JP2016505706A - 方向性ケイ素鋼及びその製造方法 - Google Patents
方向性ケイ素鋼及びその製造方法 Download PDFInfo
- Publication number
- JP2016505706A JP2016505706A JP2015543225A JP2015543225A JP2016505706A JP 2016505706 A JP2016505706 A JP 2016505706A JP 2015543225 A JP2015543225 A JP 2015543225A JP 2015543225 A JP2015543225 A JP 2015543225A JP 2016505706 A JP2016505706 A JP 2016505706A
- Authority
- JP
- Japan
- Prior art keywords
- silicon steel
- directional silicon
- final product
- flux density
- magnetic flux
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
-
- 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
-
- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
-
- 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
-
- 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
-
- 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
-
- 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
- C21D8/1216—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
- C21D8/1255—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
- C21D8/1261—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
- 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
- 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
- C22C38/001—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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/04—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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—Pretreatment of the material to be coated
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- 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
- H01F1/14766—Fe-Si based alloys
- H01F1/14775—Fe-Si based alloys in the form of sheets
- H01F1/14783—Fe-Si based alloys in the form of sheets with insulating coating
-
- 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
-
- 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
- H01F1/18—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 with insulating coating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
-
- 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
- C21D2201/00—Treatment for obtaining particular effects
- C21D2201/05—Grain orientation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
方向性ケイ素鋼スラブを1100〜1200℃まで加熱した後、熱間圧延して熱延板を得る工程;
上記熱延板を冷延圧下率85%以上で冷間圧延して、方向性ケイ素鋼の最終製品の厚さを有する冷延板を得る工程;及び、
上記冷延板に焼鈍処理を施して方向性ケイ素鋼の最終製品を得る工程
をこの順に含み、
上記方向性ケイ素鋼スラブは、重量%で、Si:2.5〜4.0%、酸可溶性アルミニウムAls:0.010〜0.040%、N:0.004〜0.012%、S:0.015%以下を含有し、
上記方向性ケイ素鋼の最終製品において結晶粒径が5mm未満の微細結晶粒の面積比率は3%以下であり、上記方向性ケイ素鋼の最終製品において磁束密度1.7Tでの透磁率と磁束密度1.5Tでの透磁率との比(μ17/μ15)は0.50以上である。
方向性ケイ素鋼スラブは、重量%で、C:0.050%、Si:3.0%、Als:0.030%、N:0.007%、S:0.008%、Mn:0.14%を含有し、残部としてFe及び不可避的不純物を含有している。上記スラブを1000〜1250℃の温度の加熱炉で加熱した後、熱間圧延して厚さ2.5mmの熱延板を得る。熱延板を様々な冷延圧下率で冷間圧延して、最終製品の厚さである0.30mmとした後、脱炭焼鈍し、酸化マグネシウムを主成分とする焼鈍分離剤を塗布し、巻き取ってから高温焼鈍する。最終冷間圧延後、窒化処理してから高温焼鈍及び二次再結晶を行う。巻き戻した後、絶縁被膜を塗布し、延伸平坦化焼鈍して、方向性ケイ素鋼の最終製品を得る。方向性ケイ素鋼の最終製品におけるD<5mmの微細結晶粒の面積比率及び透磁率比μ17/μ15と、方向性ケイ素鋼の最終製品の磁気特性との関係を調べ、結果を表1に示す。
