EP2278034A4 - High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet - Google Patents

High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet Download PDF

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Publication number
EP2278034A4
EP2278034A4 EP09732579.9A EP09732579A EP2278034A4 EP 2278034 A4 EP2278034 A4 EP 2278034A4 EP 09732579 A EP09732579 A EP 09732579A EP 2278034 A4 EP2278034 A4 EP 2278034A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
magnetic steel
oriented magnetic
strength non
producing
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.)
Granted
Application number
EP09732579.9A
Other languages
German (de)
French (fr)
Other versions
EP2278034B1 (en
EP2278034A1 (en
Inventor
Yoshihiro Arita
Hidekuni Murakami
Yoshiyuki Ushigami
Takeshi Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Priority to PL09732579T priority Critical patent/PL2278034T3/en
Publication of EP2278034A1 publication Critical patent/EP2278034A1/en
Publication of EP2278034A4 publication Critical patent/EP2278034A4/en
Application granted granted Critical
Publication of EP2278034B1 publication Critical patent/EP2278034B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—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
    • 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
    • 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
    • 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
EP09732579.9A 2008-04-14 2009-04-13 High-strength non-oriented electrical steel sheet and method of manufacturing the same Active EP2278034B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09732579T PL2278034T3 (en) 2008-04-14 2009-04-13 High-strength non-oriented electrical steel sheet and method of manufacturing the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008104940 2008-04-14
PCT/JP2009/057453 WO2009128428A1 (en) 2008-04-14 2009-04-13 High-strength non-oriented magnetic steel sheet and process for producing the high-strength non-oriented magnetic steel sheet

Publications (3)

Publication Number Publication Date
EP2278034A1 EP2278034A1 (en) 2011-01-26
EP2278034A4 true EP2278034A4 (en) 2017-01-25
EP2278034B1 EP2278034B1 (en) 2020-02-12

Family

ID=41199119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09732579.9A Active EP2278034B1 (en) 2008-04-14 2009-04-13 High-strength non-oriented electrical steel sheet and method of manufacturing the same

Country Status (9)

