EP3687720A4 - Poudres sphériques de haute qualité pour procédés de fabrication additive ainsi que leurs procédés de formation - Google Patents

Poudres sphériques de haute qualité pour procédés de fabrication additive ainsi que leurs procédés de formation Download PDF

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Publication number
EP3687720A4
EP3687720A4 EP18849902.4A EP18849902A EP3687720A4 EP 3687720 A4 EP3687720 A4 EP 3687720A4 EP 18849902 A EP18849902 A EP 18849902A EP 3687720 A4 EP3687720 A4 EP 3687720A4
Authority
EP
European Patent Office
Prior art keywords
formation
methods
high quality
additive manufacturing
manufacturing processes
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
EP18849902.4A
Other languages
German (de)
English (en)
Other versions
EP3687720A1 (fr
Inventor
Rajendra Madhukar KELKAR
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP3687720A1 publication Critical patent/EP3687720A1/fr
Publication of EP3687720A4 publication Critical patent/EP3687720A4/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • B22F9/06Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08Making 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
    • B22F9/082Making 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
    • 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
    • B22F1/052Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • 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
    • B22F1/065Spherical 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
    • 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
    • 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
    • B22F9/12Making metallic powder or suspensions thereof using physical processes starting from gaseous material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00Materials specially adapted for additive manufacturing
    • B33Y70/10Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
    • 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
    • B22F9/06Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08Making 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
    • B22F9/082Making 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
    • B22F2009/0824Making 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
    • B22F2009/0828Making 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
    • 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
    • B22F9/06Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08Making 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
    • B22F9/082Making 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
    • B22F2009/084Making 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 combination of methods
    • 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
    • B22F2202/00Treatment under specific physical conditions
    • B22F2202/13Use of plasma
    • 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
    • B22F2301/05Light metals
    • B22F2301/052Aluminium
    • 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
    • B22F2301/15Nickel or cobalt
    • 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
    • B22F2301/35Iron
    • 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
    • B22F2304/00Physical aspects of the powder
    • B22F2304/10Micron size particles, i.e. above 1 micrometer up to 500 micrometer
    • 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Nanotechnology (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Glanulating (AREA)
EP18849902.4A 2017-08-30 2018-07-27 Poudres sphériques de haute qualité pour procédés de fabrication additive ainsi que leurs procédés de formation Pending EP3687720A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762551981P 2017-08-30 2017-08-30
US15/962,216 US20190061005A1 (en) 2017-08-30 2018-04-25 High Quality Spherical Powders for Additive Manufacturing Processes Along With Methods of Their Formation
PCT/US2018/044089 WO2019045923A1 (fr) 2017-08-30 2018-07-27 Poudres sphériques de haute qualité pour procédés de fabrication additive ainsi que leurs procédés de formation

Publications (2)

Publication Number Publication Date
EP3687720A1 EP3687720A1 (fr) 2020-08-05
EP3687720A4 true EP3687720A4 (fr) 2021-08-04

Family

ID=65436265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18849902.4A Pending EP3687720A4 (fr) 2017-08-30 2018-07-27 Poudres sphériques de haute qualité pour procédés de fabrication additive ainsi que leurs procédés de formation

Country Status (6)

