JP5707333B2 - 顧客加工性に優れた無方向性電磁鋼板およびその製造方法 - Google Patents
顧客加工性に優れた無方向性電磁鋼板およびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 title claims 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 238000000137 annealing Methods 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 10
- 239000000835 fiber Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 229910017082 Fe-Si Inorganic materials 0.000 description 6
- 229910017133 Fe—Si Inorganic materials 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005097 cold rolling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000005315 distribution function Methods 0.000 description 3
- 238000001887 electron backscatter diffraction Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910002066 substitutional alloy Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Classifications
-
- 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
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/30—Stress-relieving
-
- 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
-
- 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
-
- 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
- C22C38/04—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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
Description
Fe−Si系無方向性電磁鋼板50A700〜50A470(JIS規格基準)と同等の飽和磁束密度(Bs)を維持するために、固有抵抗(ρ)の範囲を30〜42μΩ・cmとし、成分系(%)と固有抵抗(ρ)との関係は下記の実験式を用いた。
Claims (4)
- 重量%で、Si:0.2〜1.0%、Al:0.9〜2.0%、Mn:0.1〜0.5%、P:0.01〜0.05、残部Feおよび不可避的不純物からなり、前記Siおよび前記Alは1.4≦Si+Al≦2.4および1≦Al/Si≦5の式を満足する鋼スラブを再加熱し、熱間圧延して熱延板を作り、前記熱延板を熱延板焼鈍および冷間圧延して製造された冷延板を850〜950℃まで加熱した後、前記冷延板を770〜830℃で30秒〜4分間均熱処理して焼鈍する、SRA実施後の磁気特性に優れた無方向性電磁鋼板の製造方法であって、
前記無方向性電磁鋼板は、
SRA実施後の板面全体における断面のキューブ集合組織の分率がSRA実施前より増加し、
SRA実施後の断面のキューブ集合組織の分率が5%以上であり、
比抵抗が30〜42μΩ・cmであり、
SRA実施前にビッカース硬度が130Hv以下であり、
SRA実施後の磁束密度(B50)が1.74T以上、鉄損(W15/50)が2.6w/kg以下である、
SRA実施後の磁気特性に優れた無方向性電磁鋼板の製造方法。 - 前記熱延板焼鈍は、800〜1100℃の温度範囲で2分〜4分間の在炉時間焼鈍することにより行われる、請求項1に記載のSRA実施後の磁気特性に優れた無方向性電磁鋼板の製造方法。
- 前記不可避的不純物には、重量%で、C:0.003%以下、S:0.002%以下、N:0.002%以下、およびTi:0.002%以下が含まれる、請求項1または2に記載のSRA実施後の磁気特性に優れた無方向性電磁鋼板の製造方法。
- 重量%で、Si:0.2〜1.0%、Al:0.9〜2.0%、Mn:0.1〜0.5%、P:0.01〜0.05、残部Feおよび不可避的不純物からなり、前記Siおよび前記Alは1.4≦Si+Al≦2.4および1≦Al/Si≦5の式を満足し、
SRA実施後の板面全体における断面のキューブ集合組織の分率がSRA実施前より増加し、
SRA実施後の断面のキューブ集合組織の分率が5%以上であり、
比抵抗が30〜42μΩ・cmであり、
SRA実施前にビッカース硬度が130Hv以下であり、
SRA実施後の磁束密度(B50)が1.74T以上であり、鉄損(W15/50)が2.6w/kg以下である、
SRA実施後の磁気特性に優れた無方向性電磁鋼板。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2008-0134595 | 2008-12-26 | ||
KR1020080134595A KR101110253B1 (ko) | 2008-12-26 | 2008-12-26 | 고객사 가공성이 우수한 무방향성 전기강판 및 그 제조방법 |
PCT/KR2009/007500 WO2010074447A2 (ko) | 2008-12-26 | 2009-12-15 | 고객사 가공성이 우수한 무방향성 전기강판 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
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JP2012512961A JP2012512961A (ja) | 2012-06-07 |
JP5707333B2 true JP5707333B2 (ja) | 2015-04-30 |
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JP2011542005A Active JP5707333B2 (ja) | 2008-12-26 | 2009-12-15 | 顧客加工性に優れた無方向性電磁鋼板およびその製造方法 |
Country Status (4)
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JP (1) | JP5707333B2 (ja) |
KR (1) | KR101110253B1 (ja) |
CN (1) | CN102264922B (ja) |
WO (1) | WO2010074447A2 (ja) |
Families Citing this family (3)
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WO2011105609A1 (ja) * | 2010-02-26 | 2011-09-01 | 国立大学法人横浜国立大学 | 結晶軸<001>の方位が制御された体心立方(bcc)構造の固溶体である金属材料およびその製造方法 |
JP5782527B2 (ja) * | 2011-12-19 | 2015-09-24 | ポスコ | 低鉄損高磁束密度方向性電気鋼板及びその製造方法 |
KR102120276B1 (ko) * | 2018-09-27 | 2020-06-08 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
Family Cites Families (12)
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JPH0757888B2 (ja) * | 1989-05-26 | 1995-06-21 | 株式会社神戸製鋼所 | 磁束密度の高い無方向性電磁鋼板の製造方法 |
JPH086135B2 (ja) * | 1991-04-25 | 1996-01-24 | 新日本製鐵株式会社 | 磁気特性の優れた無方向性電磁鋼板の製造方法 |
JP3603385B2 (ja) * | 1995-04-21 | 2004-12-22 | Jfeスチール株式会社 | 磁気特性及び被膜密着性に優れるコンプレッサーモーター用無方向性電磁鋼板 |
KR100268848B1 (ko) * | 1996-10-08 | 2000-10-16 | 이구택 | 응력제거소둔후에 철손이 낮은 무방향성 전기강판 |
JP3430830B2 (ja) * | 1996-12-20 | 2003-07-28 | Jfeスチール株式会社 | 磁気特性の優れた無方向性電磁鋼板の製造方法 |
JPH10183311A (ja) | 1996-12-20 | 1998-07-14 | Kawasaki Steel Corp | 打抜き加工性および磁気特性に優れた無方向性電磁鋼板 |
JP2001181806A (ja) * | 1999-10-13 | 2001-07-03 | Nippon Steel Corp | 透磁率に優れた無方向性電磁鋼板とその熱延板およびその製造方法 |
JP2001192788A (ja) * | 2000-01-12 | 2001-07-17 | Sumitomo Metal Ind Ltd | 加工性の優れた無方向性電磁鋼板とその製造方法 |
JP4707162B2 (ja) * | 2000-02-28 | 2011-06-22 | 住友金属工業株式会社 | 耐疲労特性に優れた高強度無方向性電磁鋼板とその製造法 |
JP2003105508A (ja) * | 2001-09-27 | 2003-04-09 | Nippon Steel Corp | 加工性の優れた無方向性電磁鋼板及びその製造方法 |
JP4828095B2 (ja) * | 2003-09-10 | 2011-11-30 | 新日本製鐵株式会社 | 無方向性電磁鋼板 |
CN1888112A (zh) * | 2005-06-30 | 2007-01-03 | 宝山钢铁股份有限公司 | 具有高磁感的高牌号无取向电工钢及其制造方法 |
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2008
- 2008-12-26 KR KR1020080134595A patent/KR101110253B1/ko active IP Right Grant
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2009
- 2009-12-15 WO PCT/KR2009/007500 patent/WO2010074447A2/ko active Application Filing
- 2009-12-15 CN CN200980152838XA patent/CN102264922B/zh active Active
- 2009-12-15 JP JP2011542005A patent/JP5707333B2/ja active Active
Also Published As
Publication number | Publication date |
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WO2010074447A9 (ko) | 2010-08-12 |
WO2010074447A2 (ko) | 2010-07-01 |
KR20100076518A (ko) | 2010-07-06 |
CN102264922B (zh) | 2013-11-13 |
CN102264922A (zh) | 2011-11-30 |
JP2012512961A (ja) | 2012-06-07 |
KR101110253B1 (ko) | 2012-03-13 |
WO2010074447A3 (ko) | 2010-09-30 |
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