方向性ケイ素鋼スラブは、重量%で、C:0.075%、Si:3.3%、Als:0.031%、N:0.009%、S:0.012%、Mn:0.08%を含有し、残部としてFe及び不可避的不純物を含有している。上記スラブを1050〜1250℃の範囲内の異なる5つの加熱温度に設定した加熱炉で加熱した後、熱間圧延して厚さ2.3mmの熱延板を得る。熱延板を様々な冷延圧下率で冷間圧延して、0.20〜0.40mmの範囲内のそれぞれ異なる規格の最終製品の厚さとした後、脱炭焼鈍し、酸化マグネシウムを主成分とする焼鈍分離剤を塗布し、巻き取ってから高温焼鈍する。最終冷間圧延後、窒化処理してから高温焼鈍及び二次再結晶を行う。巻き戻した後、絶縁被膜を塗布し、延伸平坦化焼鈍して、方向性ケイ素鋼の最終製品を得る。スラブ加熱温度及び冷延圧下率と、D<5mmの微細結晶粒の面積比率及び透磁率比μ17/μ15との関係を調べ、結果を表2に示す。
方向性ケイ素鋼スラブは、重量%で、C:0.065%:Si:3.2%、Als:0.025%、N:0.010%、S:0.015%、Mn:0.18%を含有し、残部としてFe及び不可避的不純物を含有している。上記スラブを1150℃の温度の加熱炉で加熱した後、熱間圧延して厚さ3.0mmの熱延板を得る。熱延板を(A)直接冷間圧延するか、あるいは(B)温度850〜1200℃、冷却速度15〜25℃/秒で焼鈍してから冷延圧下率85%で冷間圧延し、最終製品の厚さである0.30mmとなるまで圧延した後、脱炭焼鈍し、酸化マグネシウムを主成分とする焼鈍分離剤を塗布し、巻き取ってから高温焼鈍する。最終冷間圧延後、窒化処理してから高温焼鈍及び二次再結晶を行う。巻き戻した後、絶縁被膜を塗布し、延伸平坦化焼鈍して、方向性ケイ素鋼の最終製品を得る。熱延板の焼鈍条件と、方向性ケイ素鋼の最終製品におけるD<5mmの微細結晶粒の面積比率及び透磁率比μ17/μ15との関係を調べ、結果を表3に示す。
Claims (10)
- 方向性ケイ素鋼であって、
前記方向性ケイ素鋼において結晶粒径が5mm未満の微細結晶粒の面積比率が3%以下であり、
前記方向性ケイ素鋼の最終製品において磁束密度1.7Tでの透磁率と磁束密度1.5Tでの透磁率との比μ17/μ15が0.50以上である、
方向性ケイ素鋼。 - 前記方向性ケイ素鋼において結晶粒径が5mm未満の微細結晶粒の面積比率は2%以下である、請求項1に記載の方向性ケイ素鋼。
- 前記方向性ケイ素鋼において磁束密度1.7Tでの透磁率と磁束密度1.5Tでの透磁率との比μ17/μ15は0.55以上である、請求項1又は2に記載の方向性ケイ素鋼。
- 方向性ケイ素鋼の製造方法であって、
方向性ケイ素鋼スラブを1100〜1200℃まで加熱した後、熱間圧延して熱延板を得る工程;
前記熱延板を冷延圧下率85%以上で冷間圧延して、方向性ケイ素鋼の最終製品の厚さを有する冷延板を得る工程;及び、
前記冷延板に焼鈍処理を施して方向性ケイ素鋼の最終製品を得る工程
をこの順に含み、
前記方向性ケイ素鋼スラブは、重量%で、Si:2.5〜4.0%、酸可溶性アルミニウムAls:0.010〜0.040%、N:0.004〜0.012%、S:0.015%以下を含有し、
前記方向性ケイ素鋼の最終製品において結晶粒径が5mm未満の微細結晶粒の面積比率は3%以下であり、
前記方向性ケイ素鋼の最終製品において磁束密度1.7Tでの透磁率と磁束密度1.5Tでの透磁率との比μ17/μ15は0.50以上である、
方向性ケイ素鋼の製造方法。 - 冷間圧延前に、前記熱延板に熱延板焼鈍処理を施す工程を更に含む、請求項4に記載の方向性ケイ素鋼の製造方法。
- 前記熱延板焼鈍処理は、焼鈍温度が900〜1150℃であり、焼鈍冷却速度が20〜100℃/秒である、請求項5に記載の方向性ケイ素鋼の製造方法。
- 前記焼鈍処理は、脱炭焼鈍、焼鈍分離剤の塗布、高温焼鈍、絶縁被膜の塗布及び熱延伸平坦化焼鈍をこの順に含む、請求項4に記載の方向性ケイ素鋼の製造方法。
- 高温焼鈍前に、前記冷延板に窒化処理を施す工程を更に含む、請求項7に記載の方向性ケイ素鋼の製造方法。
- 前記方向性ケイ素鋼の最終製品において結晶粒径が5mm未満の微細結晶粒の面積比率は2%以下である、請求項4〜8のいずれか1項に記載の方向性ケイ素鋼の製造方法。
- 前記方向性ケイ素鋼の最終製品において磁束密度1.7Tでの透磁率と磁束密度1.5Tでの透磁率との比μ17/μ15は0.55以上である、請求項4〜8のいずれか1項に記載の方向性ケイ素鋼の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210485329.2 | 2012-11-26 | ||
CN201210485329.2A CN103834856B (zh) | 2012-11-26 | 2012-11-26 | 取向硅钢及其制造方法 |
PCT/CN2012/001684 WO2014078977A1 (zh) | 2012-11-26 | 2012-12-11 | 取向硅钢及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016505706A true JP2016505706A (ja) | 2016-02-25 |
JP6379100B2 JP6379100B2 (ja) | 2018-08-22 |
Family
ID=50775366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015543225A Active JP6379100B2 (ja) | 2012-11-26 | 2012-12-11 | 方向性ケイ素鋼及びその製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US10566119B2 (ja) |
EP (2) | EP3725908A1 (ja) |
JP (1) | JP6379100B2 (ja) |
KR (2) | KR20150067381A (ja) |
CN (1) | CN103834856B (ja) |
MX (1) | MX2015005961A (ja) |
RU (1) | RU2636214C2 (ja) |
