KR101713802B1 - 펀칭 가공에 의한 철손 특성의 열화가 작은 무방향성 전자 강판 - Google Patents
펀칭 가공에 의한 철손 특성의 열화가 작은 무방향성 전자 강판 Download PDFInfo
- Publication number
- KR101713802B1 KR101713802B1 KR1020157001046A KR20157001046A KR101713802B1 KR 101713802 B1 KR101713802 B1 KR 101713802B1 KR 1020157001046 A KR1020157001046 A KR 1020157001046A KR 20157001046 A KR20157001046 A KR 20157001046A KR 101713802 B1 KR101713802 B1 KR 101713802B1
- Authority
- KR
- South Korea
- Prior art keywords
- mass
- iron loss
- steel sheet
- punching
- less
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 51
- 238000004080 punching Methods 0.000 title claims abstract description 39
- 230000006866 deterioration Effects 0.000 title abstract description 18
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 title description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 17
- 229910052787 antimony Inorganic materials 0.000 claims description 5
- 238000012360 testing method Methods 0.000 description 24
- 238000000137 annealing Methods 0.000 description 16
- 239000013078 crystal Substances 0.000 description 15
- 239000000047 product Substances 0.000 description 12
- 229910052785 arsenic Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005097 cold rolling Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 229910052711 selenium Inorganic materials 0.000 description 6
- 239000011162 core material Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 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
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- 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
- C22C38/02—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
- C22C38/002—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
- C22C38/04—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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
-
- 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
- H01F1/14766—Fe-Si based alloys
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
-
- 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
- C21D8/1216—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
- 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
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2012-182322 | 2012-08-21 | ||
| JP2012182322A JP5533958B2 (ja) | 2012-08-21 | 2012-08-21 | 打抜加工による鉄損劣化の小さい無方向性電磁鋼板 |
| PCT/JP2013/070836 WO2014030512A1 (ja) | 2012-08-21 | 2013-08-01 | 打抜加工による鉄損特性の劣化が小さい無方向性電磁鋼板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20150023770A KR20150023770A (ko) | 2015-03-05 |
| KR101713802B1 true KR101713802B1 (ko) | 2017-03-08 |
Family
ID=50149822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020157001046A Active KR101713802B1 (ko) | 2012-08-21 | 2013-08-01 | 펀칭 가공에 의한 철손 특성의 열화가 작은 무방향성 전자 강판 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9767946B2 (enExample) |
| EP (1) | EP2889389B8 (enExample) |
| JP (1) | JP5533958B2 (enExample) |
| KR (1) | KR101713802B1 (enExample) |
| IN (1) | IN2015DN00825A (enExample) |
| TW (1) | TWI479032B (enExample) |
| WO (1) | WO2014030512A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6057082B2 (ja) | 2013-03-13 | 2017-01-11 | Jfeスチール株式会社 | 磁気特性に優れる無方向性電磁鋼板 |
| JP5995002B2 (ja) | 2013-08-20 | 2016-09-21 | Jfeスチール株式会社 | 高磁束密度無方向性電磁鋼板およびモータ |
| RU2665645C1 (ru) * | 2014-10-30 | 2018-09-03 | ДжФЕ СТИЛ КОРПОРЕЙШН | Неориентированная листовая электротехническая сталь и способ изготовления неориентированной листовой электротехнической стали |
| JP6233374B2 (ja) * | 2014-11-19 | 2017-11-22 | Jfeスチール株式会社 | 高けい素鋼板 |
| US10316382B2 (en) | 2015-02-24 | 2019-06-11 | Jfe Steel Corporation | Method for producing non-oriented electrical steel sheets |
| JP6327181B2 (ja) * | 2015-03-13 | 2018-05-23 | Jfeスチール株式会社 | 高けい素鋼板 |
