FR2434466A1 - PERMANENT MAGNETS IN FE-CR-CO ALLOYS WITH IMPROVED MAGNETIC PROPERTIES - Google Patents

PERMANENT MAGNETS IN FE-CR-CO ALLOYS WITH IMPROVED MAGNETIC PROPERTIES

Info

Publication number
FR2434466A1
FR2434466A1 FR7917864A FR7917864A FR2434466A1 FR 2434466 A1 FR2434466 A1 FR 2434466A1 FR 7917864 A FR7917864 A FR 7917864A FR 7917864 A FR7917864 A FR 7917864A FR 2434466 A1 FR2434466 A1 FR 2434466A1
Authority
FR
France
Prior art keywords
alloys
permanent magnets
magnetic properties
range
improved magnetic
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
Application number
FR7917864A
Other languages
French (fr)
Other versions
FR2434466B1 (en
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2434466A1 publication Critical patent/FR2434466A1/en
Application granted granted Critical
Publication of FR2434466B1 publication Critical patent/FR2434466B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • 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
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

Alliages Fe-Cr-Co magnétiques essentiellement ternaires, formant des grains suffisamment fins pour que le volume de 3 000 grains ou plus ne dépasse pas 1 mm**3 et possédant une force coercitive magnétique dans la gamme de 300 à 600 oersteds, un magnétisme remanent dans la gamme de 8000 à 13 000 gauss et une quantité d'énergie magnétique dans la gamme de 1.10**6 à 6.10**6 gauss.oersteds, et procédé pour l'obtention d'aimants permanents pouvant être utilisés dans des relais, des sonneries et des transducteurs électro-acoustiques.Substantially ternary magnetic Fe-Cr-Co alloys, forming grains fine enough that the volume of 3000 grains or more does not exceed 1 mm ** 3 and possessing a magnetic coercive force in the range of 300 to 600 oersteds, a magnetism reshuffle in the range of 8000 to 13000 gauss and an amount of magnetic energy in the range of 1.10 ** 6 to 6.10 ** 6 gauss.oersteds, and method for obtaining permanent magnets which can be used in relays , bells and electro-acoustic transducers.

FR7917864A 1978-07-13 1979-07-10 PERMANENT MAGNETS IN FE-CR-CO ALLOYS WITH IMPROVED MAGNETIC PROPERTIES Granted FR2434466A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92413878A 1978-07-13 1978-07-13

Publications (2)

Publication Number Publication Date
FR2434466A1 true FR2434466A1 (en) 1980-03-21
FR2434466B1 FR2434466B1 (en) 1984-01-20

Family

ID=25449766

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7917864A Granted FR2434466A1 (en) 1978-07-13 1979-07-10 PERMANENT MAGNETS IN FE-CR-CO ALLOYS WITH IMPROVED MAGNETIC PROPERTIES

Country Status (17)

Country Link
JP (1) JPS5541987A (en)
KR (1) KR830001327B1 (en)
AT (1) AT369434B (en)
AU (1) AU529656B2 (en)
BE (1) BE877631A (en)
CA (1) CA1130179A (en)
CH (1) CH645924A5 (en)
DE (1) DE2928059A1 (en)
ES (1) ES482453A1 (en)
FR (1) FR2434466A1 (en)
GB (1) GB2025460B (en)
HK (1) HK69084A (en)
IT (1) IT1162561B (en)
NL (1) NL178016C (en)
PL (1) PL118488B1 (en)
SE (1) SE446990B (en)
SG (1) SG34684G (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027308B1 (en) * 1979-08-16 1984-10-24 Inoue-Japax Research Incorporated Manufacture and use of magnetic scale systems
JPS57149456A (en) * 1981-03-10 1982-09-16 Sumitomo Special Metals Co Ltd Dendritic fe-cr-co magnet alloy
DE3135661A1 (en) * 1981-09-09 1983-03-17 Sumitomo Special Metals Co., Ltd., Osaka Sintered magnetic alloy of the Fe-Cr-Co type and process for producing articles with such an alloy
JPS59159929A (en) * 1983-02-28 1984-09-10 Nippon Gakki Seizo Kk Production of magnet material
NL8302276A (en) * 1983-06-28 1985-01-16 Philips Nv CATHODE JET TUBE WITH AN FE-CO-CR SHADOW MASK AND METHOD FOR MANUFACTURING SUCH SHADOW MASK.
JPS61110715A (en) * 1984-11-01 1986-05-29 Nippon Gakki Seizo Kk Manufacture of fe-cr-co alloy magnet
JP2681048B2 (en) * 1985-07-04 1997-11-19 株式会社ソキア Magnetic scale material
DE19611461C2 (en) * 1996-03-22 1999-05-12 Dresden Ev Inst Festkoerper Use an iron-chromium-cobalt-based alloy

