ATE65640T1 - PROCESS FOR MANUFACTURING A MAGNETIC SWITCHING ELEMENT THAT QUICKLY REMAGNETIZES EVEN IF THE FIELD CHANGES SLOWLY. - Google Patents

PROCESS FOR MANUFACTURING A MAGNETIC SWITCHING ELEMENT THAT QUICKLY REMAGNETIZES EVEN IF THE FIELD CHANGES SLOWLY.

Info

Publication number
ATE65640T1
ATE65640T1 AT85113068T AT85113068T ATE65640T1 AT E65640 T1 ATE65640 T1 AT E65640T1 AT 85113068 T AT85113068 T AT 85113068T AT 85113068 T AT85113068 T AT 85113068T AT E65640 T1 ATE65640 T1 AT E65640T1
Authority
AT
Austria
Prior art keywords
remagnetizes
quickly
manufacturing
switching element
field changes
Prior art date
Application number
AT85113068T
Other languages
German (de)
Inventor
Gerd Dipl-Phys Rauscher
Christian Dr Radeloff
Original Assignee
Vacuumschmelze Gmbh
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 Vacuumschmelze Gmbh filed Critical Vacuumschmelze Gmbh
Application granted granted Critical
Publication of ATE65640T1 publication Critical patent/ATE65640T1/en

Links

Classifications

    • 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
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0304—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions adapted for large Barkhausen jumps or domain wall rotations, e.g. WIEGAND or MATTEUCCI effect
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • 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
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0306—Metals or alloys, e.g. LAVES phase alloys of the MgCu2-type

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Superconductor Devices And Manufacturing Methods Thereof (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

A process for the manufacture of a magnetic switch element is specified. A fine-crystalline structure is produced by short-term annealing of a cobalt-iron-vanadium alloy at 630 to 900 DEG C, which leads to pulse voltages of over 10 volts when subjected to a slowly changing field under tensional stress in a coil with 1000 windings. This property is reproducible so that inductively operating sensors can be manufactured, for example, for speed transmitters operating down to zero speed.
AT85113068T 1984-11-09 1985-10-15 PROCESS FOR MANUFACTURING A MAGNETIC SWITCHING ELEMENT THAT QUICKLY REMAGNETIZES EVEN IF THE FIELD CHANGES SLOWLY. ATE65640T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843440918 DE3440918A1 (en) 1984-11-09 1984-11-09 METHOD FOR PRODUCING A MAGNETIC SWITCHING ELEMENT, WHICH RE-MAGNETIZES FAST, EVEN WITH SLOW FIELD CHANGE
EP85113068A EP0184637B1 (en) 1984-11-09 1985-10-15 Process for the manufacture of a magnetic switch element which will demagnetize fast also in a slowly changing magnetic field

Publications (1)

Publication Number Publication Date
ATE65640T1 true ATE65640T1 (en) 1991-08-15

Family

ID=6249864

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85113068T ATE65640T1 (en) 1984-11-09 1985-10-15 PROCESS FOR MANUFACTURING A MAGNETIC SWITCHING ELEMENT THAT QUICKLY REMAGNETIZES EVEN IF THE FIELD CHANGES SLOWLY.

Country Status (3)

Country Link
EP (1) EP0184637B1 (en)
AT (1) ATE65640T1 (en)
DE (2) DE3440918A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124776A1 (en) * 1991-07-26 1993-01-28 Schaeffler Waelzlager Kg Mfr. of pulse source with alternating magnetisable and non-magnetisable fields - involves deformation process subjecting source made of austenitic steel having face-centred cubic lattice
JPH08138919A (en) * 1994-11-04 1996-05-31 Nhk Spring Co Ltd Method and device for manufacture of magnetism-sensitive wire

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364449A (en) * 1963-12-18 1968-01-16 Bell Telephone Labor Inc Magnetically actuated switching devices
US3422407A (en) * 1964-10-20 1969-01-14 Bell Telephone Labor Inc Devices utilizing a cobalt-vanadium-iron magnetic material which exhibits a composite hysteresis loop
MX148825A (en) * 1977-05-03 1983-06-24 Echlin Mfg Co IMPROVEMENTS IN MAGNETIC WIRE SWITCH

Also Published As

Publication number Publication date
EP0184637B1 (en) 1991-07-24
DE3440918A1 (en) 1986-05-15
EP0184637A2 (en) 1986-06-18
EP0184637A3 (en) 1988-03-23
DE3583589D1 (en) 1991-08-29

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Legal Events

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