BRPI0910984B8 - high strength non oriented electric steel sheet and production method thereof - Google Patents

high strength non oriented electric steel sheet and production method thereof

Info

Publication number
BRPI0910984B8
BRPI0910984B8 BRPI0910984A BRPI0910984A BRPI0910984B8 BR PI0910984 B8 BRPI0910984 B8 BR PI0910984B8 BR PI0910984 A BRPI0910984 A BR PI0910984A BR PI0910984 A BRPI0910984 A BR PI0910984A BR PI0910984 B8 BRPI0910984 B8 BR PI0910984B8
Authority
BR
Brazil
Prior art keywords
steel sheet
production method
high strength
electric steel
strength non
Prior art date
Application number
BRPI0910984A
Other languages
Portuguese (pt)
Inventor
Murakami Hidekuni
Kubota Takeshi
Arita Yoshihiro
Ushigami Yoshiyuki
Original Assignee
Nippon Steel & Sumitomo Metal Corp
Nippon Steel 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 & Sumitomo Metal Corp, Nippon Steel Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of BRPI0910984A2 publication Critical patent/BRPI0910984A2/en
Publication of BRPI0910984B1 publication Critical patent/BRPI0910984B1/en
Publication of BRPI0910984B8 publication Critical patent/BRPI0910984B8/en

Links

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
    • 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
    • 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
BRPI0910984A 2008-04-14 2009-04-13 high strength non oriented electric steel sheet and production method thereof BRPI0910984B8 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008-104940 2008-04-14
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
BRPI0910984A2 BRPI0910984A2 (en) 2016-01-05
BRPI0910984B1 BRPI0910984B1 (en) 2018-06-05
BRPI0910984B8 true BRPI0910984B8 (en) 2018-09-25

Family

ID=41199119

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0910984A BRPI0910984B8 (en) 2008-04-14 2009-04-13 high strength non oriented electric steel sheet and production method thereof

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
US7922834B2 (en) * 2005-07-07 2011-04-12 Sumitomo Metal Industries, Ltd. Non-oriented electrical steel sheet and production process thereof
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
EP2657357B1 (en) * 2010-12-23 2018-08-22 Posco Low iron loss high strength non-oriented electromagnetic steel sheet and method for manufacturing same
CA2822206C (en) * 2011-02-24 2016-09-13 Jfe Steel Corporation Non-oriented electrical steel sheet and method for manufacturing the same
JP5267747B2 (en) * 2011-04-13 2013-08-21 新日鐵住金株式会社 High strength non-oriented electrical steel sheet
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
PL2746415T3 (en) 2011-08-18 2019-10-31 Nippon Steel & Sumitomo Metal Corp Non-oriented electrical steel sheet, method of manufacturing the same, laminate for motor iron core, and method of manufacturing the same
EP3575431B1 (en) * 2011-11-11 2021-12-29 Nippon Steel Corporation 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
KR101898368B1 (en) * 2014-07-02 2018-09-12 신닛테츠스미킨 카부시키카이샤 Non-oriented magnetic steel sheet, and manufacturing method for same
KR101961057B1 (en) * 2015-03-17 2019-03-21 신닛테츠스미킨 카부시키카이샤 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
CN115380129B (en) * 2020-04-07 2023-09-12 日本制铁株式会社 Slab and continuous casting method thereof
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

Family Cites Families (9)

* 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
JP2004084053A (en) * 2002-06-26 2004-03-18 Nippon Steel Corp Electromagnetic steel sheet having remarkably superior magnetic property, and manufacturing method therefor
EP1580289B1 (en) * 2002-12-05 2015-02-11 JFE Steel Corporation Non-oriented magnetic steel sheet and method for production thereof
TWI293332B (en) * 2003-10-06 2008-02-11 Nippon Steel Corp A high-strength non-oriented electrical steel sheet and a fabricated part and a method of producing the same
WO2007063581A1 (en) * 2005-11-30 2007-06-07 Sumitomo Metal Industries, Ltd. Nonoriented electromagnetic steel sheet and process for producing the same
JP4415933B2 (en) * 2005-12-15 2010-02-17 住友金属工業株式会社 Method for producing non-oriented electrical steel sheet for rotor
KR101177161B1 (en) * 2006-06-16 2012-08-24 신닛뽄세이테쯔 카부시키카이샤 High-strength electromagnetic steel sheet and process for producing the same

Also Published As

Publication number Publication date
TWI404806B (en) 2013-08-11
BRPI0910984A2 (en) 2016-01-05
EP2278034A4 (en) 2017-01-25
JP4659135B2 (en) 2011-03-30
TW200946695A (en) 2009-11-16
WO2009128428A1 (en) 2009-10-22
EP2278034A1 (en) 2011-01-26
JPWO2009128428A1 (en) 2011-08-04
CN102007226A (en) 2011-04-06
EP2278034B1 (en) 2020-02-12
KR20100122116A (en) 2010-11-19
BRPI0910984B1 (en) 2018-06-05
PL2278034T3 (en) 2020-06-29
CN102007226B (en) 2013-11-06
US20110056592A1 (en) 2011-03-10

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/04/2009, OBSERVADAS AS CONDICOES LEGAIS. (CO) RETIFICADO CONFORME SOLICITADO REFERENTE RPI/2474 DE 05/06/2018.QUANTO A MONTAGEM DA CARTA PATENTE.

B25D Requested change of name of applicant approved