WO2007013431A1 - Composant de tôle d’acier électromagnétique et procédé de fabrication de celui-ci - Google Patents

Composant de tôle d’acier électromagnétique et procédé de fabrication de celui-ci Download PDF

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Publication number
WO2007013431A1
WO2007013431A1 PCT/JP2006/314632 JP2006314632W WO2007013431A1 WO 2007013431 A1 WO2007013431 A1 WO 2007013431A1 JP 2006314632 W JP2006314632 W JP 2006314632W WO 2007013431 A1 WO2007013431 A1 WO 2007013431A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel sheet
base material
layer
weight
content
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.)
Ceased
Application number
PCT/JP2006/314632
Other languages
English (en)
Japanese (ja)
Inventor
Seiki Shimoda
Masayoshi Takada
Tomohiro Eiraku
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.)
Omron Corp
Proterial Metals Ltd
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
Neomax Materials Co Ltd
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 Omron Corp, Omron Tateisi Electronics Co, Neomax Materials Co Ltd filed Critical Omron Corp
Priority to CN2006800276392A priority Critical patent/CN101233248B/zh
Priority to JP2007528467A priority patent/JP4669515B2/ja
Publication of WO2007013431A1 publication Critical patent/WO2007013431A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H01F1/18—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 with insulating coating
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion
    • 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

