DE68923826D1 - Verfahren zur Veredelung der magnetischen Bereiche von elektrischen Stählen. - Google Patents

Verfahren zur Veredelung der magnetischen Bereiche von elektrischen Stählen.

Info

Publication number
DE68923826D1
DE68923826D1 DE68923826T DE68923826T DE68923826D1 DE 68923826 D1 DE68923826 D1 DE 68923826D1 DE 68923826 T DE68923826 T DE 68923826T DE 68923826 T DE68923826 T DE 68923826T DE 68923826 D1 DE68923826 D1 DE 68923826D1
Authority
DE
Germany
Prior art keywords
refining
magnetic areas
electrical steels
steels
electrical
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.)
Expired - Fee Related
Application number
DE68923826T
Other languages
English (en)
Other versions
DE68923826T2 (de
Inventor
Stuart Leslie Ames
Jeffrey Michael Breznak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allegheny Ludlum Corp
Original Assignee
Allegheny Ludlum Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Allegheny Ludlum Corp filed Critical Allegheny Ludlum Corp
Application granted granted Critical
Publication of DE68923826D1 publication Critical patent/DE68923826D1/de
Publication of DE68923826T2 publication Critical patent/DE68923826T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • 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
    • C23C8/04—Treatment of selected surface areas, e.g. using masks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
DE68923826T 1988-06-10 1989-04-28 Verfahren zur Veredelung der magnetischen Bereiche von elektrischen Stählen. Expired - Fee Related DE68923826T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/206,152 US4911766A (en) 1988-06-10 1988-06-10 Method of refining magnetic domains of electrical steels using phosphorus

Publications (2)

Publication Number Publication Date
DE68923826D1 true DE68923826D1 (de) 1995-09-21
DE68923826T2 DE68923826T2 (de) 1996-03-14

Family

ID=22765202

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923826T Expired - Fee Related DE68923826T2 (de) 1988-06-10 1989-04-28 Verfahren zur Veredelung der magnetischen Bereiche von elektrischen Stählen.

Country Status (8)

Country Link
US (1) US4911766A (de)
EP (1) EP0345937B1 (de)
JP (1) JPH0297681A (de)
KR (1) KR900000489A (de)
BR (1) BR8902322A (de)
CA (1) CA1314462C (de)
DE (1) DE68923826T2 (de)
MX (1) MX164967B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5078811A (en) * 1989-09-29 1992-01-07 Allegheny Ludlum Corporation Method for magnetic domain refining of oriented silicon steel
US5041170A (en) * 1989-11-09 1991-08-20 Allegheny Ludlum Corporation Method employing skin-pass rolling to enhance the quality of phosphorus-striped silicon steel
JP5651002B2 (ja) * 2010-12-16 2015-01-07 株式会社神戸製鋼所 交流磁気特性に優れた軟磁性鋼部品およびその製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932235A (en) * 1973-07-24 1976-01-13 Westinghouse Electric Corporation Method of improving the core-loss characteristics of cube-on-edge oriented silicon-iron
JPS5423647B2 (de) * 1974-04-25 1979-08-15
JPS585968B2 (ja) * 1977-05-04 1983-02-02 新日本製鐵株式会社 超低鉄損一方向性電磁鋼板の製造方法
US4655854A (en) * 1983-10-27 1987-04-07 Kawasaki Steel Corporation Grain-oriented silicon steel sheet having a low iron loss free from deterioration due to stress-relief annealing and a method of producing the same
IT1182608B (it) * 1984-10-15 1987-10-05 Nippon Steel Corp Lamiera di acciaio elettrico a grana orientata avente una bassa perdita di potenza e metodo per la sua fabbricazione
SE465129B (sv) * 1984-11-10 1991-07-29 Nippon Steel Corp Kornorienterad staaltunnplaat foer elektriska aendamaal med laag wattfoerlust efter avspaenningsgloedgning samt foerfarande foer framstaellning av plaaten
JPS61133321A (ja) * 1984-11-30 1986-06-20 Nippon Steel Corp 超低鉄損方向性電磁鋼板の製造方法
JPS61139679A (ja) * 1984-12-11 1986-06-26 Nippon Steel Corp 低鉄損の方向性電磁鋼板の製造法
EP0193324B1 (de) * 1985-02-22 1989-10-11 Kawasaki Steel Corporation Kornorientierte Siliciumstahlbleche mit ganz niedrigen Eisenverlusten
JPS61284529A (ja) * 1985-06-10 1986-12-15 Nippon Steel Corp 鉄損の極めて低い方向性電磁鋼板の製造方法
JPH06251202A (ja) * 1993-03-01 1994-09-09 Nec Corp 文字認識装置

Also Published As

Publication number Publication date
JPH0297681A (ja) 1990-04-10
US4911766A (en) 1990-03-27
CA1314462C (en) 1993-03-16
DE68923826T2 (de) 1996-03-14
EP0345937A1 (de) 1989-12-13
KR900000489A (ko) 1990-01-30
MX164967B (es) 1992-10-09
EP0345937B1 (de) 1995-08-16
BR8902322A (pt) 1990-01-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee