IT1026663B - Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica - Google Patents

Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica

Info

Publication number
IT1026663B
IT1026663B IT30014/74A IT3001474A IT1026663B IT 1026663 B IT1026663 B IT 1026663B IT 30014/74 A IT30014/74 A IT 30014/74A IT 3001474 A IT3001474 A IT 3001474A IT 1026663 B IT1026663 B IT 1026663B
Authority
IT
Italy
Prior art keywords
hagnetic
registration
procedure
based metallic
metallic powders
Prior art date
Application number
IT30014/74A
Other languages
English (en)
Inventor
Rolando Corradi Ariello
Fagherazzi Giuliano
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT30014/74A priority Critical patent/IT1026663B/it
Priority to NL7513785A priority patent/NL7513785A/xx
Priority to JP14124475A priority patent/JPS5520366B2/ja
Priority to DE19752553635 priority patent/DE2553635A1/de
Priority to US05/635,985 priority patent/US4056410A/en
Application granted granted Critical
Publication of IT1026663B publication Critical patent/IT1026663B/it

Links

Classifications

    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Hard Magnetic Materials (AREA)
IT30014/74A 1974-11-29 1974-11-29 Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica IT1026663B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT30014/74A IT1026663B (it) 1974-11-29 1974-11-29 Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica
NL7513785A NL7513785A (nl) 1974-11-29 1975-11-26 Werkwijze voor de bereiding van metallische poe- ders op ijzerbasis.
JP14124475A JPS5520366B2 (it) 1974-11-29 1975-11-27
DE19752553635 DE2553635A1 (de) 1974-11-29 1975-11-28 Fuer die magnetaufnahmetechnik geeignete metallpulver auf der grundlage von eisen und verfahren zur herstellung derselben
US05/635,985 US4056410A (en) 1974-11-29 1975-11-28 Process for preparing acicular iron powders containing titanium and tin, and the resulting powders when so prepared

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30014/74A IT1026663B (it) 1974-11-29 1974-11-29 Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica

Publications (1)

Publication Number Publication Date
IT1026663B true IT1026663B (it) 1978-10-20

Family

ID=11228860

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30014/74A IT1026663B (it) 1974-11-29 1974-11-29 Procedimento per preparare polve ri metalliche a base di ferro per registrzione hagnetica

Country Status (5)

Country Link
US (1) US4056410A (it)
JP (1) JPS5520366B2 (it)
DE (1) DE2553635A1 (it)
IT (1) IT1026663B (it)
NL (1) NL7513785A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017802B2 (ja) * 1975-09-05 1985-05-07 株式会社日立製作所 強磁性金属粉末の製造方法
JPS5376957A (en) * 1976-12-20 1978-07-07 Hitachi Maxell Magnetic metal iron powder and said manufacturing process
US4305752A (en) * 1979-07-30 1981-12-15 Pfizer Inc. Metallic iron particles for magnetic recording
US4256484A (en) * 1979-07-30 1981-03-17 Pfizer Inc. Metallic iron particles for magnetic recording
DE3167164D1 (en) * 1980-05-30 1984-12-20 Hitachi Maxell Process for preparing ferromagnetic particles comprising metallic iron
JPS5763605A (en) * 1980-10-01 1982-04-17 Kanto Denka Kogyo Kk Manufacture of metallic magnetic powder
JPS59562B2 (ja) * 1981-10-01 1984-01-07 工業技術院長 強磁性金属粉末およびその製造方法
DE3204547A1 (de) * 1982-02-10 1983-08-18 Basf Ag, 6700 Ludwigshafen Nadelfoermiges ferrimagnetisches eisenoxid und verfahren zu seiner herstellung
DE3516884A1 (de) * 1985-05-10 1986-11-13 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung nadelfoermiger, im wesentlichen aus eisen bestehender ferromagnetischer metallteilchen
FR2587990B1 (fr) * 1985-09-30 1987-11-13 Centre Nat Rech Scient Compositions d'oxydes magnetiques particulaires a structure de type spinelle lacunaire, leur preparation et leur application
US4826671A (en) * 1986-03-14 1989-05-02 Basf Aktiengesellschaft Preparation of acicular α-Fe2 O3

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2651105A (en) * 1942-04-07 1953-09-08 Electro Chimie Metal Manufacture of permanent magnets
NL160106C (nl) * 1968-01-31 1979-09-17 Philips Nv Werkwijze ter bereiding van een in hoofdzaak uit ijzer bestaand magnetisch stabiel poeder, voor magnetische registratie.
NL162233C (nl) * 1968-03-05 1980-04-15 Philips Nv Werkwijze ter bereiding van een in hoofdzaak uit ijzer bestaand magnetisch stabiel poeder, voor magnetische registratie.
NL6909443A (it) * 1969-06-20 1970-12-22
US3634063A (en) * 1970-04-23 1972-01-11 Ampex Acicular, stable magnetic iron particles
US3669643A (en) * 1970-05-05 1972-06-13 Bell Telephone Labor Inc Method for the preparation of small cobalt particles
JPS4922630B1 (it) * 1970-06-23 1974-06-10

Also Published As

Publication number Publication date
JPS5177900A (it) 1976-07-06
NL7513785A (nl) 1976-06-01
DE2553635A1 (de) 1976-06-10
US4056410A (en) 1977-11-01
JPS5520366B2 (it) 1980-06-02

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