GB824147A - Alloyed flocks from metal carbonyls and halides - Google Patents

Alloyed flocks from metal carbonyls and halides

Info

Publication number
GB824147A
GB824147A GB38207/57A GB3820757A GB824147A GB 824147 A GB824147 A GB 824147A GB 38207/57 A GB38207/57 A GB 38207/57A GB 3820757 A GB3820757 A GB 3820757A GB 824147 A GB824147 A GB 824147A
Authority
GB
United Kingdom
Prior art keywords
arsenic
iron
sintered
flocks
nickel
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
GB38207/57A
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.)
GAF Chemicals Corp
Original Assignee
General Aniline and Film Corp
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 General Aniline and Film Corp filed Critical General Aniline and Film Corp
Publication of GB824147A publication Critical patent/GB824147A/en
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
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F3/26—Impregnating
    • 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
    • B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
    • B22F9/305—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis of metal carbonyls

Abstract

Sintered bodies of 90-93% porosity are prepared by treating iron, nickel or cobalt carbonyl, in the free space of a vessel heated to a temperature in the range 250-300 DEG C., with a liquid halide from the class consisting of chlorides and bromides of arsenic, boron, phosphorus, silicon and titanium to yield flocks containing 0.01-7.5% by weight of the metal of the halide, and sintering the resulting flock. Examples are given of iron containing 0.1% arsenic sintered at 800 DEG C. for 6 hours in a hydrogen atmosphere, nickel containing 0.1% arsenic sintered at 600 DEG C. for 6 hours in a hydrogen atmosphere and also the treatment of nickel containing phosphorus and iron containing boron, titanium or silicon. The sintered bodies may be used as electrodes in electric batteries, and the use of the arsenic-containing iron in recorder tapes is also referred to. Specifications 741,943, 741,978 and U.S.A. Specification 1,759,659 are referred to.
GB38207/57A 1956-12-17 1957-12-09 Alloyed flocks from metal carbonyls and halides Expired GB824147A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US824147XA 1956-12-17 1956-12-17

Publications (1)

Publication Number Publication Date
GB824147A true GB824147A (en) 1959-11-25

Family

ID=22171058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38207/57A Expired GB824147A (en) 1956-12-17 1957-12-09 Alloyed flocks from metal carbonyls and halides

Country Status (1)

Country Link
GB (1) GB824147A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0861699A1 (en) * 1997-02-19 1998-09-02 Basf Aktiengesellschaft Fine iron powder containing phosphorus
EP0861913A1 (en) * 1997-02-19 1998-09-02 Basf Aktiengesellschaft Iron powder containing phosphorus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0861699A1 (en) * 1997-02-19 1998-09-02 Basf Aktiengesellschaft Fine iron powder containing phosphorus
EP0861913A1 (en) * 1997-02-19 1998-09-02 Basf Aktiengesellschaft Iron powder containing phosphorus
US6180235B1 (en) 1997-02-19 2001-01-30 Basf Aktiengesellschaft Phosphorus-containing iron powders
KR100552861B1 (en) * 1997-02-19 2006-04-21 바스프 악티엔게젤샤프트 Finely Divided Phosphorus-Containing Iron

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