GB1430500A - Production of metal powder - Google Patents

Production of metal powder

Info

Publication number
GB1430500A
GB1430500A GB1194174A GB1194174A GB1430500A GB 1430500 A GB1430500 A GB 1430500A GB 1194174 A GB1194174 A GB 1194174A GB 1194174 A GB1194174 A GB 1194174A GB 1430500 A GB1430500 A GB 1430500A
Authority
GB
United Kingdom
Prior art keywords
disc
wire
magnetic field
metal powder
polepieces
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
GB1194174A
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.)
Industrial Materials Technology Inc
Original Assignee
Industrial Materials Technology 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 Industrial Materials Technology Inc filed Critical Industrial Materials Technology Inc
Publication of GB1430500A publication Critical patent/GB1430500A/en
Expired legal-status Critical Current

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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
    • 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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/084—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid combination of methods
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Landscapes

  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

1430500 Making metal powder INDUSTRIAL MATERIALS TECHNOLOGY Inc 18 March 1974 [22 March 1973] 11941/74 Headings B3V and B3A Metal powder particles are produced by continuously feeding a metal wire (or rod) 30 into contact with a disc 10 having its peripheral surface rotating within a first magnetic field perpendicular to the wire 30 and continuously applying a direct current through the wire 30 and disc 10 so as to produce discrete molten metal masses which are cooled into metal particles as they are urged from the disc 10 by the first magnetic field interacting with a second magnetic field produced around the wire 30 by the D.C. current. A grooved disc 10 is mounted on a water cooled shaft 18 for rotation in a gap 12 defined between polepieces 44, 46 of an electromagnet 14. Wire 30 is fed downwardly from a reel 26 by a variable speed feeder 32 toward and into contact with the disc 10 which together with the wire 30 is connected to a D.C. power source. Arcing is intermittently produced between the continuously advanced wire 30 and rotating disc 10 resulting in the production of molten metal particles which are flung sideways, by the interaction of the magnetic field between the electromagnet polepieces 44, 46 and the magnetic field around the wire 30, against a sloping wall (68) (Fig. 2, not shown) and collected in a bin (70). Any particles attracted to the electromagnet 14 are removed by providing water cooled copper terminals 48, 50 cemented to the polepieces 44, 46 and connected to an A.C. supply and by providing a grooved copper disc 54 rotating within the gap 12 in the opposite direction to the disc 10. Metal powder adhering to the disc 54 is removed by a wiper blade 64. The operation may take place in an inert atmosphere or a vacuum chamber 66.
GB1194174A 1973-03-22 1974-03-18 Production of metal powder Expired GB1430500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00344040A US3830603A (en) 1973-03-22 1973-03-22 Apparatus for production of metal powder from wire stock

Publications (1)

Publication Number Publication Date
GB1430500A true GB1430500A (en) 1976-03-31

Family

ID=23348783

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1194174A Expired GB1430500A (en) 1973-03-22 1974-03-18 Production of metal powder

Country Status (4)

Country Link
US (1) US3830603A (en)
JP (1) JPS5062852A (en)
FR (1) FR2222159B1 (en)
GB (1) GB1430500A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264641A (en) * 1977-03-17 1981-04-28 Phrasor Technology Inc. Electrohydrodynamic spraying to produce ultrafine particles
US4919335A (en) * 1988-07-19 1990-04-24 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for atomization and spraying of molten metals
US5194128A (en) * 1989-07-12 1993-03-16 Thermo Electron Technologies Corporation Method for manufacturing ultrafine particles
US5062936A (en) * 1989-07-12 1991-11-05 Thermo Electron Technologies Corporation Method and apparatus for manufacturing ultrafine particles
WO1992017303A1 (en) * 1991-04-04 1992-10-15 Aktsionernoe Obschestvo Server Method and installation for obtaining highly dispersive powders of non-organic substances
WO2008144381A2 (en) * 2007-05-17 2008-11-27 Riverside Technologies Inc. Pyrolyzed rubber products and processes
CN104493189B (en) * 2015-01-09 2016-08-24 中国久远高新技术装备公司 Metal powder preparation method based on controllable magnetic suspension melting technique and device
EP3445709B1 (en) * 2016-04-20 2021-05-19 HRL Laboratories, LLC Apparatus for making nanoparticles and nanoparticle suspensions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1887577A (en) * 1928-03-22 1932-11-15 Bridger Theo Eustace Method of and apparatus for creating metallic spray
US2795819A (en) * 1954-08-23 1957-06-18 Erwin A Lezberg Apparatus for the preparation of metal powder
US3275787A (en) * 1963-12-30 1966-09-27 Gen Electric Process and apparatus for producing particles by electron melting and ultrasonic agitation
US3313608A (en) * 1964-12-11 1967-04-11 Corning Glass Works Method and apparatus for manufacturing glass beads
US3752610A (en) * 1969-12-18 1973-08-14 S Glazunov Device for producing fine powder of liquid metal

Also Published As

Publication number Publication date
FR2222159A1 (en) 1974-10-18
JPS5062852A (en) 1975-05-29
US3830603A (en) 1974-08-20
DE2413973B2 (en) 1977-06-08
FR2222159B1 (en) 1979-03-16
DE2413973A1 (en) 1974-09-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee