JP6480446B2 - 無方向性の電磁鋼片または電磁鋼板、およびこれから製造された部品、並びに無方向性の電磁鋼片または電磁鋼板の製造方法 - Google Patents
無方向性の電磁鋼片または電磁鋼板、およびこれから製造された部品、並びに無方向性の電磁鋼片または電磁鋼板の製造方法 Download PDFInfo
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims description 68
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 60
- 239000010959 steel Substances 0.000 claims description 60
- 238000000137 annealing Methods 0.000 claims description 26
- 239000002244 precipitate Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 13
- 229910008341 Si-Zr Inorganic materials 0.000 claims description 12
- 229910006682 Si—Zr Inorganic materials 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 230000010287 polarization Effects 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 238000005097 cold rolling Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 101100269674 Mus musculus Alyref2 gene Proteins 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 229910052726 zirconium Inorganic materials 0.000 description 8
- 101100537098 Mus musculus Alyref gene Proteins 0.000 description 7
- 101150095908 apex1 gene Proteins 0.000 description 7
- 230000001965 increasing effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- WNMKSPOOQSCFMI-UHFFFAOYSA-N [Zr].[Si].[Fe] Chemical compound [Zr].[Si].[Fe] WNMKSPOOQSCFMI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- 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
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- 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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- 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
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
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- 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
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- 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
- C21D8/1227—Warm rolling
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- 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
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- 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
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- 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
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- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- 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
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- 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
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- 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%
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- 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
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- 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
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- 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
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Description
Claims (11)
- 電気技術アプリケーション用の無方向性の電磁鋼片または電磁鋼板であって、鉄と、不可避的不純物とに加えて、重量%で、
Si:2.0−4.5%、
Zr:0.03−0.3%、
Al:最大2.0%、
Mn:最大1.0%、
C:最大0.01%、
N:最大0.01%、
S:最大0.01%、
P:最大0.006%、
のみから成る鋼から製造され、
前記電磁鋼片もしくは電磁鋼板の微細構造に、Fe−Si−Zrの三元析出物が存在することを特徴とする、無方向性の電磁鋼片または電磁鋼板。 - Siの含有量が少なくとも2.5重量%であることを特徴とする、請求項1に記載の無方向性の電磁鋼片または電磁鋼板。
- Siの含有量が最大3.5重量%であることを特徴とする、請求項1または請求項2に記載の無方向性の電磁鋼片または電磁鋼板。
- Zrの含有量が少なくとも0.08重量%であることを特徴とする、請求項1乃至請求項3のいずれかに記載の無方向性の電磁鋼片または電磁鋼板。
- Zrの含有量が最大0.25%であることを特徴とする、請求項1乃至請求項4のいずれかに記載の無方向性の電磁鋼片または電磁鋼板。
- Cの含有量が最大0.006%であることを特徴とする、請求項1乃至請求項5のいずれかに記載の無方向性の電磁鋼片または電磁鋼板。
- Nの含有量が最大0.006%であることを特徴とする、請求項1乃至請求項6のいずれかに記載の無方向性の電磁鋼片または電磁鋼板。
- Sの含有量が最大0.006%であることを特徴とする、請求項1乃至請求項7のいずれかに記載の無方向性の電磁鋼片または電磁鋼板。
- 1.0テスラの分極(polarization)、振動数400Hzでの、ヒステリシス損失P1.0/400が、0.5mmの厚さの電磁鋼片もしくは電磁鋼板においては最大65W/kgであり、0.3mmの厚さの場合は最大45W/kgであることを特徴とする、請求項1から請求項8までのいずれかに記載の無方向性の電磁鋼片または電磁鋼板。
- 請求項1乃至請求項9のいずれかに記載の形態の電磁鋼片または電磁鋼板から製造されたことを特徴とする、電気技術アプリケーション用の部品。
- 微細構造にFe−Si−Zrの三元析出物が存在する、無方向性の電磁鋼片または電磁鋼板の製造方法において、
a)鉄と、不可避的不純物とに加えて、重量%で、
Si:2.0−4.5%、
