JP6496413B2 - 無方向性電磁鋼板およびその製造方法 - Google Patents
無方向性電磁鋼板およびその製造方法 Download PDFInfo
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- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000013078 crystal Substances 0.000 claims description 39
- 238000000137 annealing Methods 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 229910052787 antimony Inorganic materials 0.000 claims description 11
- 229910052718 tin Inorganic materials 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- 229910052758 niobium Inorganic materials 0.000 claims description 10
- 229910052720 vanadium Inorganic materials 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 238000005097 cold rolling Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 33
- 230000005389 magnetism Effects 0.000 description 27
- 229910052742 iron Inorganic materials 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 230000004907 flux Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 150000004767 nitrides Chemical class 0.000 description 7
- 230000007423 decrease Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002436 steel type Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000005381 magnetic domain Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000000724 energy-dispersive X-ray spectrum Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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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- 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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- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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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
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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
- C21D8/1216—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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- 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
- C21D8/1233—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
- C21D8/125—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 application of tension
-
- 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
- C21D8/1261—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 following hot rolling
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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
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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
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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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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- 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
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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
- C22C38/12—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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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- Organic Chemistry (AREA)
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- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Description
まず、スラブを加熱した後、熱間圧延して熱延板を製造する。
また、([Ti]+0.8[Nb]+0.5[V])/(10*[B])の値が0.17〜7.8であってもよい。ここで、[Ti]、[Nb]、[V]、および[B]はそれぞれ、Ti、Nb、V、およびBの添加量(重量%)である。
表1に示すような成分のスラブを準備した(表1で、%は重量%である)。以降、前記スラブを1150℃に加熱し、熱間圧延した。熱間圧延時、仕上げ圧延は850℃で施し、厚さ2.0mmの熱延板に製作した。
表3に示すような成分のスラブを準備した。以降、前記スラブを1150℃に加熱し、熱間圧延した。熱間圧延時、仕上げ圧延は850℃で施し、厚さ2.0mmの熱延板に製作した。
表5のような成分のスラブを実施例2と同様の方法で加熱、熱間圧延、熱延板焼鈍、および冷間圧延した。
Claims (6)
- 電磁鋼板の全体組成100重量%を基準として、C:0.004%以下(0%を含まない)、Si:2.5%〜3.5%、Al:0.5%〜1.8%、Mn:0.05%〜0.9%、N:0.0030%以下(0%を含まない)、S:0.0030%以下(0%を含まない)、Ti:0.0015%〜0.0030%、Nb:0.0005%〜0.0035%、V:0.0015%〜0.0040%、およびB:0.0003〜0.0020%を含み、残部はFeおよび不純物からなるが、
([Ti]+0.8[Nb]+0.5[V])/(10*[B])の値が0.17〜7.8であり、
前記電磁鋼板の結晶粒の粒径は、60μm〜95μmであり、
鋼板の圧延方向をx軸、幅方向をy軸、xy面の法線方向をz軸とする時、yz面で測定された(y軸方向の結晶粒の長さ)/(z軸方向の結晶粒の長さ)の値が1.18〜1.5である
無方向性電磁鋼板。
(ここで、[Ti]、[Nb]、[V]、および[B]はそれぞれ、Ti、Nb、V、およびBの添加量(重量%)である) - 前記電磁鋼板において、Ti、Nb、V、およびBを含む介在物が500個/mm2以下である、請求項1に記載の無方向性電磁鋼板。
- 前記電磁鋼板は、電磁鋼板の全体組成100重量%を基準として、P:0.005%〜0.08%、Sn:0.01%〜0.08%、Sb:0.005%〜0.05%、またはこれらの組み合わせをさらに含むが、
[P]+[Sn]+[Sb]:0.01%〜0.1%を満足する、請求項1に記載の無方向性電磁鋼板。
(ここで、[P]、[Sn]、および[Sb]はそれぞれ、P、Sn、およびSbの添加量(重量%)である) - スラブの全体組成100重量%を基準として、C:0.004%以下(0%を含まない)、Si:2.5%〜3.5%、Al:0.5%〜1.8%、Mn:0.05%〜0.9%、N:0.0030%以下(0%を含まない)、S:0.0030%以下(0%を含まない)、Ti:0.0015%〜0.0030%、Nb:0.0005%〜0.0035%、V:0.0015%〜0.0040%、およびB:0.0003〜0.0020%を含み、残部はFeおよび不純物からなるが、
([Ti]+0.8[Nb]+0.5[V])/(10*[B])の値が0.17〜7.8であるスラブを加熱した後、熱間圧延して熱延板を製造する段階と、
前記熱延板を冷間圧延して冷延板を製造する段階と、
前記冷延板を冷延板焼鈍する段階とを含み、
前記冷延板焼鈍する段階において、冷延板焼鈍温度は、950〜1150℃であり、
前記冷延板焼鈍する段階は、鋼板に0.2kgf/mm2〜0.6kgf/mm2 の張力を印加した状態で実施する
無方向性電磁鋼板の製造方法であって、
前記電磁鋼板の結晶粒の粒径は、60μm〜95μmであり、
前記電磁鋼板の圧延方向をx軸、幅方向をy軸、xy面の法線方向をz軸とする時、yz面で測定された(y軸方向の結晶粒の長さ)/(z軸方向の結晶粒の長さ)の値が1.18〜1.5である、
無方向性電磁鋼板の製造方法。
(ここで、[Ti]、[Nb]、[V]、および[B]はそれぞれ、Ti、Nb、V、およびBの添加量(重量%)である) - 前記熱延板を熱延板焼鈍する段階をさらに含み、
前記熱延板焼鈍温度は、850〜1150℃である、請求項4に記載の無方向性電磁鋼板の製造方法。 - 前記スラブは、スラブの全体組成100重量%を基準として、P:0.005%〜0.08%、Sn:0.01%〜0.08%、Sb:0.005%〜0.05%、またはこれらの組み合わせをさらに含むが、[P]+[Sn]+[Sb]:0.01%〜0.1%を満足する、請求項4に記載の無方向性電磁鋼板の製造方法。
(ここで、[P]、[Sn]、および[Sb]はそれぞれ、P、Sn、およびSbの添加量(重量%)である)
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KR1020140189080A KR101661897B1 (ko) | 2014-12-24 | 2014-12-24 | 무방향성 전기강판 및 그 제조방법 |
KR10-2014-0189079 | 2014-12-24 | ||
KR10-2014-0189080 | 2014-12-24 | ||
KR1020140189079A KR101664097B1 (ko) | 2014-12-24 | 2014-12-24 | 무방향성 전기강판 및 그 제조방법 |
PCT/KR2015/014047 WO2016105058A1 (ko) | 2014-12-24 | 2015-12-21 | 무방향성 전기강판 및 그 제조방법 |
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US11299792B2 (en) | 2022-04-12 |
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CN107109583A (zh) | 2017-08-29 |
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