KR870010204A - 방향성 규소강에서 낮은 철심손을 만드는 방법 - Google Patents

방향성 규소강에서 낮은 철심손을 만드는 방법 Download PDF

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Publication number
KR870010204A
KR870010204A KR870001397A KR870001397A KR870010204A KR 870010204 A KR870010204 A KR 870010204A KR 870001397 A KR870001397 A KR 870001397A KR 870001397 A KR870001397 A KR 870001397A KR 870010204 A KR870010204 A KR 870010204A
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KR
South Korea
Prior art keywords
steel
aforementioned
temperature
boron
cooling
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KR870001397A
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English (en)
Inventor
고든 벤포오드 제임스
Original Assignee
존 디, 윌톤
알레니 루드럼 코포레이숀
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Publication of KR870010204A publication Critical patent/KR870010204A/ko

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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
    • 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
    • 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
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • C23C8/62—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 solids, e.g. powders, pastes only one element being applied
    • C23C8/68—Boronising
    • C23C8/70—Boronising of ferrous surfaces
    • 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
    • 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

Abstract

내용 없음

Description

방향성 규소강에서 낮은 철심손을 만드는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 최종 집합조직 소둔 후에 중량으로 2.5-4%의 규소와, 불가피한 불순물 및 밸런스 철을 갖는 입자 방향성 규소강의 철심손 값을 개선하는 방법에 있어서,
    최종집합조직-소둔된 강에 보론 함유재료를 공급하고,
    그 보론함유재료를 강에 보유한 채 적어도 1850°F의 온도로 가열하고,
    이러한 온도에서 전술한 보론-함유 재료로부터 전술한 강으로 보론을 용입하기에 충분한 시간동안 유지시키고,
    이 강은 시간당 100°F 혹은 그 이하의 속도로 약 1000°F의 온도로 냉각하는 과정을 포함하는 방법.
  2. 제1항에 있어서, 전술한 냉각과정이 시간당 약 50°F 속도로 전술한 강을 더 냉각함을 포함하는 방법.
  3. 제2항에 있어서, 보론-함유재료를 피복한 전술한 강이 2000-2150°F 사이로 가열되는 방법.
  4. 제1항에 있어서, 전술한 강이 온도를 유지하는 전술한 과정에 의해 중량으로 0.001-0.009%사이로 보론화되는 방법.
  5. 제1항에 있어서, 전술한 강이 온도를 유지하는 전술한 과정에 의해 중량으로 0.0015-0.0050% 사이로 보론화되는 방법.
  6. 제5항에 있어서, 전술한 냉각과정이 시간당 50°F를 넘지 않는 속도에서 강을 냉각함에 의해 더 제한되는 방법.
  7. 제1항에 있어서, 전술한 보론-함유재료가 기본적으로 산화마그네슘과 전술한 보론을 포함하는 방법.
  8. 제1항에 있어서, 온도를 유지하는 전술한 과정이 전술한 강을 전술한 온도에서 1-12시간동안 유지시킴을 포함하여 더 제한하는 방법.
  9. 제1항에 있어서, 온도를 유지하는 전술한 과정이 전술한 강을 전술한 온도에서 2-4시간동안 유지시킴을 포함하여 더 제한하는 방법.
    ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.
KR870001397A 1986-04-15 1987-02-19 방향성 규소강에서 낮은 철심손을 만드는 방법 KR870010204A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/852,058 US4666535A (en) 1986-04-15 1986-04-15 Method of producing low core losses in oriented silicon steels
JP852058 1986-04-15

Publications (1)

Publication Number Publication Date
KR870010204A true KR870010204A (ko) 1987-11-30

Family

ID=25312407

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870001397A KR870010204A (ko) 1986-04-15 1987-02-19 방향성 규소강에서 낮은 철심손을 만드는 방법

Country Status (6)

Country Link
US (1) US4666535A (ko)
EP (1) EP0242032A3 (ko)
JP (1) JPS62250122A (ko)
KR (1) KR870010204A (ko)
BR (1) BR8700968A (ko)
MX (1) MX164062B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4810532A (en) * 1985-06-24 1989-03-07 Lockheed Missiles & Space Company, Inc. Boron-silicon-hydrogen alloy films
DE3917071C1 (ko) * 1988-10-22 1990-04-19 Thyssen Edelstahlwerke Ag, 4000 Duesseldorf, De
GB2307917B (en) * 1995-12-08 1999-03-17 Hitachi Powdered Metals Manufacturing process of sintered iron alloy improved in machinability,mixed powder for manufacturing modification of iron alloy and iron alloy product
CN100475982C (zh) * 2002-05-08 2009-04-08 Ak钢铁资产公司 非取向电工钢带的连铸方法
US20050000596A1 (en) * 2003-05-14 2005-01-06 Ak Properties Inc. Method for production of non-oriented electrical steel strip

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207636A (en) * 1962-06-26 1965-09-21 Yawata Iron & Steel Co Method for coating silicon steel transformer sheets and composition
US3670278A (en) * 1966-06-09 1972-06-13 Westinghouse Electric Corp Bonded core structure comprising a plurality of glass coated electrical steel sheets
US3676227A (en) * 1968-11-01 1972-07-11 Nippon Steel Corp Process for producing single oriented silicon steel plates low in the iron loss
US3700506A (en) * 1968-12-10 1972-10-24 Nippon Steel Corp Method for reducing an iron loss of an oriented magnetic steel sheet having a high magnetic induction
JPS5226206B2 (ko) * 1973-04-11 1977-07-13
US3905842A (en) * 1974-01-07 1975-09-16 Gen Electric Method of producing silicon-iron sheet material with boron addition and product
US4179315A (en) * 1976-06-17 1979-12-18 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore
US4096001A (en) * 1977-03-07 1978-06-20 General Electric Company Boron-containing electrical steel having a calcium borate coating and magnesia overcoating, and process therefor
DE2805810A1 (de) * 1977-03-07 1978-09-14 Gen Electric Beschichtung von silizium-eisenmaterial
US4116730A (en) * 1977-03-07 1978-09-26 General Electric Company Silicon-iron production and composition and process therefor
US4160681A (en) * 1977-12-27 1979-07-10 Allegheny Ludlum Industries, Inc. Silicon steel and processing therefore
US4200477A (en) * 1978-03-16 1980-04-29 Allegheny Ludlum Industries, Inc. Processing for electromagnetic silicon steel
US4363677A (en) * 1980-01-25 1982-12-14 Nippon Steel Corporation Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface
US4347085A (en) * 1981-04-23 1982-08-31 Armco Inc. Insulative coatings for electrical steels

Also Published As

Publication number Publication date
BR8700968A (pt) 1988-01-05
US4666535A (en) 1987-05-19
EP0242032A3 (en) 1990-06-20
MX164062B (es) 1992-07-13
JPS62250122A (ja) 1987-10-31
EP0242032A2 (en) 1987-10-21

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