GB1369509A - Method for manufacturing semi-hard magnetic material - Google Patents

Method for manufacturing semi-hard magnetic material

Info

Publication number
GB1369509A
GB1369509A GB4198971A GB4198971A GB1369509A GB 1369509 A GB1369509 A GB 1369509A GB 4198971 A GB4198971 A GB 4198971A GB 4198971 A GB4198971 A GB 4198971A GB 1369509 A GB1369509 A GB 1369509A
Authority
GB
United Kingdom
Prior art keywords
sintered
magnetic material
hard magnetic
manufacturing semi
sept
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
Application number
GB4198971A
Other languages
English (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.)
Akai Electric Co Ltd
Original Assignee
Akai Electric Co Ltd
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
Priority claimed from JP45079795A external-priority patent/JPS5027006B1/ja
Application filed by Akai Electric Co Ltd filed Critical Akai Electric Co Ltd
Publication of GB1369509A publication Critical patent/GB1369509A/en
Expired 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
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered

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)
  • Powder Metallurgy (AREA)
GB4198971A 1970-09-11 1971-09-08 Method for manufacturing semi-hard magnetic material Expired GB1369509A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP45079795A JPS5027006B1 (enExample) 1970-09-11 1970-09-11
JP8727270 1970-10-05

Publications (1)

Publication Number Publication Date
GB1369509A true GB1369509A (en) 1974-10-09

Family

ID=26420788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4198971A Expired GB1369509A (en) 1970-09-11 1971-09-08 Method for manufacturing semi-hard magnetic material

Country Status (6)

Country Link
US (1) US3769100A (enExample)
CA (1) CA932992A (enExample)
DE (1) DE2144560C2 (enExample)
FR (1) FR2112946A5 (enExample)
GB (1) GB1369509A (enExample)
NL (1) NL173575C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475961A (en) * 1980-01-30 1984-10-09 At&T Bell Laboratories High remanence iron-manganese alloys for magnetically actuated devices
US5716460A (en) * 1996-05-08 1998-02-10 The Arnold Engineering Company Methods for making magnetic strips

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1171306A (en) * 1980-01-30 1984-07-24 Jin Sungho Magnetic elements for magnetically actuated devices and processes for their production
US5132148A (en) * 1987-11-03 1992-07-21 Eastman Kodak Company Flexible and stretchable sheet material useful in forming protective and decorative coatings
US6256222B1 (en) 1994-05-02 2001-07-03 Matsushita Electric Industrial Co., Ltd. Magnetoresistance effect device, and magnetoresistaance effect type head, memory device, and amplifying device using the same
US5841611A (en) * 1994-05-02 1998-11-24 Matsushita Electric Industrial Co., Ltd. Magnetoresistance effect device and magnetoresistance effect type head, memory device, and amplifying device using the same
CN108642396B (zh) * 2018-04-16 2021-01-19 浙江南德精密合金有限公司 一种高稳定性的偏置片、其制造方法及用其制成的声磁防盗标签

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152006A (en) * 1937-03-31 1939-03-28 Firth Sterling Steel Co Method of producing articles of hadfield manganese steel
DE877318C (de) * 1943-09-10 1953-05-21 Deutsche Edelstahlwerke Ag Verfahren zur Verbesserung der magnetischen Guetewerte bei der Herstellung gesinterter Dauermagnete
US3301720A (en) * 1964-01-29 1967-01-31 Allegheny Ludlum Steel Treatment of material for hysteresis application
US3444012A (en) * 1964-07-10 1969-05-13 Citizen Watch Co Ltd Process for treating platinum-iron permanent magnet alloys for improving their magnetic performance
US3306742A (en) * 1964-08-31 1967-02-28 Adams Edmond Method of making a magnetic sheet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475961A (en) * 1980-01-30 1984-10-09 At&T Bell Laboratories High remanence iron-manganese alloys for magnetically actuated devices
US5716460A (en) * 1996-05-08 1998-02-10 The Arnold Engineering Company Methods for making magnetic strips

Also Published As

Publication number Publication date
NL7112378A (enExample) 1972-03-14
DE2144560C2 (de) 1983-11-03
US3769100A (en) 1973-10-30
FR2112946A5 (enExample) 1972-06-23
NL173575C (nl) 1984-02-01
NL173575B (nl) 1983-09-01
DE2144560A1 (de) 1973-07-26
CA932992A (en) 1973-09-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee