CN117940235A - 制备具有高比表面积的钨金属粉末的方法 - Google Patents

制备具有高比表面积的钨金属粉末的方法 Download PDF

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Publication number
CN117940235A
CN117940235A CN202280060438.1A CN202280060438A CN117940235A CN 117940235 A CN117940235 A CN 117940235A CN 202280060438 A CN202280060438 A CN 202280060438A CN 117940235 A CN117940235 A CN 117940235A
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CN
China
Prior art keywords
metal powder
tungsten metal
specific surface
temperature
surface area
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.)
Pending
Application number
CN202280060438.1A
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English (en)
Chinese (zh)
Inventor
帝诺·佐伊伯利希
约尔根·埃克斯纳
克努特·瓦内克
哈拉尔德·厄尔曼
尤利亚妮·米斯-马克特舍费尔
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.)
HC Starck Tungsten GmbH
Original Assignee
HC Starck Tungsten GmbH
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 HC Starck Tungsten GmbH filed Critical HC Starck Tungsten GmbH
Publication of CN117940235A publication Critical patent/CN117940235A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • B22F1/05Metallic powder characterised by the size or surface area of the 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
    • B22F1/145Chemical treatment, e.g. passivation or decarburisation
    • 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
    • B22F9/22Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • 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
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10Processes characterised by the sequence of their steps
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
CN202280060438.1A 2021-10-14 2022-10-13 制备具有高比表面积的钨金属粉末的方法 Pending CN117940235A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21202577 2021-10-14
EP21202577.9 2021-10-14
PCT/EP2022/078517 WO2023062130A1 (de) 2021-10-14 2022-10-13 Verfahren zur herstellung eines wolframmetall-pulvers mit grosser spezifischer oberfläche

Publications (1)

Publication Number Publication Date
CN117940235A true CN117940235A (zh) 2024-04-26

Family

ID=78211911

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280060438.1A Pending CN117940235A (zh) 2021-10-14 2022-10-13 制备具有高比表面积的钨金属粉末的方法

Country Status (4)

Country Link
CN (1) CN117940235A (de)
CA (1) CA3228734A1 (de)
IL (1) IL311591A (de)
WO (1) WO2023062130A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1098246A (en) 1964-07-06 1968-01-10 Atomic Energy Commission Production of low particle size-high surface area metal powders
US20030121365A1 (en) 2001-11-20 2003-07-03 Bruce Dover Method of producing fine tungsten powder from tungsten oxides
CN100357050C (zh) 2005-09-12 2007-12-26 北京科技大学 一种工业用透气强排水式纳米钨粉还原炉
WO2014097698A1 (ja) 2012-12-17 2014-06-26 昭和電工株式会社 タングステン微粉の製造方法
JP5750200B1 (ja) 2013-12-20 2015-07-15 昭和電工株式会社 タングステン粉、コンデンサの陽極体、及び電解コンデンサ
RU2558691C1 (ru) 2014-03-12 2015-08-10 Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) Способ получения порошка вольфрама
CN106623960B (zh) 2016-11-07 2018-07-31 北京科技大学 一种硼化锆弥散强化钨粉的制备方法
CN109014231B (zh) 2018-08-15 2021-09-10 赣州虹飞钨钼材料有限公司 一种复合稀土钨粉的制备方法

Also Published As

Publication number Publication date
CA3228734A1 (en) 2023-04-20
WO2023062130A1 (de) 2023-04-20
IL311591A (en) 2024-05-01

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