WO (1) | WO2014078977A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019116680A (ja) * | 2017-12-26 | 2019-07-18 | ポスコPosco | 方向性電磁鋼板用スラブ、方向性電磁鋼板およびその製造方法 |
JP2022501517A (ja) * | 2018-09-27 | 2022-01-06 | ポスコPosco | 方向性電磁鋼板およびその製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104328379A (zh) * | 2014-11-20 | 2015-02-04 | 武汉科技大学 | 具有高斯织构的取向高硅梯度硅钢薄板及其制备方法 |
KR102012319B1 (ko) * | 2017-12-26 | 2019-08-20 | 주식회사 포스코 | 방향성 전기강판 및 그 제조방법 |
CN110318005B (zh) * | 2018-03-30 | 2021-12-17 | 宝山钢铁股份有限公司 | 一种高磁感取向硅钢及其制造方法 |
KR102325005B1 (ko) * | 2019-12-20 | 2021-11-11 | 주식회사 포스코 | 무방향성 전기강판 및 그 제조방법 |
KR102468077B1 (ko) * | 2020-12-21 | 2022-11-16 | 주식회사 포스코 | 방향성 전기강판 및 그의 제조방법 |
CN113776915B (zh) * | 2021-07-06 | 2024-03-08 | 包头钢铁(集团)有限责任公司 | 一种显示取向硅钢高温退火试样显微组织的方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04323A (ja) * | 1990-04-17 | 1992-01-06 | Nippon Steel Corp | 磁気特性の優れた厚い板厚の一方向性電磁鋼板の製造方法 |
JPH05295438A (ja) * | 1992-04-16 | 1993-11-09 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH0617129A (ja) * | 1992-04-16 | 1994-01-25 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH06306474A (ja) * | 1993-04-26 | 1994-11-01 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH07118746A (ja) * | 1993-10-25 | 1995-05-09 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の安定製造方法 |
JPH08143962A (ja) * | 1994-11-16 | 1996-06-04 | Nippon Steel Corp | 磁気特性と被膜性状の優れた一方向性電磁鋼板の製造方法 |
JP2007254829A (ja) * | 2006-03-23 | 2007-10-04 | Nippon Steel Corp | 磁気特性が優れた高Si含有方向性電磁鋼板の製造方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5472521A (en) * | 1933-10-19 | 1995-12-05 | Nippon Steel Corporation | Production method of grain oriented electrical steel sheet having excellent magnetic characteristics |
JPS5948934B2 (ja) * | 1981-05-30 | 1984-11-29 | 新日本製鐵株式会社 | 高磁束密度一方向性電磁鋼板の製造方法 |
JPS6059045A (ja) | 1983-09-10 | 1985-04-05 | Nippon Steel Corp | 鉄損値の少ない一方向性珪素鋼板の製造方法 |
JPH0230740A (ja) * | 1988-04-23 | 1990-02-01 | Nippon Steel Corp | 鉄損の著しく優れた高磁束密度一方向性電磁鋼板及びその製造方法 |
US5858126A (en) * | 1992-09-17 | 1999-01-12 | Nippon Steel Corporation | Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same |
EP0588342B1 (en) * | 1992-09-17 | 2000-07-12 | Nippon Steel Corporation | Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same |
DE4311151C1 (de) | 1993-04-05 | 1994-07-28 | Thyssen Stahl Ag | Verfahren zur Herstellung von kornorientierten Elektroblechen mit verbesserten Ummagnetisierungsverlusten |
JP3598590B2 (ja) * | 1994-12-05 | 2004-12-08 | Jfeスチール株式会社 | 磁束密度が高くかつ鉄損の低い一方向性電磁鋼板 |
JP3470475B2 (ja) | 1995-11-27 | 2003-11-25 | Jfeスチール株式会社 | 極めて鉄損の低い方向性電磁鋼板とその製造方法 |
IT1299137B1 (it) * | 1998-03-10 | 2000-02-29 | Acciai Speciali Terni Spa | Processo per il controllo e la regolazione della ricristallizzazione secondaria nella produzione di lamierini magnetici a grano orientato |
JP3357602B2 (ja) * | 1998-05-15 | 2002-12-16 | 川崎製鉄株式会社 | 磁気特性に優れる方向性電磁鋼板の製造方法 |
JP3456415B2 (ja) * | 1998-05-26 | 2003-10-14 | Jfeスチール株式会社 | 極めて鉄損の低い高磁束密度方向性電磁鋼板の製造方法 |
US7887645B1 (en) * | 2001-05-02 | 2011-02-15 | Ak Steel Properties, Inc. | High permeability grain oriented electrical steel |
KR100940718B1 (ko) * | 2002-12-26 | 2010-02-08 | 주식회사 포스코 | 열연판 소둔 생략에 의한 방향성 전기강판의 제조방법 |
JP4376151B2 (ja) * | 2004-08-09 | 2009-12-02 | 相川鉄工株式会社 | スクリーン装置 |
CN100381598C (zh) * | 2004-12-27 | 2008-04-16 | 宝山钢铁股份有限公司 | 一种取向硅钢及其生产方法和装置 |
DE102006003279B4 (de) * | 2006-01-23 | 2010-03-25 | W.C. Heraeus Gmbh | Sputtertarget mit hochschmelzender Phase |
JP4823719B2 (ja) * | 2006-03-07 | 2011-11-24 | 新日本製鐵株式会社 | 磁気特性が極めて優れた方向性電磁鋼板の製造方法 |
WO2007136137A1 (ja) * | 2006-05-24 | 2007-11-29 | Nippon Steel Corporation | 磁束密度の高い方向性電磁鋼板の製造方法 |
JP5300210B2 (ja) | 2006-05-24 | 2013-09-25 | 新日鐵住金株式会社 | 方向性電磁鋼板の製造方法 |
ITRM20070218A1 (it) * | 2007-04-18 | 2008-10-19 | Ct Sviluppo Materiali Spa | Procedimento per la produzione di lamierino magnetico a grano orientato |
CN101768697B (zh) * | 2008-12-31 | 2012-09-19 | 宝山钢铁股份有限公司 | 用一次冷轧法生产取向硅钢的方法 |
CN102041440B (zh) * | 2011-01-16 | 2012-01-25 | 首钢总公司 | 一种高磁感取向硅钢的生产方法 |
CN102618783B (zh) * | 2011-01-30 | 2014-08-20 | 宝山钢铁股份有限公司 | 一种高磁感取向硅钢的生产方法 |
CN102758127B (zh) * | 2011-04-28 | 2014-10-01 | 宝山钢铁股份有限公司 | 具有优异磁性能和良好底层的高磁感取向硅钢生产方法 |
-
2012
- 2012-11-26 CN CN201210485329.2A patent/CN103834856B/zh active Active
- 2012-12-11 KR KR1020157013350A patent/KR20150067381A/ko active Application Filing
- 2012-12-11 MX MX2015005961A patent/MX2015005961A/es unknown
- 2012-12-11 JP JP2015543225A patent/JP6379100B2/ja active Active
- 2012-12-11 EP EP20178527.6A patent/EP3725908A1/en not_active Withdrawn
- 2012-12-11 KR KR1020177001489A patent/KR20170010445A/ko active Search and Examination
- 2012-12-11 EP EP12888787.4A patent/EP2924139B1/en active Active
- 2012-12-11 WO PCT/CN2012/001684 patent/WO2014078977A1/zh active Application Filing
- 2012-12-11 RU RU2015119302A patent/RU2636214C2/ru active
- 2012-12-11 US US14/646,985 patent/US10566119B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04323A (ja) * | 1990-04-17 | 1992-01-06 | Nippon Steel Corp | 磁気特性の優れた厚い板厚の一方向性電磁鋼板の製造方法 |
JPH05295438A (ja) * | 1992-04-16 | 1993-11-09 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH0617129A (ja) * | 1992-04-16 | 1994-01-25 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH06306474A (ja) * | 1993-04-26 | 1994-11-01 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JPH07118746A (ja) * | 1993-10-25 | 1995-05-09 | Nippon Steel Corp | 磁気特性の優れた一方向性電磁鋼板の安定製造方法 |
JPH08143962A (ja) * | 1994-11-16 | 1996-06-04 | Nippon Steel Corp | 磁気特性と被膜性状の優れた一方向性電磁鋼板の製造方法 |
JP2007254829A (ja) * | 2006-03-23 | 2007-10-04 | Nippon Steel Corp | 磁気特性が優れた高Si含有方向性電磁鋼板の製造方法 |
Non-Patent Citations (2)
Title |
---|