| CN108474070B (zh) * | 2015-12-28 | 2021-01-12 | 杰富意钢铁株式会社 | 无取向性电磁钢板和无取向性电磁钢板的制造方法 |
| JP6738047B2 (ja) | 2017-05-31 | 2020-08-12 | Jfeスチール株式会社 | 無方向性電磁鋼板とその製造方法 |
| KR102003857B1 (ko) * | 2017-10-27 | 2019-10-17 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102009392B1 (ko) * | 2017-12-26 | 2019-08-09 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| CN108857578B (zh) * | 2018-05-07 | 2019-07-05 | 马鞍山钢铁股份有限公司 | 一种磁性能试验板件剪切质量监控方法 |
| CN112912186B (zh) * | 2018-10-24 | 2023-04-07 | 日本制铁株式会社 | 无取向电磁钢板和使用其的层叠铁芯的制造方法 |
| WO2020091043A1 (ja) * | 2018-11-02 | 2020-05-07 | 日本製鉄株式会社 | 無方向性電磁鋼板 |
| US12148555B2 (en) * | 2018-11-02 | 2024-11-19 | Nippon Steel Corporation | Non-oriented electrical steel sheet |
| KR102175065B1 (ko) | 2018-11-30 | 2020-11-05 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| CN113166823A (zh) * | 2018-12-27 | 2021-07-23 | 杰富意钢铁株式会社 | 无方向性电磁钢板 |
| KR102278897B1 (ko) * | 2019-12-19 | 2021-07-16 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
| KR102794711B1 (ko) * | 2020-04-02 | 2025-04-16 | 닛폰세이테츠 가부시키가이샤 | 무방향성 전자 강판 및 그 제조 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003243214A (ja) | 2002-02-18 | 2003-08-29 | Jfe Steel Kk | モータ鉄心用無方向性電磁鋼板とその製造方法 |
| JP2008050686A (ja) | 2006-07-27 | 2008-03-06 | Nippon Steel Corp | 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 |
| JP2008231504A (ja) | 2007-03-20 | 2008-10-02 | Jfe Steel Kk | 無方向性電磁鋼板 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853694B2 (ja) * | 1980-08-07 | 1983-11-30 | 川崎製鉄株式会社 | 優れた磁気特性を有する面内無方向性高珪素鋼薄帯の製造方法 |
| DE3135438A1 (de) | 1981-09-08 | 1983-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | Vakuumfluegelpumpe |
| JP2540946B2 (ja) | 1989-06-30 | 1996-10-09 | 日本鋼管株式会社 | 磁気特性に優れた無方向性電磁鋼板およびその製造方法 |
| JP2970436B2 (ja) | 1994-11-11 | 1999-11-02 | 住友金属工業株式会社 | フルプロセス無方向性電磁鋼板の製造方法 |
| DE69625845T2 (de) * | 1995-05-02 | 2003-12-24 | Sumitomo Metal Industries, Ltd. | Magnetisches Stahlblech mit verbesserten magnetischen Eigenschaften und verbesserter Stanzbarkeit |
| JP4264987B2 (ja) * | 1997-06-27 | 2009-05-20 | Jfeスチール株式会社 | 無方向性電磁鋼板 |
| JPH11131196A (ja) * | 1997-10-30 | 1999-05-18 | Nkk Corp | 鉄損の低い無方向性電磁鋼板 |
| JP3883030B2 (ja) * | 1998-06-03 | 2007-02-21 | Jfeスチール株式会社 | 無方向性電磁鋼板 |
| CN1102670C (zh) * | 1999-06-16 | 2003-03-05 | 住友金属工业株式会社 | 无方向性电磁钢片及其制造方法 |
| JP4019608B2 (ja) | 1999-06-16 | 2007-12-12 | 住友金属工業株式会社 | 無方向性電磁鋼板およびその製造方法 |
| US6436199B1 (en) * | 1999-09-03 | 2002-08-20 | Kawasaki Steel Corporation | Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor |
| JP2001131717A (ja) * | 1999-11-05 | 2001-05-15 | Kawasaki Steel Corp | 打ち抜き性に優れた低鉄損無方向性電磁鋼板 |
| JP2001323344A (ja) * | 2000-05-15 | 2001-11-22 | Kawasaki Steel Corp | 加工性およびリサイクル性に優れた無方向性電磁鋼板 |
| JP2001335897A (ja) * | 2000-05-24 | 2001-12-04 | Kawasaki Steel Corp | 加工性およびリサイクル性に優れた低鉄損かつ高磁束密度の無方向性電磁鋼板 |
| JP2002030397A (ja) | 2000-07-13 | 2002-01-31 | Sumitomo Metal Ind Ltd | 無方向性電磁鋼板とその製造方法 |
| JP3835137B2 (ja) | 2000-07-28 | 2006-10-18 | 住友金属工業株式会社 | 無方向性電磁鋼板およびその製造方法 |
| JP3835216B2 (ja) | 2001-08-09 | 2006-10-18 | 住友金属工業株式会社 | 無方向性電磁鋼板およびその製造方法 |
| JP4319889B2 (ja) * | 2002-12-06 | 2009-08-26 | 新日本製鐵株式会社 | 全周磁気特性の優れた無方向性電磁鋼板及びその製造方法 |
| JP4833523B2 (ja) | 2004-02-17 | 2011-12-07 | 新日本製鐵株式会社 | 電磁鋼板とその製造方法 |
| US7922834B2 (en) * | 2005-07-07 | 2011-04-12 | Sumitomo Metal Industries, Ltd. | Non-oriented electrical steel sheet and production process thereof |
| JP4658840B2 (ja) * | 2006-03-20 | 2011-03-23 | 新日本製鐵株式会社 | 無方向性電磁鋼板の製造方法 |
| JP5200376B2 (ja) | 2006-12-26 | 2013-06-05 | Jfeスチール株式会社 | 無方向性電磁鋼板およびその製造方法 |
| EP2439302B1 (en) | 2009-06-03 | 2016-07-06 | Nippon Steel & Sumitomo Metal Corporation | Non-oriented magnetic steel sheet and method for producing same |
