JP2011256463A - Fe系金属板 - Google Patents
Fe系金属板 Download PDFInfo
- Publication number
- JP2011256463A JP2011256463A JP2011153074A JP2011153074A JP2011256463A JP 2011256463 A JP2011256463 A JP 2011256463A JP 2011153074 A JP2011153074 A JP 2011153074A JP 2011153074 A JP2011153074 A JP 2011153074A JP 2011256463 A JP2011256463 A JP 2011256463A
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- metal plate
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- plane integration
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- 239000002184 metal Substances 0.000 title claims abstract description 242
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 242
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title abstract 3
- 230000004907 flux Effects 0.000 claims abstract description 96
- 229910052742 iron Inorganic materials 0.000 claims abstract description 83
- 229910000640 Fe alloy Inorganic materials 0.000 claims abstract description 8
- 230000010354 integration Effects 0.000 claims description 272
- 230000009466 transformation Effects 0.000 claims description 30
- 229910000859 α-Fe Inorganic materials 0.000 claims description 17
- 238000009792 diffusion process Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 294
- 238000009825 accumulation Methods 0.000 abstract description 12
- 239000010953 base metal Substances 0.000 description 185
- 239000010410 layer Substances 0.000 description 168
- 238000002474 experimental method Methods 0.000 description 118
- 229910045601 alloy Inorganic materials 0.000 description 67
- 239000000956 alloy Substances 0.000 description 67
- 238000010438 heat treatment Methods 0.000 description 65
- 238000005275 alloying Methods 0.000 description 51
- 238000000034 method Methods 0.000 description 47
- 239000013078 crystal Substances 0.000 description 35
- 238000001816 cooling Methods 0.000 description 33
- 238000004519 manufacturing process Methods 0.000 description 31
- 238000005096 rolling process Methods 0.000 description 30
- 238000005097 cold rolling Methods 0.000 description 23
- 239000000523 sample Substances 0.000 description 19
- 229910000976 Electrical steel Inorganic materials 0.000 description 17
- 239000000203 mixture Substances 0.000 description 16
- 238000011282 treatment Methods 0.000 description 16
- 239000012535 impurity Substances 0.000 description 14
- 230000009467 reduction Effects 0.000 description 14
- 238000005422 blasting Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 12
- 238000004544 sputter deposition Methods 0.000 description 12
- 230000007423 decrease Effects 0.000 description 8
- 238000007598 dipping method Methods 0.000 description 8