Country Link
US (1) US20110056592A1 (en)
EP (1) EP2278034B1 (en)
JP (1) JP4659135B2 (en)
KR (1) KR20100122116A (en)
CN (1) CN102007226B (en)
BR (1) BRPI0910984B8 (en)
PL (1) PL2278034T3 (en)
TW (1) TWI404806B (en)
WO (1) WO2009128428A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007007423A1 (en) * 2005-07-07 2007-01-18 Sumitomo Metal Industries, Ltd. Non-oriented electromagnetic steel sheet and process for producing the same
CN102453838A (en) 2010-10-25 2012-05-16 宝山钢铁股份有限公司 High-strength non-oriented electrical steel with high magnetic induction and manufacturing method thereof
JP5990528B2 (en) * 2010-12-23 2016-09-14 ポスコ Low iron loss high strength non-oriented electrical steel sheet and manufacturing method thereof
CA2822206C (en) * 2011-02-24 2016-09-13 Jfe Steel Corporation Non-oriented electrical steel sheet and method for manufacturing the same
PL2698441T3 (en) * 2011-04-13 2021-01-25 Nippon Steel Corporation High-strength non-oriented electrical steel sheet
CN103534376B (en) * 2011-08-18 2016-08-17 新日铁住金株式会社 Non-oriented electromagnetic steel sheet having, its manufacture method, motor iron core duplexer and manufacture method thereof
EP2746418B1 (en) * 2011-08-18 2016-12-14 Nippon Steel & Sumitomo Metal Corporation Non-oriented eletrical steel sheet, manufacturing method thereof, laminate for motor iron core, and manufacturing method thereof
JP5605518B2 (en) 2011-11-11 2014-10-15 新日鐵住金株式会社 Non-oriented electrical steel sheet and manufacturing method thereof
TWI439010B (en) 2011-11-11 2014-05-21 Ind Tech Res Inst Segmented oriented-permeability structure for a rotating electrical machines
MX2016015754A (en) * 2014-07-02 2017-04-10 Nippon Steel & Sumitomo Metal Corp Non-oriented magnetic steel sheet, and manufacturing method for same.
JP6451832B2 (en) * 2015-03-17 2019-01-16 新日鐵住金株式会社 Non-oriented electrical steel sheet and manufacturing method thereof
JP6763148B2 (en) * 2016-02-04 2020-09-30 日本製鉄株式会社 Non-oriented electrical steel sheet
WO2021206047A1 (en) * 2020-04-07 2021-10-14 日本製鉄株式会社 Slab and method for continuously casting same
CN112375965A (en) * 2020-10-17 2021-02-19 北京科技大学 Preparation method of Cu-containing high-strength low-iron-loss non-oriented high-silicon steel
CN114657461B (en) * 2022-02-25 2023-08-08 东北大学 High-strength non-oriented silicon steel based on solid solution strengthening and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004084053A (en) * 2002-06-26 2004-03-18 Nippon Steel Corp Electromagnetic steel sheet having remarkably superior magnetic property, and manufacturing method therefor
EP1580289A1 (en) * 2002-12-05 2005-09-28 JFE Steel Corporation Non-oriented magnetic steel sheet and method for production thereof
EP1679386A1 (en) * 2003-10-06 2006-07-12 Nippon Steel Corporation High-strength magnetic steel sheet and worked part therefrom, and process for producing them
WO2007063581A1 (en) * 2005-11-30 2007-06-07 Sumitomo Metal Industries, Ltd. Nonoriented electromagnetic steel sheet and process for producing the same
JP2007162097A (en) * 2005-12-15 2007-06-28 Sumitomo Metal Ind Ltd Method for manufacturing non-oriented electromagnetic steel sheet for rotor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62256917A (en) 1986-04-28 1987-11-09 Nippon Steel Corp High-tensile non-oriented electrical steel sheet for rotating machine and its production
JP3305806B2 (en) 1993-05-21 2002-07-24 新日本製鐵株式会社 Manufacturing method of high tensile non-oriented electrical steel sheet
JP3239988B2 (en) 1996-06-28 2001-12-17 住友金属工業株式会社 High-strength non-oriented electrical steel sheet excellent in magnetic properties and method for producing the same
EP2031079B1 (en) * 2006-06-16 2021-01-13 Nippon Steel Corporation High-strength electromagnetic steel sheet and process for producing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004084053A (en) * 2002-06-26 2004-03-18 Nippon Steel Corp Electromagnetic steel sheet having remarkably superior magnetic property, and manufacturing method therefor
EP1580289A1 (en) * 2002-12-05 2005-09-28 JFE Steel Corporation Non-oriented magnetic steel sheet and method for production thereof
EP1679386A1 (en) * 2003-10-06 2006-07-12 Nippon Steel Corporation High-strength magnetic steel sheet and worked part therefrom, and process for producing them
WO2007063581A1 (en) * 2005-11-30 2007-06-07 Sumitomo Metal Industries, Ltd. Nonoriented electromagnetic steel sheet and process for producing the same
JP2007162097A (en) * 2005-12-15 2007-06-28 Sumitomo Metal Ind Ltd Method for manufacturing non-oriented electromagnetic steel sheet for rotor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009128428A1 *

Also Published As

Publication number Publication date
TWI404806B (en) 2013-08-11
CN102007226B (en) 2013-11-06
KR20100122116A (en) 2010-11-19
EP2278034B1 (en) 2020-02-12
EP2278034A1 (en) 2011-01-26
PL2278034T3 (en) 2020-06-29
US20110056592A1 (en) 2011-03-10
JPWO2009128428A1 (en) 2011-08-04
BRPI0910984A2 (en) 2016-01-05
CN102007226A (en) 2011-04-06
TW200946695A (en) 2009-11-16
JP4659135B2 (en) 2011-03-30
BRPI0910984B8 (en) 2018-09-25
BRPI0910984B1 (en) 2018-06-05
WO2009128428A1 (en) 2009-10-22

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