Country Link
US (1) US20190061005A1 (fr)
EP (1) EP3687720A4 (fr)
JP (3) JP2020532650A (fr)
CN (1) CN111093866A (fr)
CA (1) CA3071833A1 (fr)
WO (1) WO2019045923A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3389862B1 (fr) 2015-12-16 2023-12-06 6K Inc. Procede de production de particules spheroides deshydrogenes en alliage de titane
US10987735B2 (en) 2015-12-16 2021-04-27 6K Inc. Spheroidal titanium metallic powders with custom microstructures
CN112654444A (zh) 2018-06-19 2021-04-13 6K有限公司 由原材料制造球化粉末的方法
US11611130B2 (en) 2019-04-30 2023-03-21 6K Inc. Lithium lanthanum zirconium oxide (LLZO) powder
SG11202111576QA (en) 2019-04-30 2021-11-29 6K Inc Mechanically alloyed powder feedstock
KR20220100861A (ko) 2019-11-18 2022-07-18 6케이 인크. 구형 분말을 위한 고유한 공급원료 및 제조 방법
US11590568B2 (en) 2019-12-19 2023-02-28 6K Inc. Process for producing spheroidized powder from feedstock materials
WO2021263273A1 (fr) 2020-06-25 2021-12-30 6K Inc. Structure d'alliage microcomposite
JP2023542955A (ja) 2020-09-24 2023-10-12 シックスケー インコーポレイテッド プラズマを始動させるためのシステム、装置、および方法
CA3196653A1 (fr) 2020-10-30 2022-05-05 Sunil Bhalchandra BADWE Systemes et procedes de synthese de poudres metalliques spheroidales
CN113134605B (zh) * 2021-04-19 2023-01-17 山东理工大学 等离子球化脱氧3d打印金属粉体制备方法
CN113134617B (zh) * 2021-04-19 2023-01-17 山东理工大学 等离子球化脱氧3d打印金属粉体制备装置
CN115007851B (zh) * 2022-06-20 2024-02-06 华材(山东)新材料有限公司 一种一步法生产3d打印用超细球形钌粉的装置及方法
CN117001004B (zh) * 2023-09-28 2023-12-05 西安赛隆增材技术股份有限公司 一种微波等离子制粉装置及制粉方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808217A (en) * 1988-05-23 1989-02-28 Gte Products Corporation Process for producing fine spherical particles having a low oxygen content
US6689192B1 (en) * 2001-12-13 2004-02-10 The Regents Of The University Of California Method for producing metallic nanoparticles
WO2015174949A1 (fr) * 2014-05-14 2015-11-19 Amastan Technologies Llc Procédé pour la densification et la sphéroïdisation de gouttelettes de précurseur solide et de solution de matériaux à l'aide d'un plasma
CN105689728A (zh) * 2016-02-16 2016-06-22 连云港倍特超微粉有限公司 一种生产3d打印用金属合金球形粉体的装置及其方法
US20170165791A1 (en) * 2015-12-10 2017-06-15 Canon Kabushiki Kaisha Method for treating raw-material powder, apparatus for treating raw-material powder, and method for producing object

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2702796B2 (ja) * 1990-02-23 1998-01-26 旭化成工業株式会社 銀合金導電性ペースト
US5294242A (en) * 1991-09-30 1994-03-15 Air Products And Chemicals Method for making metal powders
JP2001320097A (ja) * 2000-05-09 2001-11-16 Komatsu Ltd 熱電素子とその製造方法及びこれを用いた熱電モジュール
JP4317451B2 (ja) * 2001-10-05 2009-08-19 テクナ・プラズマ・システムズ・インコーポレーテッド 固体電源のためのマルチコイル型誘導プラズマトーチ
JP2003168594A (ja) * 2001-11-29 2003-06-13 High Frequency Heattreat Co Ltd 高周波熱プラズマ装置
WO2003095130A1 (fr) * 2002-05-08 2003-11-20 Dana Corporation Frittage assiste par plasma
US6911618B1 (en) * 2004-02-03 2005-06-28 Hitachi Metals, Ltd. Method of producing minute metal balls
JP4609763B2 (ja) * 2004-10-15 2011-01-12 日立金属株式会社 低酸素金属粉末の製造方法
US7662253B2 (en) * 2005-09-27 2010-02-16 Lam Research Corporation Apparatus for the removal of a metal oxide from a substrate and methods therefor
US20100314788A1 (en) * 2006-08-18 2010-12-16 Cheng-Hung Hung Production of Ultrafine Particles in a Plasma System Having Controlled Pressure Zones
GB2543058B (en) * 2015-10-06 2022-04-06 Wallwork Cambridge Ltd Smoothing the surface finish of rough metal articles
TWI692382B (zh) * 2016-01-27 2020-05-01 史達克公司 高熵合金絲及多主元合金絲,及其預形成物、製造方法和應用

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4808217A (en) * 1988-05-23 1989-02-28 Gte Products Corporation Process for producing fine spherical particles having a low oxygen content
US6689192B1 (en) * 2001-12-13 2004-02-10 The Regents Of The University Of California Method for producing metallic nanoparticles
WO2015174949A1 (fr) * 2014-05-14 2015-11-19 Amastan Technologies Llc Procédé pour la densification et la sphéroïdisation de gouttelettes de précurseur solide et de solution de matériaux à l'aide d'un plasma
US20170165791A1 (en) * 2015-12-10 2017-06-15 Canon Kabushiki Kaisha Method for treating raw-material powder, apparatus for treating raw-material powder, and method for producing object
CN105689728A (zh) * 2016-02-16 2016-06-22 连云港倍特超微粉有限公司 一种生产3d打印用金属合金球形粉体的装置及其方法

Also Published As

Publication number Publication date
US20190061005A1 (en) 2019-02-28
JP2022023873A (ja) 2022-02-08
WO2019045923A1 (fr) 2019-03-07
CA3071833A1 (fr) 2019-03-07
CN111093866A (zh) 2020-05-01
JP2020532650A (ja) 2020-11-12
JP2023082045A (ja) 2023-06-13
EP3687720A1 (fr) 2020-08-05

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