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435684A (en) * 1974-05-02 1976-05-12 Inoue Japax Res Magnetic materials
US4008105A (en) * 1975-04-22 1977-02-15 Warabi Special Steel Co., Ltd. Magnetic materials
GB1500794A (en) * 1975-03-21 1978-02-08 Hitachi Metals Ltd Semihard magnetic alloy and a process for the production thereof
US4075437A (en) * 1976-07-16 1978-02-21 Bell Telephone Laboratories, Incorporated Composition, processing and devices including magnetic alloy
FR2434207A1 (en) * 1978-07-13 1980-03-21 Western Electric Co PROCESS FOR IMPROVING MAGNETIC PROPERTIES OF FE-CR-CO ALLOYS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982972A (en) * 1975-03-21 1976-09-28 Hitachi Metals, Ltd. Semihard magnetic alloy and a process for the production thereof
US3989556A (en) * 1975-03-21 1976-11-02 Hitachi Metals, Ltd. Semihard magnetic alloy and a process for the production thereof
JPS5933644B2 (en) * 1977-02-10 1984-08-17 日立金属株式会社 Fe-Cr-Co permanent magnet and its manufacturing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1435684A (en) * 1974-05-02 1976-05-12 Inoue Japax Res Magnetic materials
GB1500794A (en) * 1975-03-21 1978-02-08 Hitachi Metals Ltd Semihard magnetic alloy and a process for the production thereof
US4008105A (en) * 1975-04-22 1977-02-15 Warabi Special Steel Co., Ltd. Magnetic materials
US4075437A (en) * 1976-07-16 1978-02-21 Bell Telephone Laboratories, Incorporated Composition, processing and devices including magnetic alloy
FR2434207A1 (en) * 1978-07-13 1980-03-21 Western Electric Co PROCESS FOR IMPROVING MAGNETIC PROPERTIES OF FE-CR-CO ALLOYS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Also Published As

Publication number Publication date
JPS5541987A (en) 1980-03-25
AU529656B2 (en) 1983-06-16
DE2928059C2 (en) 1988-01-28
SE7905817L (en) 1980-01-14
HK69084A (en) 1984-09-14
NL178016C (en) 1986-01-02
PL217026A1 (en) 1980-06-02
GB2025460A (en) 1980-01-23
PL118488B1 (en) 1981-10-31
JPS6312936B2 (en) 1988-03-23
CA1130179A (en) 1982-08-24
AT369434B (en) 1982-12-27
GB2025460B (en) 1983-02-02
AU4876079A (en) 1980-01-17
CH645924A5 (en) 1984-10-31
KR830001327B1 (en) 1983-07-09
ATA487179A (en) 1982-05-15
BE877631A (en) 1979-11-05
SG34684G (en) 1985-02-08
KR830001401A (en) 1983-04-30
IT7924303A0 (en) 1979-07-11
NL7905311A (en) 1980-01-15
ES482453A1 (en) 1980-04-01
SE446990B (en) 1986-10-20
IT1162561B (en) 1987-04-01
DE2928059A1 (en) 1980-01-24
FR2434466B1 (en) 1984-01-20
NL178016B (en) 1985-08-01

Similar Documents

Publication Publication Date Title
KR840003129A (en) Earth using adsorptive force of permanent magnets
FR2434466A1 (en) PERMANENT MAGNETS IN FE-CR-CO ALLOYS WITH IMPROVED MAGNETIC PROPERTIES
SU575990A1 (en) Ribbon loudspeaker magnetic system and method of magnetizing same
JPS52115000A (en) Material of permanent magnet
GB406086A (en) Improvements in or relating to permanent magnets
GB1203745A (en) Permanent magnet assembly
JPS5237419A (en) Whole device dynamic speaker
KR840003571A (en) Electroacoustic transducer using repulsive magnetism
SE8201707L (en) ANSWERS IN TELEPHONE AND Separate TELEPHONE SYSTEMS
GB974010A (en) An auxiliary device for a "switchable" magnetic clamping plate
JPS5723396A (en) Field system device
GB1157085A (en) Improvements in or relating to Magnetic Alloy Components
ES276466U (en) Magnetic retainer (Machine-translation by Google Translate, not legally binding)
ES276475U (en) Magnetic retainer (Machine-translation by Google Translate, not legally binding)
FR1277335A (en) Method and device for magnetizing magnetic parts, in particular made of hypercoercive magnetic materials, which must have alternating magnetic poles, 'close and close to each other and magnets thus obtained
JPS56128099A (en) Magnetic circuit for speaker
JPS5299764A (en) Magnetic field type electron lens
ES276480U (en) Magnetic retainer (Machine-translation by Google Translate, not legally binding)
ES276478U (en) Magnetic retainer (Machine-translation by Google Translate, not legally binding)
JPS5241518A (en) Electroacoustic converter
GB1321413A (en) Electromagnetic acoustic generators
KR900000940A (en) Manufacturing method of high characteristic resin magnet
ES276468U (en) Magnetic retainer (Machine-translation by Google Translate, not legally binding)
ES276467U (en) Magnetic retainer (Machine-translation by Google Translate, not legally binding)
JPS52140359A (en) Directional underwater receiver-transducer