IN2014MN01794A - - Google Patents

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Publication number
IN2014MN01794A
IN2014MN01794A IN1794MUN2014A IN2014MN01794A IN 2014MN01794 A IN2014MN01794 A IN 2014MN01794A IN 1794MUN2014 A IN1794MUN2014 A IN 1794MUN2014A IN 2014MN01794 A IN2014MN01794 A IN 2014MN01794A
Authority
IN
India
Prior art keywords
steel plate
magnetic
highly effective
iron loss
magnetic conductivity
Prior art date
Application number
Inventor
Aihua Ma
Bo Wang
Xiandong Liu
Liang Zou
Shishu Xie
Hongxu Hei
Original Assignee
Baoshan Iron & Steel
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49131460&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN2014MN01794(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Baoshan Iron & Steel filed Critical Baoshan Iron & Steel
Publication of IN2014MN01794A publication Critical patent/IN2014MN01794A/en

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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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • H01F1/14775—Fe-Si based alloys in the form of sheets
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1261—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272—Final recrystallisation annealing
    • 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
    • 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
    • C22C38/60—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
    • H01F1/16—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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

Disclosed are a non oriented electrical steel plate with low iron loss and high magnetic conductivity and a manufacturing process therefor. The casting blank of the steel plate comprises the following components: Si : 0.1 2.0 wt% Al : 0.1 1.0 wt% Mn : 0.10 1.0 wt% C : = 0.005 wt% P : = 0.2 wt% S : = 0.005 wt% N : = 0.005 wt% the balance being Fe and unavoidable impurities. The magnetic conductivity of the steel plate meets the following relationship formula: µ+µ+µ= 13982 586.5P; µ+µ+µ=10000 wherein ? is the iron loss at a magnetic induction intensity of 1.5 T at 50 Hz; µ µ and µ are relative magnetic conductivities at induction intensities of 1.0 T 1.3 T and 1.5 T at 50 Hz respectively. The steel plate can be used for manufacturing highly effective and ultra highly effective electric motors.
IN1794MUN2014 2012-03-15 2012-03-27 IN2014MN01794A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012100689848A CN103305748A (en) 2012-03-15 2012-03-15 Non-oriented electrical steel plate and manufacturing method thereof
PCT/CN2012/000382 WO2013134895A1 (en) 2012-03-15 2012-03-27 Non-oriented electrical steel plate and manufacturing process therefor

Publications (1)

Publication Number Publication Date
IN2014MN01794A true IN2014MN01794A (en) 2015-07-03

Family

ID=49131460

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1794MUN2014 IN2014MN01794A (en) 2012-03-15 2012-03-27

Country Status (9)

Country Link
US (2) US9659694B2 (en)
EP (1) EP2826882B2 (en)
JP (1) JP2015516503A (en)
KR (1) KR101617288B1 (en)
CN (1) CN103305748A (en)
IN (1) IN2014MN01794A (en)
MX (1) MX360645B (en)
RU (1) RU2586169C2 (en)
WO (1) WO2013134895A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN108449229A (en) * 2018-03-06 2018-08-24 数据通信科学技术研究所 A kind of concurrent test system and method

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CN103305748A (en) 2012-03-15 2013-09-18 宝山钢铁股份有限公司 Non-oriented electrical steel plate and manufacturing method thereof
CN103667902B (en) * 2013-11-28 2016-03-09 安徽银力铸造有限公司 A kind of preparation method of high function car electrics parts electrical steel
CN104789862A (en) 2015-03-20 2015-07-22 宝山钢铁股份有限公司 High-magnetic-induction low-iron-loss non-oriented electrical steel plate with good surface state and manufacturing method thereof
CN105256227B (en) * 2015-11-27 2017-12-08 武汉钢铁有限公司 Non-oriented silicon steel for coiled iron core and production method thereof
CN106337106B (en) * 2016-10-10 2018-10-09 燕山大学 The removing method of SiC field trashes in high silicon steel
JP6665794B2 (en) * 2017-01-17 2020-03-13 Ｊｆｅスチール株式会社 Non-oriented electrical steel sheet and manufacturing method thereof
CN112080695B (en) * 2020-08-31 2021-10-26 江苏省沙钢钢铁研究院有限公司 High-silicon non-oriented electrical steel and production method thereof
CN112538592B (en) * 2020-09-17 2022-02-01 武汉钢铁有限公司 Non-oriented silicon steel for high-speed motor with frequency of more than or equal to 10000Hz and production method
CN115704073B (en) * 2021-08-09 2024-01-09 宝山钢铁股份有限公司 A kind of non-oriented electrical steel plate with good surface condition and its manufacturing method
CN115094311B (en) * 2022-06-17 2023-05-26 湖南华菱涟源钢铁有限公司 Method for producing non-oriented electrical steel and non-oriented electrical steel
CN117467904A (en) * 2022-07-20 2024-01-30 宝山钢铁股份有限公司 Non-oriented electrical steel plate and manufacturing method thereof
CN116288379A (en) * 2023-03-06 2023-06-23 首钢智新迁安电磁材料有限公司 A kind of reprocessing method of electrical steel and its preparation method
CN116475230A (en) * 2023-04-26 2023-07-25 北京首钢股份有限公司 A kind of preparation method of non-oriented silicon steel hot-rolled strip steel and strip steel
CN118406972A (en) * 2024-04-23 2024-07-30 首钢集团有限公司 A 550MPa grade sulfuric acid dew point corrosion resistant low alloy steel and preparation method thereof
CN118497627B (en) * 2024-06-12 2026-01-23 新余钢铁股份有限公司 Ultrathin non-oriented electrical steel with thickness below 0.3mm and production method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108449229A (en) * 2018-03-06 2018-08-24 数据通信科学技术研究所 A kind of concurrent test system and method

Also Published As

Publication number Publication date
KR20140129142A (en) 2014-11-06
MX2014010515A (en) 2014-10-14
EP2826882B9 (en) 2017-08-30
EP2826882B1 (en) 2017-03-01
WO2013134895A1 (en) 2013-09-19
EP2826882A4 (en) 2015-11-18
CN103305748A (en) 2013-09-18
RU2586169C2 (en) 2016-06-10
EP2826882A1 (en) 2015-01-21
US10096415B2 (en) 2018-10-09
KR101617288B1 (en) 2016-05-03
EP2826882B2 (en) 2024-05-01
US9659694B2 (en) 2017-05-23
MX360645B (en) 2018-11-12
RU2014132736A (en) 2016-05-10
JP2015516503A (en) 2015-06-11
US20180096767A1 (en) 2018-04-05
US20140377124A1 (en) 2014-12-25

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