- 238000005098 hot rolling Methods 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000007733 ion plating Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 2
- 229910020994 Sn-Zn Inorganic materials 0.000 description 2
- 229910009069 Sn—Zn Inorganic materials 0.000 description 2
- RZJQYRCNDBMIAG-UHFFFAOYSA-N [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] Chemical group [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] RZJQYRCNDBMIAG-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004453 electron probe microanalysis Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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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
- H01F1/147—Alloys characterised by their composition
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- H01F1/14775—Fe-Si based alloys in the form of sheets
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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
- C21D8/1244—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
- C21D8/1255—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 with diffusion of elements, e.g. decarburising, nitriding
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- B32B15/00—Layered products comprising a layer of metal
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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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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Abstract
【解決手段】Fe系金属板は、α−γ変態系のFe又はFe合金板の表面から内部へのSiの拡散により構成され、表面に対するフェライト相の{200}面集積度が30%以上であり、{222}面集積度が30%以下である。
【選択図】図2D
Description
表面に対するフェライト相の{200}面集積度が30%以上であり、{222}面集積度が30%以下であることを特徴とするFe系金属板。
先ず、本発明の基本原理について説明する。図1A〜図1Eは、本発明の基本原理を示す断面図である。
母材金属板の材料には、α−γ変態系のFe系金属(Fe又はFe合金)を用いる。Fe系金属は、例えば70質量%以上のFeを含有する。また、α−γ変態系は、例えば、約600℃〜1000℃の範囲内にA3点を有し、A3点未満ではα相が主相となり、A3点以上ではγ相が主相となる成分系である。ここで、主相とは、体積比率が50%を超えている相をいう。α−γ変態系のFe系金属を用いることにより、フェライト形成元素の拡散及び合金化に伴って、α単相系の組成を有する領域を形成することができる。α−γ変態系のFe系金属としては、純鉄及び低炭素鋼等が挙げられる。例えば、C含有量が1質量ppm〜0.2質量%であり、残部がFe及び不可避不純物よりなる純鉄を用いることができる。C含有量が0.1質量%以下、Si含有量が0.1質量%〜2.5質量%を基本的な成分とするα−γ変態系成分のケイ素鋼を用いることもできる。また、これらに、種々の元素が添加されたものを用いることもできる。種々の元素としては、Mn、Ni、Cr、Al、Mo、W、V、Ti、Nb、B、Cu、Co、Zr、Y、Hf、La、Ce、N、O、P、及びS等が挙げられる。但し、Mn及びNiは、磁束密度を低下させる恐れがあるため含まれていないことが好ましい。
フェライト形成元素としては、Al、Cr、Ga、Ge、Mo、Sb、Si、Sn、Ta、Ti、V、W、及びZn等を用いることが好ましい。これらの元素を用いると、α単相系の組成を有する領域が形成されやすく、α相の{200}面集積度を効率的に向上させることができる。
金属層の母材金属板と合金化させる部分の割合は、厚さ方向における10%以上とすることが好ましい。この割合が10%未満であると、合金領域を十分に形成することが困難になって、十分なα相の{200}面集積度が得られないことがある。なお、この割合(合金化割合)は、母材金属板の表面に垂直な断面における加熱前の金属層の面積をS0、加熱及び冷却後の金属層の厚さをSとすると、式(3)で表すことができる。
