FR877804A - Protection contre la corrosion de noyaux ferro-magnétiques - Google Patents

Protection contre la corrosion de noyaux ferro-magnétiques

Info

Publication number
FR877804A
FR877804A FR877804DA FR877804A FR 877804 A FR877804 A FR 877804A FR 877804D A FR877804D A FR 877804DA FR 877804 A FR877804 A FR 877804A
Authority
FR
France
Prior art keywords
ferro
corrosion protection
magnetic cores
cores
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.)
Expired
Application number
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.)
Johnson Laboratories Inc
Original Assignee
Johnson Laboratories 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 Johnson Laboratories Inc filed Critical Johnson Laboratories Inc
Application granted granted Critical
Publication of FR877804A publication Critical patent/FR877804A/fr
Expired legal-status Critical Current

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
    • H01F1/12—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
    • H01F1/20—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 in the form of particles, e.g. powder
    • H01F1/22—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
FR877804D 1941-01-08 1941-12-18 Protection contre la corrosion de noyaux ferro-magnétiques Expired FR877804A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US373654A US2307343A (en) 1941-01-08 1941-01-08 Rustproofed ferromagnetic powder core

Publications (1)

Publication Number Publication Date
FR877804A true FR877804A (fr) 1943-01-04

Family

ID=23473296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877804D Expired FR877804A (fr) 1941-01-08 1941-12-18 Protection contre la corrosion de noyaux ferro-magnétiques

Country Status (2)

Country Link
US (1) US2307343A (fr)
FR (1) FR877804A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598371A (en) * 1943-05-07 1952-05-27 Hartford Nat Bank & Trust Co Coated ferromagnetic core element
US2620227A (en) * 1947-10-08 1952-12-02 Iwase Keizo Fragrant sintered metallic article
US2661238A (en) * 1953-03-17 1953-12-01 Aldo P Osti Impregnated metal and method of producing same
US2845328A (en) * 1954-12-06 1958-07-29 Alan H Fleishhacker Method of inhibiting corrosion in tankers
US3804600A (en) * 1973-02-02 1974-04-16 Allegheny Ludlum Ind Inc Sintered porous iron article impregnated with oleic acid and an inhibitor for forming matching surfaces by friction
US5775465A (en) * 1997-04-18 1998-07-07 Vossler; Darby J. Ladder support
JP4234380B2 (ja) * 2002-09-10 2009-03-04 日鉱金属株式会社 粉末冶金用金属粉末及び鉄系焼結体
WO2006025187A1 (fr) * 2004-08-30 2006-03-09 Nippon Mining & Metals Co., Ltd. Poudre de métal pour métallurgie des poudres contenant principalement du fer et un matériau fritté à base de fer
US7666245B2 (en) * 2004-08-30 2010-02-23 Nippon Mining & Metals Co., Ltd. Metallic powder for powder metallurgy whose main component is iron and iron-based sintered body

Also Published As

Publication number Publication date
US2307343A (en) 1943-01-05

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