DK2571807T3 - Kugleformet pulver og dets fremstilling - Google Patents

Kugleformet pulver og dets fremstilling Download PDF

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Publication number
DK2571807T3
DK2571807T3 DK11721505.3T DK11721505T DK2571807T3 DK 2571807 T3 DK2571807 T3 DK 2571807T3 DK 11721505 T DK11721505 T DK 11721505T DK 2571807 T3 DK2571807 T3 DK 2571807T3
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DK
Denmark
Prior art keywords
crucible
powder
chamber
carbon
temperature
Prior art date
Application number
DK11721505.3T
Other languages
English (en)
Inventor
Ruslan Alekseevich Shevchenko
Andrey Pavlovich Chukanov
Boris Vladimirovich Safronov
Yuri Gennadievich Nadezhdin
Alexander Yurievich Vakhrushin
Original Assignee
Metasphere Tech Ab
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.)
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Publication date
Priority claimed from RU2010123471/02A external-priority patent/RU2446915C2/ru
Application filed by Metasphere Tech Ab filed Critical Metasphere Tech Ab
Application granted granted Critical
Publication of DK2571807T3 publication Critical patent/DK2571807T3/da

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/949—Tungsten or molybdenum carbides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/18—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using a vibrating apparatus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Claims (15)

1. Fremgangsmåde til fremstilling af et kugleformet pulver omfattende wolframkarbid, idet fremgangsmåden omfatter trinnene: a) at tilvejebringe et kammer omfattende et roterbart digel, b) at tilsætte materiale til det roterbare digel, c) at smelte materialet, hvor opvarmning mindst delvist udføres under anvendelse af en plasmalysbue, d) at rotere diglen for at danne flydende dråber, med efterfølgende afkøling af dråberne for at opnå et pulver, kendetegnet ved at materialet tilsat det roterbare digel opvarmes til en temperatur fra 40% til 80% af materialets smeltepunkt inden det kommes i diglen, og at materialet tilsat diglen omfatter kulstof (C) og wolfram (W).
2. Fremgangsmåde ifølge krav 1, hvor materialet tilsat diglen omfatter 3,9-4,5 vægtprocent kulstof.
3. Fremgangsmåde ifølge et hvilket som helst af kravene 1-2, hvor en gas omfattende mindst en gas valgt fra gruppen bestående af argon, helium, og nitrogen anvendes i kammeret.
4. Fremgangsmåde ifølge et hvilket som helst af kravene 1-3, hvor plasmalysbuen skiftevis rettes mod midten af diglen og mod kanten af diglen.
5. Fremgangsmåde ifølge et hvilket som helst af kravene 1-4, hvor temperaturen på det smeltede materiale holdes over materialets smeltepunkt.
6. Fremgangsmåde ifølge et hvilket som helst af kravene 1-5, hvor temperaturen på det smeltede materiale er mere end 20 °C over materialets smeltepunkt.
7. Fremgangsmåde ifølge et hvilket som helst af kravene 1-6, hvor pulveret omfatter en eutektisk blanding af WC- og W2C-faser.
8. Fremgangsmåde ifølge et hvilket som helst af kravene 1-7, hvor diglen vibrerer.
9. Indretning egnet til fremstilling af et kugleformet pulver omfattende wolframkarbid, idet indretningen omfatter et kammer, et låg, en bevægelig plasmabrænder, et cylinderformet afkølet digel, en opsamlingsindretning til det fremstillede pulver, kendetegnet ved at indretningen omfatter en varmeindretning til materialet der skal tilsættes diglen og hvor varmeindretningen er indrettet til at opvarme materialet til en temperatur fra 40% til 80% af materialets smeltepunkt inden det kommes i diglen.
10. Indretning ifølge krav 9, hvor varmeindretningen er en bakke omfattende et varmelegeme.
11. Indretning ifølge krav 9, hvor varmeindretningen er et rørformet varmelegeme.
12. Indretning ifølge krav 9, hvor varmeindretningen er fremstillet af kulstofmateriale.
13. Indretning ifølge et hvilket som helst af kravene 9-12, hvor indretningen endvidere omfatter en fødemekanisme indrettet til at lede materialet til diglen ved hjælp af vibrationer.
14. Indretning ifølge et hvilket som helst af kravene 9-13, hvor indretningen endvidere omfatter en fødemekanisme indrettet til at lede materialet til diglen ved hjælp af rotation.
15. Indretning ifølge et hvilket som helst af kravene 9-14, hvor diglen er indrettet til at vibrere.
DK11721505.3T 2010-05-18 2011-05-18 Kugleformet pulver og dets fremstilling DK2571807T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU2010119573 2010-05-18
RU2010123471/02A RU2446915C2 (ru) 2010-06-10 2010-06-10 Способ получения порошка тугоплавкого материала и устройство для его осуществления
PCT/EP2011/058073 WO2011144668A1 (en) 2010-05-18 2011-05-18 Spherical powder and its preparation