合金化割合=((S0−S)/S0)×100 ・・・(3)
フェライト形成元素とFeとの合金化によってα単相系の組成を有することとなった領域は、加熱及び冷却後に主としてフェライトの単相(α単相領域)となる。一方、母材金属板の合金化しなかった領域は、加熱及び冷却後に主としてα−γ変態系領域となる。従って、α単相領域は合金化領域とほぼ等しい。そして、α単相領域の母材金属板に対する割合は、厚さ方向断面における面積率を1%以上とすることが好ましい。この割合が1%未満であると、合金領域が十分に形成されておらず、十分なα相の{200}面集積度が得られないことがある。より高いα相の{200}面集積度を得るためには、この割合が5%以上であることが好ましい。
α単相領域の割合=(T/T0)×100 ・・・(4)
Fe系金属板の表面(圧延面)に対するα相の{200}面集積度は30%以上とする。α相の{200}面集積度が30%未満であると、十分に高い磁束密度が得られない。より高い磁束密度を得るためには、α相の{200}面集積度は50%以上であることが好ましい。但し、α相の{200}面集積度が99%を超えると、磁束密度が飽和する。また、α相の{200}面集積度を99%より高くすることは、製造上、困難である。従って、α相の{200}面集積度は99%以下であること好ましく、95%以下であることがより好ましい。
{200}面集積度=[{i(200)/I(200)}/Σ{i(hkl)/I(hkl)}]×100 ・・・(1)
{222}面集積度=[{i(222)/I(222)}/Σ{i(hkl)/I(hkl)}]×100 ・・・(2)
ここで、i(hkl)は、当該Fe系金属板又は母材金属板の表面における{hkl}面の実測積分強度であり、I(hkl)は、ランダム方位をもつ試料における{hkl}面の理論積分強度である。なお、ランダム方位を持つ試料の理論積分強度に代えて、試料を用いた実測の結果(実測値)を用いてもよい。
Fe系金属板の厚さは、10μm超6mm以下であることが好ましい。厚さが10μm以下であると、積層させて磁心を作製する際に非常に多くのFe系金属板を用いることとなり、積層に伴う空隙の発生頻度が高くなる。この結果、高い磁束密度を得にくくなる。また、厚さが6mmを超えていると、広く合金化領域を形成することが困難になり、α相の{200}面集積度を十分に向上させることが困難になる。
加熱及び冷却に伴って金属層の全体が母材金属板中に拡散してもよく、金属層の一部が母材金属板の表面及び/又は裏面に残存していてもよい。また、加熱及び冷却後に金属層の一部が残存している場合、エッチング等により残存している部分を除去してもよい。母材金属板の表面及び/又は裏面に残存する金属層は、その組成によってはFe系金属板の表層部の化学安定性を高めて耐食性を向上させることもできる。耐食性の向上を目的として金属層を残存させる場合、その厚さは0.01μm以上500μm以下とすることが好ましい。厚さが0.01μm未満であると、金属層に破れ等の欠陥が生じて鉄損が不安定になりやすい。厚さが500μmを超えていると、金属層の剥離等の欠陥が生じて耐食性が不安定になりやすい。
母材金属板及び金属層の加熱に際して、A3点に到達する際に合金領域におけるα相の{200}面集積度は25%以上とし、{222}面集積度は40%以下とする。α相の{200}面集積度が25%未満の場合、及び{222}面集積度が40%を超えている場合、Fe系金属板のα相の{222}面集積度を30%以下、{222}面集積度を30%未満とすることが困難である。また、A3点に到達する際に合金領域におけるα相の{200}面集積度は50%以下となっていることが好ましく、{222}面集積度は1%以上となっていることが好ましい。α相の{200}面集積度が50%を超えても、{222}面集積度が1%未満であっても、Fe系金属板の磁束密度が飽和しやすい。また、製造上、α相の{200}面集積度を50%より高くしたり、{222}面集積度を1%未満としたりすることは困難である。
A3点の温度までの加熱及びA3点以上の温度までの加熱は連続して行うことができ、これらの昇温速度は、0.1℃/sec以上500℃/sec以下であることが好ましい。この範囲の昇温速度において、再結晶の際に、母材金属板の表面に平行な面が{100}に配向する結晶粒が発生しやすい。
次に、第1の実施形態について説明する。図2A〜図2Dは、本発明の第1の実施形態に係るFe系金属板の製造方法を工程順に示す断面図である。
次に、第2の実施形態について説明する。図3は、本発明の第2の実施形態に係るFe系金属板の製造方法を示す断面図である。
次に、第3の実施形態について説明する。図4は、本発明の第3の実施形態に係るFe系金属板の製造方法を示す断面図である。
第1の実験では、27種類の製造条件(条件No.1−1〜条件No.1−27)と{200}面集積度及び{222}面集積度との関係について調査した。
第2の実験では、組成が相違する6種類の母材金属板を用い、種々の材料を金属層に用いて、73種類の条件(条件No.2−1〜No.2−73)とα相の{200}面集積度及び{222}面集積度との関係について調査した。
第3の実験では、組成が相違する6種類の母材金属板を用い、種々の材料を金属層に用いて、42種類の条件(条件No.3−1〜No.3−42)と{200}面集積度及び{222}面集積度との関係について調査した。