| JP5338750B2 (ja) | 2010-06-09 | 2013-11-13 | Jfeスチール株式会社 | 無方向性電磁鋼板の製造方法 |
| CN102634742B (zh) | 2012-04-01 | 2013-09-25 | 首钢总公司 | 一种无Al的无取向电工钢的制备方法 |
-
2012
- 2012-08-21 JP JP2012182322A patent/JP5533958B2/ja active Active
-
2013
- 2013-08-01 KR KR1020157001046A patent/KR101713802B1/ko active Active
- 2013-08-01 WO PCT/JP2013/070836 patent/WO2014030512A1/ja not_active Ceased
- 2013-08-01 EP EP13830303.7A patent/EP2889389B8/en active Active
- 2013-08-01 IN IN825DEN2015 patent/IN2015DN00825A/en unknown
- 2013-08-01 US US14/418,351 patent/US9767946B2/en active Active
- 2013-08-16 TW TW102129447A patent/TWI479032B/zh active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003243214A (ja) | 2002-02-18 | 2003-08-29 | Jfe Steel Kk | モータ鉄心用無方向性電磁鋼板とその製造方法 |
| JP2008050686A (ja) | 2006-07-27 | 2008-03-06 | Nippon Steel Corp | 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 |
| JP2008231504A (ja) | 2007-03-20 | 2008-10-02 | Jfe Steel Kk | 無方向性電磁鋼板 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI479032B (zh) | 2015-04-01 |
| US9767946B2 (en) | 2017-09-19 |
| EP2889389A1 (en) | 2015-07-01 |
| IN2015DN00825A (enExample) | 2015-06-12 |
| US20150187475A1 (en) | 2015-07-02 |
| EP2889389B1 (en) | 2018-03-28 |
| JP2014040622A (ja) | 2014-03-06 |
| EP2889389B8 (en) | 2018-05-02 |
| WO2014030512A1 (ja) | 2014-02-27 |
| KR20150023770A (ko) | 2015-03-05 |
| CN104302801A (zh) | 2015-01-21 |
| EP2889389A4 (en) | 2016-04-06 |
| TW201413007A (zh) | 2014-04-01 |
| JP5533958B2 (ja) | 2014-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101713802B1 (ko) | 펀칭 가공에 의한 철손 특성의 열화가 작은 무방향성 전자 강판 | |
| US20230065674A1 (en) | Non-oriented electrical steel sheet and method for producing same, and motor core and method for producing same | |
| KR101508082B1 (ko) | 무방향성 전기 강판의 제조 방법 | |
| KR102794669B1 (ko) | 무방향성 전자 강판, 코어, 냉간 압연 강판, 무방향성 전자 강판의 제조 방법 및 냉간 압연 강판의 제조 방법 | |
| KR101981874B1 (ko) | 무방향성 전자 강판과 그 제조 방법 및 모터 코어 | |
| JP6451873B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| KR102248323B1 (ko) | 무방향성 전기 강판 및 그 제조 방법 | |
| KR101499371B1 (ko) | 무방향성 전기 강판의 제조 방법 | |
| JP6319465B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| KR20160015376A (ko) | 고자속 밀도 무방향성 전기 강판 및 모터 | |
| JP2011084761A (ja) | 回転子用無方向性電磁鋼板およびその製造方法 | |
| KR20190077025A (ko) | 무방향성 전기 강판 및 그 제조 방법 | |
| JP5515451B2 (ja) | 分割モータ用コア材料 | |
| JP7744986B2 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| WO2016111088A1 (ja) | 無方向性電磁鋼板およびその製造方法 | |
| JP5181439B2 (ja) | 無方向性電磁鋼板 | |
| JP4622162B2 (ja) | 無方向性電磁鋼板 | |
| CN104302801B (zh) | 冲裁加工导致的铁损特性劣化较小的无方向性电磁钢板 | |
| KR20250087661A (ko) | 무방향성 전자 강판과 그의 제조 방법 | |
| JP2002220643A (ja) | 加工性の良好な低鉄損無方向性電磁鋼板及びその製造方法 | |
| JPH0586454B2 (enExample) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0105 | International application |
Patent event date: 20150115 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20160711 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20170207 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20170302 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20170302 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| FPAY | Annual fee payment |
Payment date: 20200218 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20200218 Start annual number: 4 End annual number: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20210218 Start annual number: 5 End annual number: 5 |
|
| PR1001 | Payment of annual fee |
Payment date: 20220216 Start annual number: 6 End annual number: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 20230220 Start annual number: 7 End annual number: 7 |
|
| PR1001 | Payment of annual fee |
Payment date: 20240219 Start annual number: 8 End annual number: 8 |