Publications (1)

Publication Number Publication Date
DK2571807T3 true DK2571807T3 (da) 2016-11-21

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Application Number Title Priority Date Filing Date
DK11721505.3T DK2571807T3 (da) 2010-05-18 2011-05-18 Kugleformet pulver og dets fremstilling

Country Status (11)

Country Link
US (1) US8784706B2 (da)
EP (2) EP3090985B1 (da)
JP (1) JP5815684B2 (da)
CN (2) CN105731462B (da)
AU (1) AU2011254574B2 (da)
CA (2) CA2799342C (da)
DK (1) DK2571807T3 (da)
ES (2) ES2925034T3 (da)
PL (1) PL2571807T3 (da)
PT (1) PT2571807T (da)
WO (1) WO2011144668A1 (da)

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US9604345B2 (en) * 2013-11-01 2017-03-28 National Oilwell DHT, L.P. Hard-facing for downhole tools and matrix bit bodies with enhanced wear resistance and fracture toughness
CN103949650A (zh) * 2014-04-25 2014-07-30 云南锡业集团有限责任公司研究设计院 一种柱状锌粉的制备方法
EP4324577A1 (en) 2015-12-16 2024-02-21 6K Inc. Method of producing spheroidal dehydrogenated titanium alloy particles
US10987735B2 (en) 2015-12-16 2021-04-27 6K Inc. Spheroidal titanium metallic powders with custom microstructures
CN106115705B (zh) * 2016-06-27 2018-05-25 乌克兰巴顿焊接研究所 一种难熔碳化钨wc+w2c球形粉末的制备方法
RU2644483C2 (ru) * 2016-07-21 2018-02-12 Руслан Алексеевич Шевченко Способ получения сферического порошка монокарбида вольфрама wc
CN107914021B (zh) * 2017-11-23 2019-09-03 北京科技大学 一种高通量研究制备难熔金属材料样品的装置及方法
CN107999780A (zh) * 2017-12-29 2018-05-08 西安赛隆金属材料有限责任公司 一种制备金属球形粉末的装置及方法
CN108097977B (zh) * 2018-02-01 2021-02-12 广东美瑞克微金属磁电科技有限公司 一种铁硅铝软磁合金粉末的等离子雾化制取方法
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CN109175393A (zh) * 2018-11-21 2019-01-11 孟静 3d打印合金粉末的快速制备装置
CN109332718A (zh) * 2018-11-21 2019-02-15 孟静 3d打印合金粉末的快速制备方法
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CN110253029B (zh) * 2019-06-21 2020-08-04 燕山大学 一种颗粒增强型预合金粉末及其制备方法与应用
EP4061787B1 (en) 2019-11-18 2024-05-01 6K Inc. Unique feedstocks for spherical powders and methods of manufacturing
CN111036342B (zh) * 2019-12-05 2021-01-15 四川大学 一种聚合物基球形粉体的制备装置及制备工艺
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Publication number Publication date
JP2013528147A (ja) 2013-07-08
ES2925034T3 (es) 2022-10-13
JP5815684B2 (ja) 2015-11-17
EP3090985B1 (en) 2022-05-25
AU2011254574A1 (en) 2012-11-29
EP2571807A1 (en) 2013-03-27
US8784706B2 (en) 2014-07-22
CA2799342A1 (en) 2011-11-24
WO2011144668A1 (en) 2011-11-24
PT2571807T (pt) 2016-11-02
CN105731462A (zh) 2016-07-06
ES2599369T3 (es) 2017-02-01
PL2571807T3 (pl) 2017-01-31
CA2918127C (en) 2018-08-21
US20130134613A1 (en) 2013-05-30
CN103068731A (zh) 2013-04-24
AU2011254574B2 (en) 2014-07-03
CA2918127A1 (en) 2011-11-24
EP2571807B1 (en) 2016-07-27
CN105731462B (zh) 2021-01-12
EP3090985A1 (en) 2016-11-09
CA2799342C (en) 2016-03-29

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