CN109312424A - 一种片状钽粉及其制备方法 - Google Patents

一种片状钽粉及其制备方法 Download PDF

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Publication number
CN109312424A
CN109312424A CN201680086461.2A CN201680086461A CN109312424A CN 109312424 A CN109312424 A CN 109312424A CN 201680086461 A CN201680086461 A CN 201680086461A CN 109312424 A CN109312424 A CN 109312424A
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China
Prior art keywords
tantalum powder
flaked
powder
deoxidation
nitrogen
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Pending
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CN201680086461.2A
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English (en)
Inventor
陈学清
程越伟
马跃忠
李仲香
王治道
李霞
师德军
赵忠环
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Ningxia Orient Tantalum Industry Co Ltd
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Ningxia Orient Tantalum Industry Co Ltd
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Publication of CN109312424A publication Critical patent/CN109312424A/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/16Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/06Metallic powder characterised by the shape of the particles
    • B22F1/068Flake-like particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14Treatment of metallic powder
    • B22F1/142Thermal or thermo-mechanical treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14Treatment of metallic powder
    • B22F1/145Chemical treatment, e.g. passivation or decarburisation
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00Obtaining refractory metals
    • C22B34/20Obtaining niobium, tantalum or vanadium
    • C22B34/24Obtaining niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/045Alloys based on refractory metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/042Electrodes or formation of dielectric layers thereon characterised by the material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/048Electrodes or formation of dielectric layers thereon characterised by their structure
    • H01G9/052Sintered electrodes
    • H01G9/0525Powder therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/15Solid electrolytic capacitors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/041Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00Metallic composition of the powder or its coating
    • B22F2301/20Refractory metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Nanotechnology (AREA)
  • Thermal Sciences (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

一种片状钽粉及其制备方法,该片状钽粉含有氮300~1800ppm、磷10‑100ppm和硼1‑40ppm。该片状钽粉容量高,漏电流低,耐击穿性能好,尤其高频特性突出。通过在进行三次热处理前的降氧过程中进行掺氮,而后进行三次热处理及后序工艺的方案,改善了氮元素分布的均匀性,弥补了氧化膜的缺陷,从而提高了产品的耐压性,尤其高频特性。

Description

PCT国内申请,说明书已公开。

Claims (10)

  1. PCT国内申请,权利要求书已公开。
CN201680086461.2A 2016-07-13 2016-07-13 一种片状钽粉及其制备方法 Pending CN109312424A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/089874 WO2018010108A1 (zh) 2016-07-13 2016-07-13 一种片状钽粉及其制备方法

Publications (1)

Publication Number Publication Date
CN109312424A true CN109312424A (zh) 2019-02-05

Family

ID=60952280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680086461.2A Pending CN109312424A (zh) 2016-07-13 2016-07-13 一种片状钽粉及其制备方法

Country Status (9)

Country Link
US (1) US20190308247A1 (zh)
EP (1) EP3486338B1 (zh)
JP (1) JP6977021B2 (zh)
KR (1) KR20190028745A (zh)
CN (1) CN109312424A (zh)
IL (1) IL264192B2 (zh)
MX (1) MX2019000450A (zh)
RU (1) RU2734851C2 (zh)
WO (1) WO2018010108A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113199021A (zh) * 2021-04-09 2021-08-03 宁波职业技术学院 一种建筑材料用高性能镁合金复合粉体及其制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2023074413A1 (zh) * 2021-10-28 2023-05-04
CN115223798B (zh) * 2022-07-29 2024-10-11 长春维鸿东光电子器材有限公司 一种轴向引出有机高分子钽固定电容器的制造方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1052070A (zh) * 1989-11-20 1991-06-12 宁夏有色金属冶炼厂 电容器级钽粉的生产方法
CN1108036A (zh) * 1993-04-26 1995-09-06 卡伯特公司 生产改进钽粉的方法和由此制作的高电容低漏电电级
JP2002030301A (ja) * 2000-07-12 2002-01-31 Showa Kyabotto Super Metal Kk 窒素含有金属粉末およびその製造方法ならびにそれを用いた多孔質焼結体および固体電解コンデンサ
CN1433485A (zh) * 2000-02-08 2003-07-30 卡伯特超金属株式会社 含氮的钽或铌粉末的制备和固体电解质电容器
CN1832823A (zh) * 2003-06-10 2006-09-13 卡伯特公司 钽粉及其制造方法
CN1872461A (zh) * 2001-08-15 2006-12-06 卡伯特超金属株式会社 含氮金属粉末及其制造方法和采用该粉末的多孔质烧结体及固体电解电容器
CN101234425A (zh) * 2008-01-11 2008-08-06 宁夏东方钽业股份有限公司 含氮均匀的阀金属粉末及其制造方法,阀金属坯块和阀金属烧结体以及电解电容器的阳极
CN102120258A (zh) * 2011-02-14 2011-07-13 宁夏东方钽业股份有限公司 钽粉的热处理方法