第4の実験では、42種類の製造条件(条件No.4−1〜条件No.4−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第5の実験では、42種類の製造条件(条件No.5−1〜条件No.5−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第6の実験では、42種類の製造条件(条件No.6−1〜条件No.6−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第7の実験では、42種類の製造条件(条件No.7−1〜条件No.7−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第8の実験では、42種類の製造条件(条件No.8−1〜条件No.8−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第9の実験では、42種類の製造条件(条件No.9−1〜条件No.9−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第10の実験では、42種類の製造条件(条件No.10−1〜条件No.10−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第11の実験では、42種類の製造条件(条件No.11−1〜条件No.11−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第12の実験では、42種類の製造条件(条件No.12−1〜条件No.12−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
第13の実験では、42種類の製造条件(条件No.13−1〜条件No.13−42)における{200}面集積度及び{222}面集積度と鉄損との関係について調査した。
Claims (8)
- α−γ変態系のFe又はFe合金板の表面から内部へのSiの拡散により構成され、
表面に対するフェライト相の{200}面集積度が30%以上であり、{222}面集積度が30%以下であることを特徴とするFe系金属板。 - 表面にSiを含有する金属層を有することを特徴とする請求項1に記載のFe系金属板。
- 前記{200}面集積度が50%以上であり、{222}面集積度が15%以下であることを特徴とする請求項1又は2に記載のFe系金属板。
- フェライト単相領域を金属板の厚さ断面での面積率で1%以上含むことを特徴とする請求項1乃至3のいずれか1項に記載のFe系金属板。
- 内部にα−γ変態系の領域を含むことを特徴とする請求項1乃至4のいずれか1項に記載のFe系金属板。
- Siに加えて、Al、Cr、Ga、Ge、Mo、Sb、Sn、Ti、V、W、及びZnからなる群から選択された少なくとも1種が、前記α−γ変態系のFe又はFe合金板の表面から内部へ拡散していることを特徴とする請求項1乃至5のいずれか1項に記載のFe系金属板。
- 飽和磁束密度に対する磁束密度B50の比率が0.90以上であることを特徴とする請求項1乃至6のいずれか1項に記載のFe系金属板。
- 前記{200}面集積度及び前記{222}面集積度は、{110}、{200}、{211}、{310}、{222}、{321}、{411}、{420}、{332}、{521}、及び{442}の11種の面での集積度であることを特徴とする請求項1乃至7のいずれか1項に記載のFe系金属板。
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JP2014088611A (ja) * | 2012-10-05 | 2014-05-15 | Nippon Steel & Sumitomo Metal | Cr添加高耐食性鋼板及びその製造方法 |
JP2018135556A (ja) * | 2017-02-21 | 2018-08-30 | 新日鐵住金株式会社 | 電磁鋼板、及びその製造方法 |
JP2018141206A (ja) * | 2017-02-28 | 2018-09-13 | 新日鐵住金株式会社 | 電磁鋼板、及びその製造方法 |
Also Published As
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BR112012010174B1 (pt) | 2022-09-20 |
CN104228187B (zh) | 2016-10-26 |
EP2495345A4 (en) | 2017-07-26 |
CN104228187A (zh) | 2014-12-24 |
US20150041023A1 (en) | 2015-02-12 |
PL2495345T3 (pl) | 2020-12-28 |
BR112012010174A2 (pt) | 2016-04-12 |
KR101430322B1 (ko) | 2014-08-13 |
KR20140026654A (ko) | 2014-03-05 |
BR112012010174A8 (pt) | 2016-08-16 |
KR20120062001A (ko) | 2012-06-13 |
EP2495345A1 (en) | 2012-09-05 |
RU2505617C9 (ru) | 2014-04-20 |
CN102597288B (zh) | 2014-09-10 |
US8911565B2 (en) | 2014-12-16 |
JPWO2011052654A1 (ja) | 2013-03-21 |
KR101428442B1 (ko) | 2014-08-07 |
US20120211129A1 (en) | 2012-08-23 |
JP5533801B2 (ja) | 2014-06-25 |
IN2012DN03845A (ja) | 2015-08-28 |
WO2011052654A1 (ja) | 2011-05-05 |
CN102597288A (zh) | 2012-07-18 |
EP2495345B1 (en) | 2020-08-26 |
RU2012121855A (ru) | 2013-12-10 |
RU2505617C1 (ru) | 2014-01-27 |
JP5136687B2 (ja) | 2013-02-06 |
US9679687B2 (en) | 2017-06-13 |
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