GB1175890A - Fabrication of Spherical Metallic Particles - Google Patents

Fabrication of Spherical Metallic Particles

Info

Publication number
GB1175890A
GB1175890A GB40280/67A GB4028067A GB1175890A GB 1175890 A GB1175890 A GB 1175890A GB 40280/67 A GB40280/67 A GB 40280/67A GB 4028067 A GB4028067 A GB 4028067A GB 1175890 A GB1175890 A GB 1175890A
Authority
GB
United Kingdom
Prior art keywords
metal
binder
metal powder
masses
protective atmosphere
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
GB40280/67A
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.)
Olin Corp
Original Assignee
Olin 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 Olin Corp filed Critical Olin Corp
Publication of GB1175890A publication Critical patent/GB1175890A/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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/148—Agglomerating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/953—Producing spheres

Abstract

1,175,890. Casting processes; making metal spheres. OLIN MATHIESON CHEMICAL CORP. 4 Sept., 1967 [8 Sept., 1966], No. 40280/67. Headings B3A and B3F. [Also in Divisions C7 and E1] A process for obtaining spherical metal particles comprises providing powdered metal preferably having a particle size below 100 mesh, providing less than 10% by weight of a binder which volatilizes above 150‹ and 200‹ F. below the melting point of said metal powder, admixing said metal powder and binder in the presence of from 5 to 35% by weight of moisture to form agglomerated masses of metal powder and binder, coating said masses with a weld preventing material, heating said coated masses in a protective atmosphere to a temperature above the volatilization temperature of said binder, and heating further in a protective atmosphere above the melting point of said metal powder to form a plurality of coherent metal spheres. The spherical particles may contain metallic additives which do not alloy and also non-metallic additives. The metal may be copper or copper alloy, aluminium or aluminium alloy, ferrous materials, noble metals, precious metals, titanium, magnesium, zinc, nickel, beryllium, solders &c. The binder may be a brazing flux, polyethylene glycol, metal stearates, stearic acid, organic binders, gum &c. The moisture may be provided by water, alcohols, acetone, toluene, benzene, naptha, carbon tetrachloride, trichlorethylene &c. The weld preventing material may be talc, lime, graphite, alumina, titanium dioxide, zirconium oxide, flour, non-reducible oxides, and mixtures thereof. The protective atmosphere may be provided by hydrogen, carbon monoxide, dissociated ammonia, nitrogen, argon, helium and may be a neutral or a reducing gas.
GB40280/67A 1966-09-08 1967-09-04 Fabrication of Spherical Metallic Particles Expired GB1175890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57784066A 1966-09-08 1966-09-08

Publications (1)

Publication Number Publication Date
GB1175890A true GB1175890A (en) 1970-01-01

Family

ID=24310365

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40280/67A Expired GB1175890A (en) 1966-09-08 1967-09-04 Fabrication of Spherical Metallic Particles

Country Status (2)

Country Link
US (1) US3434831A (en)
GB (1) GB1175890A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR96445E (en) * 1968-05-14 1972-06-30 Olin Mathieson Process for the production of metallic powders with spherical particles.
US3655451A (en) * 1969-04-14 1972-04-11 Yardney International Corp Method of making an alkaline impregnated electrode
FR2299932A1 (en) * 1975-02-07 1976-09-03 Anvar VERY FINE DIVIDED LITHIUM AND ITS MANUFACTURING PROCESS
DE3303680A1 (en) * 1983-02-03 1984-08-09 Siemens AG, 1000 Berlin und 8000 München METHOD FOR GRANULATING NON-FLOWABLE METAL POWDER OR METAL POWDER MIXTURES
CA3009630C (en) 2015-12-16 2023-08-01 Amastan Technologies Llc Spheroidal dehydrogenated metals and metal alloy particles
US10987735B2 (en) 2015-12-16 2021-04-27 6K Inc. Spheroidal titanium metallic powders with custom microstructures
CN107414072A (en) * 2017-07-03 2017-12-01 湖南宁乡吉唯信金属粉体有限公司 A kind of preparation method of alumina-coated aluminium powder
CA3104080A1 (en) 2018-06-19 2019-12-26 6K Inc. Process for producing spheroidized powder from feedstock materials
CA3134573A1 (en) 2019-04-30 2020-11-05 Sunil Bhalchandra BADWE Mechanically alloyed powder feedstock
KR102644961B1 (en) 2019-04-30 2024-03-11 6케이 인크. Lithium Lanthanum Zirconium Oxide (LLZO) Powder
EP4061787B1 (en) 2019-11-18 2024-05-01 6K Inc. Unique feedstocks for spherical powders and methods of manufacturing
US11590568B2 (en) 2019-12-19 2023-02-28 6K Inc. Process for producing spheroidized powder from feedstock materials
KR20230029836A (en) 2020-06-25 2023-03-03 6케이 인크. Microcomposite alloy structure
AU2021349358A1 (en) 2020-09-24 2023-02-09 6K Inc. Systems, devices, and methods for starting plasma
US11919071B2 (en) 2020-10-30 2024-03-05 6K Inc. Systems and methods for synthesis of spheroidized metal powders

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179960A (en) * 1931-11-28 1939-11-14 Schwarzkopf Paul Agglomerated material in particular for electrical purposes and shaped bodies made therefrom
US2370396A (en) * 1943-07-16 1945-02-27 Hardy Metallurg Company Powder metallurgy
US2857270A (en) * 1950-12-27 1958-10-21 Hoganas Billesholms Ab Method for the production of metal powder for powder metallurgical purposes
GB689349A (en) * 1951-02-09 1953-03-25 Hoeganaes Ab Improved method of producing metal powder for powder metallurgical purposes
GB818191A (en) * 1956-11-30 1959-08-12 Atomic Energy Authority Uk Improvements in or relating to the treatment of metals in powder form
DE1280512B (en) * 1958-09-19 1968-10-17 Siemens Ag Process for the production of pressed and sintered workpieces from non-flowing metal powder or metal powder mixture
DE1171623B (en) * 1961-11-24 1964-06-04 Huettenwerk Oberhausen Ag Process for the production of dense, little porous or non-porous iron powder from sponge iron
US3326679A (en) * 1965-03-12 1967-06-20 Alloys Res & Mfg Corp Process for improved sintering

Also Published As

Publication number Publication date
US3434831A (en) 1969-03-25

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