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US5211741A (en) * 1987-11-30 1993-05-18 Cabot Corporation Flaked tantalum powder
DE69516556T2 (de) * 1994-01-26 2000-09-07 H.C. Starck, Inc. Verfahren zum Nitrieren von Tantalpulver
CZ301097B6 (cs) * 1997-02-19 2009-11-04 H.C. Starck Gmbh Tantalový prášek sestávající z aglomerátu, zpusob jeho výroby a z nej získané slinuté anody
CN1258417C (zh) * 1998-05-06 2006-06-07 H·C·施塔克公司 金属粉末的制备方法
EP1144147B8 (en) * 1998-05-06 2012-04-04 H.C. Starck GmbH METHOD FOR PRODUCING METAL POWDERS BY REDUCTION OF THE OXIDES, Nb AND Nb-Ta POWDERS AND CAPACITOR ANODE OBTAINED THEREWITH
BR0108905A (pt) * 2000-03-01 2003-03-18 Cabot Corp Metais nitrificados para válvula e processos para fabricação dos mesmos

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1052070A (zh) * 1989-11-20 1991-06-12 宁夏有色金属冶炼厂 电容器级钽粉的生产方法
CN1108036A (zh) * 1993-04-26 1995-09-06 卡伯特公司 生产改进钽粉的方法和由此制作的高电容低漏电电级
CN1236177A (zh) * 1993-04-26 1999-11-24 卡伯特公司 电容器级钽粉、由其得到的电容器及其在制造电容器阳极中的应用
CN1433485A (zh) * 2000-02-08 2003-07-30 卡伯特超金属株式会社 含氮的钽或铌粉末的制备和固体电解质电容器
JP2002030301A (ja) * 2000-07-12 2002-01-31 Showa Kyabotto Super Metal Kk 窒素含有金属粉末およびその製造方法ならびにそれを用いた多孔質焼結体および固体電解コンデンサ
CN1872461A (zh) * 2001-08-15 2006-12-06 卡伯特超金属株式会社 含氮金属粉末及其制造方法和采用该粉末的多孔质烧结体及固体电解电容器
CN1832823A (zh) * 2003-06-10 2006-09-13 卡伯特公司 钽粉及其制造方法
CN101234425A (zh) * 2008-01-11 2008-08-06 宁夏东方钽业股份有限公司 含氮均匀的阀金属粉末及其制造方法,阀金属坯块和阀金属烧结体以及电解电容器的阳极
CN102120258A (zh) * 2011-02-14 2011-07-13 宁夏东方钽业股份有限公司 钽粉的热处理方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113199021A (zh) * 2021-04-09 2021-08-03 宁波职业技术学院 一种建筑材料用高性能镁合金复合粉体及其制备方法
CN113199021B (zh) * 2021-04-09 2022-12-13 宁波职业技术学院 一种建筑材料用高性能镁合金复合粉体及其制备方法

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Publication number Publication date
IL264192B1 (en) 2023-08-01
RU2019103885A (ru) 2020-08-13
KR20190028745A (ko) 2019-03-19
JP2019527300A (ja) 2019-09-26
RU2019103885A3 (zh) 2020-08-13
EP3486338B1 (en) 2023-06-21
JP6977021B2 (ja) 2021-12-08
US20190308247A1 (en) 2019-10-10
MX2019000450A (es) 2019-09-23
IL264192A (zh) 2019-02-28
IL264192B2 (en) 2023-12-01
EP3486338A1 (en) 2019-05-22
WO2018010108A1 (zh) 2018-01-18
EP3486338A4 (en) 2020-02-26
RU2734851C2 (ru) 2020-10-23

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Application publication date: 20190205