Definitions

  • the present invention relates to an electromagnetic steel sheet component and a method for manufacturing the same.
  • a plating treatment is generally performed. Specifically, a plurality of parts are first put in a bowl, and the bowl is dipped in a plating bath, and the bowl is placed in the plating bath. Rotate the and perform the sticking process. By rotating the heel while pushing, the parts in the heel collide with each other or entangle with each other, affecting the part shape. In particular, small parts have a large effect when the shape changes, and as a result, the defect rate of a single part increases. Even if a single component does not fail, the dimensional accuracy of the component itself decreases, resulting in a large variation in characteristics as an electromagnetic relay and a decrease in yield as an electromagnetic relay (product).
  • Patent Document 1 Japanese Patent Laid-Open No. 8-203718
  • An object of the present invention is to provide an electromagnetic steel sheet component having sufficient weather resistance and magnetic properties, and a method for manufacturing the same, even without a plating layer.
  • the present invention relates to an electrical steel sheet mother comprising Si: 0.20 ⁇ : L 20 wt%, Mn: 1.0 wt% or less, Al: 1.0 wt% or less, and the balance: Fe and inevitable impurities.
  • SiO layer on the surface of the material comprising Si: 0.20 ⁇ : L 20 wt%, Mn: 1.0 wt% or less, Al: 1.0 wt% or less, and the balance: Fe and inevitable impurities.
  • the present invention also provides an annealing method for the magnetic steel sheet base material in a gas atmosphere comprising H and H 2 O.
  • the present invention relates to a method for manufacturing an electromagnetic steel sheet component.
  • the electrical steel sheet component of the present invention has sufficient weather resistance even without a plating layer.
  • the plating process can be omitted, the following effects are also obtained; 'Manufacturing cost can be reduced.
  • -It has no plating layer and is significantly thinner than the thickness of the coating layer that is generally formed (5-8 ⁇ m).
  • electromagnetic relays such as relays can reduce operating voltage and reset voltage.
  • the performance of the electromagnetic relay is improved.
  • the magnetic permeability of a part having a Ni plating layer is 8 to 10 s, whereas the part of the present invention achieves a high magnetic permeability of about 0.5 s.
  • FIG. 1 is a schematic diagram showing S source element distribution in the vicinity of the surface of a magnetic steel sheet component according to the present invention.
  • FIG. 2 is a diagram schematically showing changes in Si content in the depth direction of the electrical steel sheet component of the present invention.
  • FIG. 3 X-ray diffraction data of the sample prepared in the example.
  • FIG. 4 is a schematic configuration diagram of a relay to which the electrical steel sheet component of the present invention can be applied.
  • FIG. 5 is a composition image photograph by EPMA showing the metal structure in the vicinity of the surface layer of Sample 12 (invention).
  • FIG. 6 is a composition image photograph by EPMA showing a metal structure in the vicinity of the surface layer of Sample 17. Explanation of symbols
  • Coil 12: Card
  • 13 Movable contact piece
  • 14 Movable contact
  • 15 Fixed contact piece
  • 16 Fixed contact
  • the electrical steel sheet component of the present invention has a SiO layer on the surface of a specific electrical steel sheet base material.
  • the electrical steel sheet base material used in the present invention is:
  • Si 0. 20 ⁇ : L 20 weight 0/0, preferably from 0.25 to 1 10 weight 0/0;
  • Mn l. 0 wt% or less, preferably 0.05 to 0.5 wt%;
  • Al l. 0 wt% or less, preferably 0.01-0.50 wt%;
  • the base material of the electrical steel sheet may be a so-called directional electrical steel sheet or non-oriented electrical steel sheet.
  • the surface will be deeper than the surface. Since the band-like SiO layer is easily formed, the surface portion including the band-like SiO layer is peeled off.
  • the problem is the problem.
  • the inevitable impurities are preferably not contained in the present invention, but are atoms that cannot be mixed, and are derived from raw materials, additives, and the like used in the manufacture of the electrical steel sheet base material.
  • Examples of such inevitable impurities include Ni, Cr, C, N, P, and S.
  • the content of inevitable impurities is not particularly limited, but is usually as shown below;
  • Ni 0.1% by weight or less, especially 0.05% by weight or less;
  • N 0.01% or less by weight
  • C, N, and S are values measured by gas analysis, and the detection limit value is 0.00001% by weight.
  • Si, Mn, Al, Ni, Cr, and P are values measured by chemical analysis or instrumental analysis (such as atomic absorption, fluorescent X-ray or ICP), and the detection limit is 0.001% by weight It is.
  • the thickness of the magnetic steel sheet base material may be appropriately determined according to the intended use of the part to be obtained, for example, 0.5 to 2. Omm.
  • the magnetic steel sheet base material is processed into a predetermined shape and cleaned by degreasing prior to the annealing treatment described later.
  • the SiO layer on the surface of the electrical steel sheet base material anneals the electrical steel sheet base material under specific conditions.
  • Annealing is performed by holding the temperature and time and the magnetic steel sheet base material.
  • This processing temperature and The holding time is preferably 1100 to 1150 ° C and 30 to 45 minutes.
  • the heating time during which the base material is heated to the normal temperature power treatment temperature is not particularly limited, but usually 20 to 200 minutes are preferred.
  • the temperature lowering time during which the temperature of the base material is lowered from the processing temperature to 80 ° C is not particularly limited, but is usually preferably 20 to 200 minutes.
  • a dew point of 30 to 40 ° C is preferable.
  • the SiO layer is effective.
  • the formation of the SiO layer can be achieved, for example, by subjecting a magnetic steel sheet component sample to thin HX-ray diffraction analysis.
  • the SiO layer is shown as the base material composition.
  • the detailed composition of the two layers is a force that can be measured by EPMA, for example, EPMA1600 manufactured by Shimadzu Corporation.
  • EPMA for example, EPMA1600 manufactured by Shimadzu Corporation.
  • the contents of elements other than Si and O in the SiO layer are usually appropriate.
  • the quantitative limit value of the above measuring device is 0.1% by weight.
  • the thickness of the SiO layer is not particularly limited as long as the object of the present invention is achieved.
  • it is 0.05 to 0.50 ⁇ m, particularly 0.110 to 0.40 / z m.
  • the thickness of the SiO layer is measured by ESCA and argon ion etching (etching depth approx.
  • the above measurement and etching are repeated, and the end point of the SiO layer is assumed to be 1Z2 of O intensity of the outermost surface.
  • the thickness of the layer can be found.
  • the SiO layer is preferentially annealed so that Si atoms in the base material are preferentially deposited on the surface of the base material.
  • the source of Si atoms in the SiO layer is the base material.
  • the obtained electrical steel sheet part has a portion where the Si content is smaller than the base material composition in the depth direction.
  • the electrical steel sheet component of the present invention is (1) having a SiO layer on the surface
  • the Si content distribution as shown below is based on the presence of a portion where the Si content is smaller than the base material composition.
  • FIG. Figure 1 is a schematic diagram showing the distribution of Si atoms in the vicinity of the surface of a magnetic steel sheet part.
  • the black dots mean the S source.
  • Electrical steel sheet parts have a SiO layer 1 on the surface.
  • the black spot density is the highest.
  • the sunspot density is SiO
  • Fig. 2 shows changes in the Si content in the depth direction of the electrical steel sheet component of Fig. 1.
  • the Si content maintains the maximum value at the depth of the SiO layer 1, but decreases as the surface force increases.
  • a graph showing the change in Si content as shown in Fig. 2 can be created by EPMA.
  • the electrical steel sheet component of the present invention has a Si content of X (wt%) in the surface layer portion including the SiO layer.
  • XZY is 5.2 to: L 1.2, preferably 5.5 to L0.5, more preferably 6.0 to : L0.2. Electrical steel sheet parts having such an XZY value achieve an optimal Si content distribution just by having an SiO layer, and S
  • the electrical steel sheet parts having the above XZY have a SiO layer in the Si content distribution in the depth direction.
  • the O layer cannot effectively achieve bonding with the SiO component immediately below, and the SiO layer easily peels off.
  • the difference in the amount is remarkably large, and the Si content immediately under the SiO layer is abrupt in the Si content distribution.
  • the SiO layer effectively achieves bonding with the SiO component immediately below it.
  • the Si content (X) in the surface layer portion including the SiO layer is the above-mentioned Shimadzu Corporation EP
  • the values obtained with an acceleration voltage of 15 kV and an analysis area diameter of 100 m are used.
  • the surface layer measured by such measurement methods and conditions is the part from the surface of the electrical steel sheet part to a depth of about 3 m. Note that the thickness of the SiO layer is as described above.
  • the thickness of the two layers will not be greater than the thickness of the surface layer.
  • the Si content (Y) in the electrical steel sheet base material may be obtained by measuring the Si content of the electrical steel sheet base material in advance before the annealing treatment, or obtained after the treatment. It may be obtained by measuring the portion of the electrical steel sheet part excluding the range of surface force depth of about 30 m.
  • the depth of the measured external portion is not limited to the above value, but may be a depth that does not limit the base material composition. In any case, the measurement may be performed by the same measurement method as that for the magnetic steel sheet base material composition described above.
  • the electrical steel sheet component of the present invention is useful as a component used in an electromagnetic relay such as a relay.
  • FIG. 4 is a schematic configuration diagram of a relay having a basic structure.
  • the horizontal portion 10 a of the movable piece 10 is attracted to the coil 11. Accordingly, the hanging portion 10b of the movable piece 10 rotates about the sliding portion 10c as a fulcrum, presses the movable contact piece 13 via the card 12, and the movable contact piece 13 and the fixed contact piece 15 of the movable contact piece 13 are pressed. Contact with the fixed contact 16 is ensured.
  • the movable contact 14 is dissociated from the fixed contact 16 by the panel force of the movable contact piece 13, and the drooping portion 10 b of the movable piece 10 is pushed back. Accordingly, the horizontal portion 10a of the movable piece 10 rotates about the sliding portion 10c as a fulcrum and moves away from the coil 11.
  • the movable piece rotates around the sliding portion for a long period of time, so that it is required to have excellent weather resistance and wear resistance as well as excellent magnetic characteristics.
  • the electromagnetic steel sheet component of the present invention is used as such a movable piece, the above requirements are satisfied, and the operating voltage / reset voltage can be effectively reduced.
  • An electromagnetic steel sheet base material having a composition shown in Table 1 and having a thickness of about 1 mm was punched into a size of 5 mm x 20 mm, and the surface was degreased with a hydrocarbon-based cleaning agent and cleaned. Thereafter, annealing was performed under the conditions shown in Table 2.
  • composition of the surface layer portion of the sample was measured using EPMA1600 manufactured by Shimadzu Corporation described above at an acceleration voltage of 15 kV and an analysis area of ⁇ 100 m.
  • the weather resistance was evaluated by a pressure tacker test. Specifically, the sample was held for 20 hours under the conditions of a temperature of 125 ° C, a relative humidity of 85%, and an absolute pressure of 2 atm, and based on the degree of discoloration of the surface! ⁇ ; Discoloration was quite powerful;
  • Magnetic properties were evaluated by coercive force. Holding power was measured with K-HC1000 manufactured by TOHOKU STEEL.
  • Annealing was performed by holding. A 5 m thick adhesive layer was formed on the obtained sample.
  • Fig. 5 and Fig. 6 show composition image photographs of Sample 12 and Sample 17 by EPMA, respectively. Note that an A1 protective layer with a thickness of about 1 to 5 ⁇ m was formed by vapor deposition on the sample before cutting for the purpose of preventing defects in the cross section of the surface layer of the sample caused by cutting and polishing to obtain the sample cross section.

