IT1033315B - Metodo per formare una pellicola vetrosa isolante su una lamiera di acciaio al silicio a grani orientati avente un induzione magnetica elevata - Google Patents

Metodo per formare una pellicola vetrosa isolante su una lamiera di acciaio al silicio a grani orientati avente un induzione magnetica elevata

Info

Publication number
IT1033315B
IT1033315B IT20795/75A IT2079575A IT1033315B IT 1033315 B IT1033315 B IT 1033315B IT 20795/75 A IT20795/75 A IT 20795/75A IT 2079575 A IT2079575 A IT 2079575A IT 1033315 B IT1033315 B IT 1033315B
Authority
IT
Italy
Prior art keywords
forming
steel sheet
magnetic induction
silicon steel
high magnetic
Prior art date
Application number
IT20795/75A
Other languages
English (en)
Italian (it)
Original Assignee
Kawasaki Steel Co
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 Kawasaki Steel Co filed Critical Kawasaki Steel Co
Application granted granted Critical
Publication of IT1033315B publication Critical patent/IT1033315B/it

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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272—Final recrystallisation annealing
    • 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
    • C23D—ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
    • C23D5/00—Coating with enamels or vitreous layers
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Soft Magnetic Materials (AREA)
IT20795/75A 1974-02-28 1975-02-28 Metodo per formare una pellicola vetrosa isolante su una lamiera di acciaio al silicio a grani orientati avente un induzione magnetica elevata IT1033315B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49022860A JPS50116998A (enExample) 1974-02-28 1974-02-28

Publications (1)

Publication Number Publication Date
IT1033315B true IT1033315B (it) 1979-07-10

Family

ID=12094457

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20795/75A IT1033315B (it) 1974-02-28 1975-02-28 Metodo per formare una pellicola vetrosa isolante su una lamiera di acciaio al silicio a grani orientati avente un induzione magnetica elevata

Country Status (13)

Country Link
US (1) US3930906A (enExample)
JP (1) JPS50116998A (enExample)
AU (1) AU475419B2 (enExample)
BE (1) BE826151A (enExample)
BR (1) BR7501201A (enExample)
CA (1) CA1047372A (enExample)
DK (1) DK151900C (enExample)
FI (1) FI57789C (enExample)
FR (1) FR2262703B1 (enExample)
GB (1) GB1500197A (enExample)
IT (1) IT1033315B (enExample)
NO (1) NO137053C (enExample)
SE (1) SE407240B (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095896A (en) * 1959-07-13 1963-07-02 Anthony J Ross Float valve
US4078952A (en) * 1976-06-17 1978-03-14 Allegheny Ludlum Industries, Inc. Controlling the manganese to sulfur ratio during the processing for high permeability silicon steel
US4030950A (en) * 1976-06-17 1977-06-21 Allegheny Ludlum Industries, Inc. Process for cube-on-edge oriented boron-bearing silicon steel including normalizing
JPS535800A (en) * 1976-07-05 1978-01-19 Kawasaki Steel Co Highhmagneticcflux density oneeway siliconnsteellfolstellite insulator film and method of formation thereof
US4123298A (en) * 1977-01-14 1978-10-31 Armco Steel Corporation Post decarburization anneal for cube-on-edge oriented silicon steel
JPS5672178A (en) * 1979-11-13 1981-06-16 Kawasaki Steel Corp Formation of forsterite insulating film of directional silicon steel plate
US4338144A (en) * 1980-03-24 1982-07-06 General Electric Company Method of producing silicon-iron sheet material with annealing atmospheres of nitrogen and hydrogen
CA1240592A (en) * 1983-07-05 1988-08-16 Allegheny Ludlum Corporation Processing for cube-on-edge oriented silicon steel
US4693762A (en) * 1983-07-05 1987-09-15 Allegheny Ludlum Corporation Processing for cube-on-edge oriented silicon steel
EP0392534B1 (en) * 1989-04-14 1998-07-08 Nippon Steel Corporation Method of producing oriented electrical steel sheet having superior magnetic properties
JPH0756048B2 (ja) * 1990-11-30 1995-06-14 川崎製鉄株式会社 被膜特性と磁気特性に優れた薄型方向性けい素鋼板の製造方法
JPH083125B2 (ja) * 1991-01-08 1996-01-17 新日本製鐵株式会社 磁束密度の高い方向性電磁鋼板の製造方法
US5547519A (en) * 1995-02-28 1996-08-20 Armco Inc. Magnesia coating and process for producing grain oriented electrical steel for punching quality
KR100240995B1 (ko) * 1995-12-19 2000-03-02 이구택 절연피막의 밀착성이 우수한 무방향성 전기강판의 제조방법
DE19816200A1 (de) * 1998-04-09 1999-10-14 G K Steel Trading Gmbh Verfahren zur Herstellung eines Forsterit-Isolationsfilms auf einer Oberfläche von korn-orientierten, anisotropen, elektrotechnischen Stahlblechen
WO2001083848A1 (fr) * 2000-05-01 2001-11-08 Tateho Chemical Industries Co., Ltd. Agregat de particules d'oxyde de magnesium
EP1342812B1 (en) * 2000-10-25 2016-09-28 Tateho Chemical Industries Co., Ltd. Magnesium oxide particle aggregate
US6974517B2 (en) * 2001-06-13 2005-12-13 Raytheon Company Lid with window hermetically sealed to frame, and a method of making it
US6745449B2 (en) * 2001-11-06 2004-06-08 Raytheon Company Method and apparatus for making a lid with an optically transmissive window
US6988338B1 (en) 2002-10-10 2006-01-24 Raytheon Company Lid with a thermally protected window
CN114944279B (zh) * 2022-07-25 2022-11-11 海鸿电气有限公司 卷铁心及其卷绕工艺、卷绕设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA920036A (en) * 1968-04-02 1973-01-30 Sakakura Akira Process for producing single-oriented magnetic steel sheets having a very high magnetic induction
US3632456A (en) * 1968-04-27 1972-01-04 Nippon Steel Corp Method for producing an electromagnetic steel sheet of a thin sheet thickness having a high-magnetic induction
JPS5032059B2 (enExample) * 1971-12-24 1975-10-17
US3770517A (en) * 1972-03-06 1973-11-06 Allegheny Ludlum Ind Inc Method of producing substantially non-oriented silicon steel strip by three-stage cold rolling

Also Published As

Publication number Publication date
DK151900C (da) 1988-06-20
GB1500197A (en) 1978-02-08
BR7501201A (pt) 1975-12-02
FR2262703B1 (enExample) 1978-10-06
DE2508554A1 (de) 1975-09-04
FI57789C (fi) 1980-10-10
FI750580A7 (enExample) 1975-08-29
SE407240B (sv) 1979-03-19
AU7854375A (en) 1976-08-19
DK151900B (da) 1988-01-11
AU475419B2 (en) 1976-08-19
NO137053C (no) 1977-12-21
NO750609L (enExample) 1975-08-29
FR2262703A1 (enExample) 1975-09-26
JPS50116998A (enExample) 1975-09-12
DE2508554B2 (de) 1976-03-25
SE7502206L (enExample) 1975-08-29
DK74775A (enExample) 1975-10-20
BE826151A (fr) 1975-08-28
FI57789B (fi) 1980-06-30
CA1047372A (en) 1979-01-30
US3930906A (en) 1976-01-06
NO137053B (no) 1977-09-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940225