CN112996616A - 一种水雾化法制备金属粉末的方法 - Google Patents

一种水雾化法制备金属粉末的方法 Download PDF

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Publication number
CN112996616A
CN112996616A CN201880099404.7A CN201880099404A CN112996616A CN 112996616 A CN112996616 A CN 112996616A CN 201880099404 A CN201880099404 A CN 201880099404A CN 112996616 A CN112996616 A CN 112996616A
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China
Prior art keywords
powder
water
copper
metal powder
drying
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CN201880099404.7A
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黄劲松
金鑫
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Hunan Terry New Materials Co ltd
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Hunan Terry New Materials Co ltd
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0425—Copper-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • 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
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • 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
    • B22F2009/0824—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 with a specific atomising fluid
    • B22F2009/0828—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 with a specific atomising fluid with water
    • 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
    • B22F2009/0848—Melting process before atomisation
    • 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
    • B22F2009/086—Cooling after atomisation
    • 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
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/10—Copper
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • 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)
  • Manufacture And Refinement Of Metals (AREA)
  • Powder Metallurgy (AREA)

Abstract

一种水雾化法制备金属粉末的方法，该方法包括熔炼、雾化、分离和干燥步骤，在所述干燥步骤中，对金属粉末进行冷冻干燥。经过实验发现，冷冻干燥是影响铜及铜合金氧含量指标的重要影响因素，可应用至低氧含量的铜及铜合金粉末、甚至金属粉末的制备过程中。该方法还考虑了雾化过程中的所有可能被氧化的细节，采取了综合措施，使铜及铜合金粉末被氧化的几率被大幅度减少，从而有效降低了水雾化粉末的氧含量和耐氧化能力，在长期保存的过程也不易被氧化。

Description

PCT国内申请，说明书已公开。

Claims (12)

  1. PCT国内申请，权利要求书已公开。
CN201880099404.7A 2018-11-20 2018-11-20 一种水雾化法制备金属粉末的方法 Pending CN112996616A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/116366 WO2020102963A1 (zh) 2018-11-20 2018-11-20 一种水雾化法制备金属粉末的方法

Publications (1)

Publication Number Publication Date
CN112996616A true CN112996616A (zh) 2021-06-18

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US (1) US20210323063A1 (zh)
EP (1) EP3885064A4 (zh)
JP (1) JP7242855B2 (zh)
CN (1) CN112996616A (zh)
WO (1) WO2020102963A1 (zh)

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CN115533110A (zh) * 2022-12-05 2022-12-30 福州市富恒新材料有限公司 一种铜锌合金粉末的制备方法

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CN113351873A (zh) * 2021-06-08 2021-09-07 金川镍钴研究设计院有限责任公司 一种注射成形用的低氧不锈钢粉生产方法
CN115740467B (zh) * 2022-11-01 2024-06-25 福建富恒新材料有限公司 一种铜锡合金粉末生产工艺及生产装置

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JPH07113106A (ja) * 1993-10-12 1995-05-02 Daido Kagaku Kogyo Kk 非鉄金属粉末製造における非鉄金属粉末の酸化防止方法
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115533110A (zh) * 2022-12-05 2022-12-30 福州市富恒新材料有限公司 一种铜锌合金粉末的制备方法
CN115533110B (zh) * 2022-12-05 2023-03-10 福州市富恒新材料有限公司 一种铜锌合金粉末的制备方法

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JP2022507703A (ja) 2022-01-18
JP7242855B2 (ja) 2023-03-20
US20210323063A1 (en) 2021-10-21
EP3885064A4 (en) 2021-12-22
WO2020102963A1 (zh) 2020-05-28
EP3885064A1 (en) 2021-09-29

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