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

Abstract

La présente invention concerne un composant de tôle d’acier électromagnétique qui peut présenter des niveaux satisfaisants de résistance aux intempéries et de propriété magnétique même lorsqu’une couche plaquée n’est pas prévue dans celui-ci. La présente invention concerne également un procédé de fabrication du composant de tôle d’acier électromagnétique. Le composant comprend un matériau de base de tôle d’acier électromagnétique ayant la composition suivante : Si : de 0,20 à 1,20 % en poids ; Mn : 1,0 % en poids ou moins ; Al : 1,0% en poids ou moins ; et le reste : du Fe et des impuretés inévitables, et une couche de SiO2 prévue sur la surface du matériau de base. Dans le composant, la teneur en Si au niveau de la partie de couche de surface comprenant la couche de SiO2 (X ; % en poids) et la teneur en Si dans le matériau de base (Y ; % en poids) satisfont à la relation suivante : X/Y = 5,2 à 11,2. Le procédé comprend le recuit du matériau de base de tôle d’acier électromagnétique dans une atmosphère gazeuse composée de H2 et de H2O. DRAWING : FIG. 2 : AA TENEUR EN Si BB PROFONDEUR
PCT/JP2006/314632 2005-07-28 2006-07-25 Composant de tôle d’acier électromagnétique et procédé de fabrication de celui-ci Ceased WO2007013431A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2006800276392A CN101233248B (zh) 2005-07-28 2006-07-25 电磁钢板部件及其制造方法
JP2007528467A JP4669515B2 (ja) 2005-07-28 2006-07-25 電磁鋼板部品およびその製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005219114 2005-07-28
JP2005-219114 2005-07-28

Publications (1)

Publication Number Publication Date
WO2007013431A1 true WO2007013431A1 (fr) 2007-02-01

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JP (1) JP4669515B2 (fr)
CN (1) CN101233248B (fr)
WO (1) WO2007013431A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2991093A4 (fr) * 2013-04-22 2016-12-28 Omron Tateisi Electronics Co Relais électromagnétique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115725906B (zh) * 2021-08-30 2024-02-13 宝山钢铁股份有限公司 一种用于高压直流继电器的镀覆锌铝镁的免磁化退火电磁纯铁钢板及其制造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0390517A (ja) * 1989-09-01 1991-04-16 Kawasaki Steel Corp 含けい素鋼スラブの高温加熱方法
JPH05311239A (ja) * 1992-05-13 1993-11-22 Nippon Steel Corp 超低鉄損一方向性電磁箔帯の製造方法
JPH0860252A (ja) * 1994-08-22 1996-03-05 Nkk Corp 薄物無方向性電磁鋼板の製造方法
JPH10183310A (ja) * 1996-12-20 1998-07-14 Kawasaki Steel Corp 歪取焼鈍後の磁気特性に優れた無方向性電磁鋼板
JP2001316778A (ja) * 2000-04-28 2001-11-16 Nkk Corp 加工性に優れた無方向性電磁鋼板およびその製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3743707B2 (ja) * 2001-09-14 2006-02-08 新日本製鐵株式会社 超高磁束密度一方向性電磁鋼板の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0390517A (ja) * 1989-09-01 1991-04-16 Kawasaki Steel Corp 含けい素鋼スラブの高温加熱方法
JPH05311239A (ja) * 1992-05-13 1993-11-22 Nippon Steel Corp 超低鉄損一方向性電磁箔帯の製造方法
JPH0860252A (ja) * 1994-08-22 1996-03-05 Nkk Corp 薄物無方向性電磁鋼板の製造方法
JPH10183310A (ja) * 1996-12-20 1998-07-14 Kawasaki Steel Corp 歪取焼鈍後の磁気特性に優れた無方向性電磁鋼板
JP2001316778A (ja) * 2000-04-28 2001-11-16 Nkk Corp 加工性に優れた無方向性電磁鋼板およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2991093A4 (fr) * 2013-04-22 2016-12-28 Omron Tateisi Electronics Co Relais électromagnétique

Also Published As

Publication number Publication date
CN101233248B (zh) 2012-10-24
CN101233248A (zh) 2008-07-30
JP4669515B2 (ja) 2011-04-13
JPWO2007013431A1 (ja) 2009-02-05

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