Zr:0.03−0.3%、
Al:最大2.0%、
Mn:最大1.0%、
C:最大0.01%、
N:最大0.01%、
S:最大0.01%、
P:最大0.006%、
のみから成る、加熱片を提供するステップと、
b)前記加熱片を冷却片へと冷間圧延するステップと、
c)前記冷却片を最終的にアニーリングするステップと、を含む
ことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13180889.1A EP2840157B1 (de) | 2013-08-19 | 2013-08-19 | Nicht kornorientiertes Elektroband oder -blech und Verfahren zur Erzeugung eines nicht kornorientierten Elektrobands oder -blechs |
EP13180889.1 | 2013-08-19 | ||
PCT/EP2014/065729 WO2015024723A1 (de) | 2013-08-19 | 2014-07-22 | Nicht kornorientiertes elektroband oder -blech, daraus hergestelltes bauteil und verfahren zur erzeugung eines nicht kornorientierten elektrobands oder -blechs |
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JP2016535168A JP2016535168A (ja) | 2016-11-10 |
JP6480446B2 true JP6480446B2 (ja) | 2019-03-13 |
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US (1) | US20160203897A1 (ja) |
EP (1) | EP2840157B1 (ja) |
JP (1) | JP6480446B2 (ja) |
KR (1) | KR102298564B1 (ja) |
CN (1) | CN105473751B (ja) |
BR (1) | BR112016003059B1 (ja) |
WO (1) | WO2015024723A1 (ja) |
Cited By (2)
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JP7364143B2 (ja) | 2021-04-01 | 2023-10-18 | 大成建設株式会社 | チャタテムシの防除方法、チャタテムシの防除空調システム、チャタテムシフリー施設 |
CN109453833B (zh) * | 2018-12-10 | 2023-12-22 | 李赫川 | 一种生物安全中生命维持系统用装置 |
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DE102017208146B4 (de) * | 2017-05-15 | 2019-06-19 | Thyssenkrupp Ag | NO-Elektroband für E-Motoren |
DE102018201618A1 (de) | 2018-02-02 | 2019-08-08 | Thyssenkrupp Ag | Nachglühfähiges, aber nicht nachglühpflichtiges Elektroband |
DE102018201622A1 (de) | 2018-02-02 | 2019-08-08 | Thyssenkrupp Ag | Nachglühfähiges, aber nicht nachglühpflichtiges Elektroband |
WO2020094230A1 (de) | 2018-11-08 | 2020-05-14 | Thyssenkrupp Steel Europe Ag | Elektroband oder -blech für höherfrequente elektromotoranwendungen mit verbesserter polarisation und geringen ummagnetisierungsverlusten |
DE102019113291A1 (de) * | 2019-05-20 | 2020-11-26 | Thyssenkrupp Steel Europe Ag | Blech für die Herstellung einer elektromagnetischen Komponente, insbesondere eines Statorpakets oder eines Rotorpakets, sowie Verfahren zur Herstellung einer elektromagnetischen Komponente |
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DE2446509B1 (de) * | 1974-09-28 | 1975-08-07 | Hoesch Werke Ag | Verwendung eines im fluessigen Zustand vakuumbehandelten Stahls als Elektroband |
GB2057500B (en) * | 1979-09-07 | 1983-05-18 | British Steel Corp | Electro magnetic steels |
JPS56158839A (en) * | 1980-05-14 | 1981-12-07 | Matsushita Electric Ind Co Ltd | Manufacture of very rapidly cooled steel strip |
JPS5983723A (ja) * | 1982-11-01 | 1984-05-15 | Kobe Steel Ltd | 磁束密度の高い無方向性電気鉄板の製造方法 |
JPS644454A (en) * | 1987-06-25 | 1989-01-09 | Sumitomo Metal Ind | Isotropic electromagnetic steel plate having good magnetic characteristics |
JPH0222442A (ja) | 1988-07-12 | 1990-01-25 | Nippon Steel Corp | 高張力電磁鋼板及びその製造方法 |
JPH1112701A (ja) * | 1997-06-27 | 1999-01-19 | Nkk Corp | 鉄損の低い無方向性電磁鋼板 |
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 |
JP4389691B2 (ja) * | 2004-06-22 | 2009-12-24 | 住友金属工業株式会社 | 回転子用無方向性電磁鋼板およびその製造方法 |
JP5126787B2 (ja) * | 2008-07-11 | 2013-01-23 | 新日鐵住金株式会社 | 回転子用無方向性電磁鋼板の製造方法 |
JP2010121150A (ja) * | 2008-11-17 | 2010-06-03 | Sumitomo Metal Ind Ltd | 回転機用無方向性電磁鋼板および回転機ならびにそれらの製造方法 |
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CN109453833B (zh) * | 2018-12-10 | 2023-12-22 | 李赫川 | 一种生物安全中生命维持系统用装置 |
JP7364143B2 (ja) | 2021-04-01 | 2023-10-18 | 大成建設株式会社 | チャタテムシの防除方法、チャタテムシの防除空調システム、チャタテムシフリー施設 |
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CN105473751A (zh) | 2016-04-06 |
JP2016535168A (ja) | 2016-11-10 |
EP2840157B1 (de) | 2019-04-03 |
EP2840157A1 (de) | 2015-02-25 |
KR20160044569A (ko) | 2016-04-25 |
WO2015024723A1 (de) | 2015-02-26 |
BR112016003059B1 (pt) | 2020-03-10 |
CN105473751B (zh) | 2018-01-12 |
US20160203897A1 (en) | 2016-07-14 |
KR102298564B1 (ko) | 2021-09-07 |
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