川鉄の方向性電磁鋼帯HPDRコア NEW RGH,RGH,RGコア, JPN7017002296, March 2000 (2000-03-01), JP, pages 46〜49,52〜55,58〜61 * |
牛神義行: "二次再結晶理論計算", 新日鉄技報, vol. 392, JPN6017026248, March 2012 (2012-03-01), JP, pages 26〜31 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019116680A (ja) * | 2017-12-26 | 2019-07-18 | ポスコPosco | 方向性電磁鋼板用スラブ、方向性電磁鋼板およびその製造方法 |
JP2022501517A (ja) * | 2018-09-27 | 2022-01-06 | ポスコPosco | 方向性電磁鋼板およびその製造方法 |
US11603572B2 (en) | 2018-09-27 | 2023-03-14 | Posco Co., Ltd | Grain-oriented electrical steel sheet and method for manufacturing same |
JP7398444B2 (ja) | 2018-09-27 | 2023-12-14 | ポスコ カンパニー リミテッド | 方向性電磁鋼板およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2924139A1 (en) | 2015-09-30 |
MX2015005961A (es) | 2015-09-10 |
US10566119B2 (en) | 2020-02-18 |
CN103834856A (zh) | 2014-06-04 |
EP2924139A4 (en) | 2016-08-03 |
KR20150067381A (ko) | 2015-06-17 |
CN103834856B (zh) | 2016-06-29 |
RU2015119302A (ru) | 2017-01-10 |
KR20170010445A (ko) | 2017-01-31 |
US20150302962A1 (en) | 2015-10-22 |
WO2014078977A1 (zh) | 2014-05-30 |
EP2924139B1 (en) | 2021-02-10 |
JP6379100B2 (ja) | 2018-08-22 |
RU2636214C2 (ru) | 2017-11-21 |
EP3725908A1 (en) | 2020-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6379100B2 (ja) | 方向性ケイ素鋼及びその製造方法 | |
JP5423909B1 (ja) | 方向性電磁鋼板の製造方法 | |
JP6918930B2 (ja) | 低騒音変圧器用の低鉄損方向性ケイ素鋼製品およびその製造方法 | |
WO2019132363A1 (ko) | 이방향성 전기장판 및 그의 제조방법 | |
JP6663999B2 (ja) | 方向性電磁鋼板及びその製造方法 | |
CN110100024A (zh) | 取向电工钢板及其制造方法 | |
JPS6250529B2 (ja) | ||
JP2020509153A (ja) | 方向性電磁鋼板およびその製造方法 | |
JPWO2020218329A1 (ja) | 方向性電磁鋼板の製造方法 | |
JP6622919B2 (ja) | 方向性電磁鋼板及びその製造方法 | |
RU2637848C1 (ru) | Способ производства высокопроницаемой анизотропной электротехнической стали | |
JP2019163516A (ja) | 方向性電磁鋼板の製造方法 | |
JP2019178379A (ja) | 方向性電磁鋼板の製造方法 | |
JPH055126A (ja) | 無方向性電磁鋼板の製造方法 | |
JP6601649B1 (ja) | 低鉄損方向性電磁鋼板とその製造方法 | |
JP2003201517A (ja) | 磁気特性が安定して優れた方向性電磁鋼板の製造方法 | |
JP3492965B2 (ja) | 磁気特性が優れた一方向性電磁鋼板を得る冷間圧延方法 | |
JP4258149B2 (ja) | 方向性電磁鋼板の製造方法 | |
JP2020509209A (ja) | 方向性電磁鋼板およびその製造方法 | |
JP2019178377A (ja) | 方向性電磁鋼板の製造方法 | |
JP2659655B2 (ja) | 磁気特性の優れた厚い板厚の方向性電磁鋼板 | |
JP2005179745A (ja) | 二方向性電磁鋼板の製造方法 | |
JP6863310B2 (ja) | 方向性電磁鋼板の製造方法 | |
JP2784661B2 (ja) | 高磁束密度薄手一方向性電磁鋼板の製造方法 | |
JPH11241120A (ja) | 均質なフォルステライト質被膜を有する方向性けい素鋼板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160517 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160810 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20161220 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170419 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20170419 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20170512 |
|
A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20170714 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180730 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6379100 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |