스미킨 카부시키카이샤 | 고강도 무방향성 전자기 강판 |
KR20150116908A (ko) * | 2011-08-18 | 2015-10-16 | 신닛테츠스미킨 카부시키카이샤 | 무방향성 전자기 강판, 그 제조 방법, 모터 철심용 적층체 및 그 제조 방법 |
PL3173503T3 (pl) | 2011-08-18 | 2019-04-30 | Nippon Steel & Sumitomo Metal Corp | Sposób wytwarzania niezorientowanej blachy ze stali elektrotechnicznej |
TWI439010B (zh) | 2011-11-11 | 2014-05-21 | Ind Tech Res Inst | 運用於旋轉電機裝置之分段式導磁結構 |
WO2013069754A1 (fr) | 2011-11-11 | 2013-05-16 | 新日鐵住金株式会社 | Tôle d'acier électromagnétique anisotrope et son procédé de production |
WO2016002904A1 (fr) * | 2014-07-02 | 2016-01-07 | 新日鐵住金株式会社 | Tôle d'acier électromagnétique non orientée, et procédé de fabrication de celle-ci |
KR101961057B1 (ko) | 2015-03-17 | 2019-03-21 | 신닛테츠스미킨 카부시키카이샤 | 무방향성 전자 강판 및 그 제조 방법 |
JP6763148B2 (ja) * | 2016-02-04 | 2020-09-30 | 日本製鉄株式会社 | 無方向性電磁鋼板 |
WO2021206047A1 (fr) * | 2020-04-07 | 2021-10-14 | 日本製鉄株式会社 | Brame et son procédé de coulage continu |
CN112375965A (zh) * | 2020-10-17 | 2021-02-19 | 北京科技大学 | 一种含Cu高强度低铁损无取向高硅钢的制备方法 |
CN114657461B (zh) * | 2022-02-25 | 2023-08-08 | 东北大学 | 一种基于固溶强化的高强度无取向硅钢及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005033349A1 (fr) * | 2003-10-06 | 2005-04-14 | Nippon Steel Corporation | Feuille d'acier magnetique a haute resistance et piece travaillee fabriquee a partir d'une telle feuille, et leur procede de production |
JP2007162097A (ja) * | 2005-12-15 | 2007-06-28 | Sumitomo Metal Ind Ltd | 回転子用無方向性電磁鋼板の製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62256917A (ja) | 1986-04-28 | 1987-11-09 | Nippon Steel Corp | 回転機用高抗張力無方向性電磁鋼板およびその製造方法 |
JP3305806B2 (ja) | 1993-05-21 | 2002-07-24 | 新日本製鐵株式会社 | 高張力無方向性電磁鋼板の製造方法 |
JP3239988B2 (ja) | 1996-06-28 | 2001-12-17 | 住友金属工業株式会社 | 磁気特性に優れた高強度無方向性電磁鋼板およびその製造方法 |
JP2004084053A (ja) * | 2002-06-26 | 2004-03-18 | Nippon Steel Corp | 磁気特性の著しく優れた電磁鋼板とその製造方法 |
EP1580289B1 (fr) * | 2002-12-05 | 2015-02-11 | JFE Steel Corporation | Tole d'acier magnetique non oriente et procede de production |
CN101321883B (zh) * | 2005-11-30 | 2010-12-08 | 住友金属工业株式会社 | 无方向性电磁钢板及其制造方法 |
JPWO2007144964A1 (ja) * | 2006-06-16 | 2009-10-29 | 新日本製鐵株式会社 | 高強度電磁鋼板およびその製造方法 |
-
2009
- 2009-04-13 WO PCT/JP2009/057453 patent/WO2009128428A1/fr active Application Filing
- 2009-04-13 BR BRPI0910984A patent/BRPI0910984B8/pt active IP Right Grant
- 2009-04-13 CN CN2009801130902A patent/CN102007226B/zh active Active
- 2009-04-13 JP JP2010508206A patent/JP4659135B2/ja active Active
- 2009-04-13 PL PL09732579T patent/PL2278034T3/pl unknown
- 2009-04-13 EP EP09732579.9A patent/EP2278034B1/fr active Active
- 2009-04-13 US US12/922,772 patent/US20110056592A1/en not_active Abandoned
- 2009-04-13 KR KR1020107022839A patent/KR20100122116A/ko not_active Application Discontinuation
- 2009-04-14 TW TW098112291A patent/TWI404806B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005033349A1 (fr) * | 2003-10-06 | 2005-04-14 | Nippon Steel Corporation | Feuille d'acier magnetique a haute resistance et piece travaillee fabriquee a partir d'une telle feuille, et leur procede de production |
JP2007162097A (ja) * | 2005-12-15 | 2007-06-28 | Sumitomo Metal Ind Ltd | 回転子用無方向性電磁鋼板の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2278034B1 (fr) | 2020-02-12 |
TW200946695A (en) | 2009-11-16 |
TWI404806B (zh) | 2013-08-11 |
KR20100122116A (ko) | 2010-11-19 |
CN102007226A (zh) | 2011-04-06 |
CN102007226B (zh) | 2013-11-06 |
BRPI0910984A2 (pt) | 2016-01-05 |
JPWO2009128428A1 (ja) | 2011-08-04 |
US20110056592A1 (en) | 2011-03-10 |
BRPI0910984B8 (pt) | 2018-09-25 |
WO2009128428A1 (fr) | 2009-10-22 |
EP2278034A1 (fr) | 2011-01-26 |
PL2278034T3 (pl) | 2020-06-29 |
BRPI0910984B1 (pt) | 2018-06-05 |
EP2278034A4 (fr) | 2017-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4659135B2 (ja) | 無方向性電磁鋼板及びその製造方法 | |
JP5228379B2 (ja) | 強度と磁気特性に優れた無方向性電磁鋼板とその製造方法 | |
JP5146169B2 (ja) | 高強度無方向性電磁鋼板およびその製造方法 | |
KR101011965B1 (ko) | 고강도 무방향성 전자 강판 및 그 제조 방법 | |
JP5267747B2 (ja) | 高強度無方向性電磁鋼板 | |
JP4585609B2 (ja) | 高周波鉄損の低い無方向性電磁鋼板及びその製造方法 | |
JP5076510B2 (ja) | 回転子用無方向性電磁鋼板およびその製造方法 | |
JP5194535B2 (ja) | 高強度無方向性電磁鋼板 | |
JP5532187B2 (ja) | 電磁鋼板の製造方法 | |
JP5028992B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
JP4853392B2 (ja) | 回転子用無方向性電磁鋼板およびその製造方法 | |
JP4710458B2 (ja) | 回転子用無方向性電磁鋼板の製造方法 | |
JP4349340B2 (ja) | Cu含有無方向性電磁鋼板の製造方法 | |
JP4415933B2 (ja) | 回転子用無方向性電磁鋼板の製造方法 | |
JP4306490B2 (ja) | 鉄損の低い高強度無方向性電磁鋼板の製造方法 | |
JP4280139B2 (ja) | 無方向性電磁鋼板とその製造方法 | |
JP6852965B2 (ja) | 電磁鋼板とその製造方法 | |
JP2009001864A (ja) | 回転子用無方向性電磁鋼板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101130 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140107 Year of fee payment: 3 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 4659135 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140107 Year of fee payment: 3 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140107 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |