JP5356638B2 - 高透磁率方向性電磁鋼材 - Google Patents
高透磁率方向性電磁鋼材 Download PDFInfo
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- JP5356638B2 JP5356638B2 JP2002587661A JP2002587661A JP5356638B2 JP 5356638 B2 JP5356638 B2 JP 5356638B2 JP 2002587661 A JP2002587661 A JP 2002587661A JP 2002587661 A JP2002587661 A JP 2002587661A JP 5356638 B2 JP5356638 B2 JP 5356638B2
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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
-
- 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
- C21D8/1216—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
-
- 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
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
-
- 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
- C21D8/1255—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
-
- 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
-
- 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
- C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
- C21D8/1283—Application of a separating or insulating coating
-
- 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
- C21D8/1294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a localized treatment
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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)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
- Cereal-Derived Products (AREA)
- Package Frames And Binding Bands (AREA)
- Fertilizers (AREA)
Description
本発明は、熱間(圧延)処理されたストリップ材又は鋼帯から高透磁率方向性電磁鋼材を製造する方法に関し、この熱間処理された鋼帯は珪素2.0〜4.5%と、クロム0.1〜1.2%と、炭素を少なくとも0.01%と、アルミニウム0.01〜0.05%とを有するものである。前記熱間処理された鋼帯は、典型的に、少なくとも45μΩ−cmの体積抵抗率と、少なくとも20%のオーステナイト体積分率(γ1150℃)と、最終冷間圧延処理を施す前、少なくとも1面に熱間処理された鋼帯の全厚の少なくとも2%のフェライト単層の単一構造層の厚さとを有するものである。
【背景技術】
【発明の開示】
【課題を解決するための手段】
【発明を実施するための最良の形態】
【図面の簡単な説明】
【図2】図2は、本発明における高透磁率方向性電磁鋼材の、透磁率H=796A/mにおける最終冷間圧延前の急冷率(>50℃/秒)の影響を示すグラフである。
【図3】図3は、1Xでの写真であって、先行技術の低冷却率と、本発明の急冷却率とを使用して製造された高透磁率方向性電磁鋼材の0.23mm厚サンプルの2次結晶粒構造を比較したものである。
Claims (3)
- 方向性電磁鋼材を製造するために鋼帯を一次焼鈍する方法であって、
珪素2.0〜4.5%と、クロム0.25〜1.2%、炭素0.01〜0.08%、アルミニウム0.01〜0.05%、窒素0.003〜0.013%、及び鉄と、残部不可避不純物とを有する鋼帯を提供する工程と、
ここで、前記鋼帯は厚さ1.5〜4mmを有する鋼帯であり、
また、前記鋼帯は、下記数式(1)にて導かれる少なくとも45μΩ−cmの体積抵抗率、及び下記数式(2)にて導かれる少なくとも20%のオーステナイト体積分率(γ1150℃)を有し、
【数1】
【数2】
前記鋼帯の全厚の少なくとも2%の厚さのフェライト単層の単一構造層の厚さを提供する1150℃以上の温度まで加熱する工程と、
前記鋼帯を前記加熱温度から、1000℃〜870℃の温度に徐冷する工程と、
マルテンサイトの焼き戻しを防止するために、前記最終徐冷温度を開始焼入れ温度として、前記鋼帯を毎秒30℃以上の速度で、400℃以下の温度まで焼入れする工程と
を有する、方法。
- 請求項1記載の方法において、前記鋼帯は毎秒20℃以上の速度で400℃〜100℃まで冷却されるものである。
- 請求項1記載の方法において、前記鋼帯は、前記最終徐冷温度を開始焼入れ温度として、毎秒40℃以上の速度で、400℃以下の温度まで冷却されるものである。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/847,236 US7887645B1 (en) | 2001-05-02 | 2001-05-02 | High permeability grain oriented electrical steel |
US09/847,236 | 2001-05-02 | ||
PCT/US2002/012623 WO2002090603A1 (en) | 2001-05-02 | 2002-04-23 | Method for producing a high permeability grain oriented electrical steel |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012276323A Division JP5779303B2 (ja) | 2001-05-02 | 2012-12-19 | 高透磁率方向性電磁鋼材 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005504881A JP2005504881A (ja) | 2005-02-17 |
JP2005504881A5 JP2005504881A5 (ja) | 2013-02-14 |
JP5356638B2 true JP5356638B2 (ja) | 2013-12-04 |
Family
ID=25300140
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002587661A Expired - Lifetime JP5356638B2 (ja) | 2001-05-02 | 2002-04-23 | 高透磁率方向性電磁鋼材 |
JP2012276323A Expired - Lifetime JP5779303B2 (ja) | 2001-05-02 | 2012-12-19 | 高透磁率方向性電磁鋼材 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012276323A Expired - Lifetime JP5779303B2 (ja) | 2001-05-02 | 2012-12-19 | 高透磁率方向性電磁鋼材 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7887645B1 (ja) |
EP (1) | EP1390550B1 (ja) |
JP (2) | JP5356638B2 (ja) |
KR (1) | KR100675744B1 (ja) |
AT (1) | ATE358188T1 (ja) |
BR (1) | BRPI0209419B1 (ja) |
CA (1) | CA2445895C (ja) |
DE (1) | DE60219158T2 (ja) |
WO (1) | WO2002090603A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4548049B2 (ja) * | 2004-09-01 | 2010-09-22 | 株式会社日立製作所 | 回転電機 |
US10351922B2 (en) | 2008-04-11 | 2019-07-16 | Questek Innovations Llc | Surface hardenable stainless steels |
EP2265739B1 (en) | 2008-04-11 | 2019-06-12 | Questek Innovations LLC | Martensitic stainless steel strengthened by copper-nucleated nitride precipitates |
KR101246335B1 (ko) * | 2011-06-21 | 2013-03-21 | 포항공과대학교 산학협력단 | 선철의 고체 탈탄을 이용하여 제조한 강판 및 그 제조 방법 |
JP5780013B2 (ja) * | 2011-06-28 | 2015-09-16 | Jfeスチール株式会社 | 無方向性電磁鋼板の製造方法 |
CN103834856B (zh) * | 2012-11-26 | 2016-06-29 | 宝山钢铁股份有限公司 | 取向硅钢及其制造方法 |
CN105492634B (zh) * | 2013-08-27 | 2018-12-14 | Ak钢铁产权公司 | 具有改善的镁橄榄石涂层特性的晶粒取向电工钢 |
JP6341279B2 (ja) * | 2014-07-03 | 2018-06-13 | 新日鐵住金株式会社 | レーザ加工装置 |
CN105855299B (zh) * | 2014-12-22 | 2019-03-15 | 苏州苏信特钢有限公司 | 一种钢的轧制方法及使用该方法获得的钢 |
RU2761517C1 (ru) * | 2018-07-13 | 2021-12-09 | Ниппон Стил Корпорейшн | Основной лист для листа анизотропной электротехнической стали, лист анизотропной кремнистой стали, который используется в качестве материала основного листа для листа анизотропной электротехнической стали, способ производства основного листа для листа анизотропной электротехнической стали и способ производства листа анизотропной электротехнической стали |
EP3693496A1 (de) | 2019-02-06 | 2020-08-12 | Rembrandtin Lack GmbH Nfg.KG | Wässrige zusammensetzung zur beschichtung von kornorientiertem stahl |
US20230212720A1 (en) * | 2021-12-30 | 2023-07-06 | Cleveland-Cliffs Steel Properties Inc. | Method for the production of high permeability grain oriented electrical steel containing chromium |
CN114807559B (zh) * | 2022-05-09 | 2023-07-18 | 国网智能电网研究院有限公司 | 一种低损耗低磁致伸缩取向硅钢材料及其制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4456812A (en) | 1982-07-30 | 1984-06-26 | Armco Inc. | Laser treatment of electrical steel |
JPH0578743A (ja) | 1991-09-26 | 1993-03-30 | Nippon Steel Corp | 磁気特性、被膜特性ともに優れた方向性電磁鋼板の製造方法 |
US5288736A (en) * | 1992-11-12 | 1994-02-22 | Armco Inc. | Method for producing regular grain oriented electrical steel using a single stage cold reduction |
US5421911A (en) * | 1993-11-22 | 1995-06-06 | Armco Inc. | Regular grain oriented electrical steel production process |
US5643370A (en) * | 1995-05-16 | 1997-07-01 | Armco Inc. | Grain oriented electrical steel having high volume resistivity and method for producing same |
JP3390109B2 (ja) | 1995-08-07 | 2003-03-24 | 新日本製鐵株式会社 | 低鉄損高磁束密度一方向性電磁鋼板の製造方法 |
JPH10102150A (ja) | 1996-08-08 | 1998-04-21 | Kawasaki Steel Corp | 一方向性けい素鋼板の製造方法 |
US5702539A (en) * | 1997-02-28 | 1997-12-30 | Armco Inc. | Method for producing silicon-chromium grain orieted electrical steel |
US20050000596A1 (en) | 2003-05-14 | 2005-01-06 | Ak Properties Inc. | Method for production of non-oriented electrical steel strip |
-
2001
- 2001-05-02 US US09/847,236 patent/US7887645B1/en not_active Expired - Fee Related
-
2002
- 2002-04-23 WO PCT/US2002/012623 patent/WO2002090603A1/en active IP Right Grant
- 2002-04-23 KR KR1020037014340A patent/KR100675744B1/ko active IP Right Grant
- 2002-04-23 BR BRPI0209419A patent/BRPI0209419B1/pt active IP Right Grant
- 2002-04-23 DE DE60219158T patent/DE60219158T2/de not_active Expired - Lifetime
- 2002-04-23 AT AT02769278T patent/ATE358188T1/de active
- 2002-04-23 JP JP2002587661A patent/JP5356638B2/ja not_active Expired - Lifetime
- 2002-04-23 EP EP02769278A patent/EP1390550B1/en not_active Expired - Lifetime
- 2002-04-23 CA CA2445895A patent/CA2445895C/en not_active Expired - Lifetime
-
2012
- 2012-12-19 JP JP2012276323A patent/JP5779303B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BRPI0209419B1 (pt) | 2016-03-01 |
KR100675744B1 (ko) | 2007-01-29 |
JP2005504881A (ja) | 2005-02-17 |
US7887645B1 (en) | 2011-02-15 |
EP1390550B1 (en) | 2007-03-28 |
EP1390550A1 (en) | 2004-02-25 |
CA2445895A1 (en) | 2002-11-14 |
ATE358188T1 (de) | 2007-04-15 |
BR0209419A (pt) | 2004-07-06 |
DE60219158D1 (de) | 2007-05-10 |
JP5779303B2 (ja) | 2015-09-16 |
KR20040019291A (ko) | 2004-03-05 |
JP2013100602A (ja) | 2013-05-23 |
DE60219158T2 (de) | 2008-01-03 |
WO2002090603A1 (en) | 2002-11-14 |
CA2445895C (en) | 2010-09-07 |
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