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1. 发明申请

WO2023272871A1 钽钨合金粉末及其制备方法审中-公开
公开(公告)号：WO2023272871A1
公开(公告)日：2023-01-05
申请号：PCT/CN2021/110476
申请日：2021-08-04
申请人：宁夏东方钽业股份有限公司
发明人：李小平 , 张亚军 , 李兴钰 , 拓万勇 , 马晶 , 刘磊 , 车赛丽
IPC分类号： B22F9/02 , B22F9/023 , B22F9/14 , B33Y70/00 , C22C27/02
摘要：一种制备钽钨合金粉末的方法，包括以下步骤：提供钽钨合金铸锭；将所述钽钨合金铸锭熔炼反复熔炼多次；锻造上一步产物；将上一步产物至于氢气气氛下进行氢化热处理；机械破碎上一步产物，获得粗粉末；从粗粉末中筛分出粒径范围在aμm-bμm的粉末，a＝10～20，b＝50～60；将上一步产物在真空下进行脱氢热处理；向上一步产物中加入镁粉，进行降氧热处理；对上一步产物进行等离子球化处理，使粉末球形度达到99％以上。

2. 发明申请

WO2022095270A1 一种连续低温等离子体粉末处理和球磨生产装置及其方法审中-公开
公开(公告)号：WO2022095270A1
公开(公告)日：2022-05-12
申请号：PCT/CN2020/142595
申请日：2020-12-31
申请人：华南理工大学
发明人：朱敏 , 鲁忠臣 , 曾美琴 , 欧阳柳章 , 胡仁宗 , 王辉
IPC分类号： B22F9/04 , B22F9/14 , B02C21/00
摘要：一种连续低温等离子体粉末处理和球磨生产装置及其方法。该装置包括粉末循环输送管道系统（1）、球磨机（2）、低温等离子体放电管道（3）、真空出料系统（4）和可控制气氛系统（5），粉末循环输送管道系统（1）通过管道与球磨机（2）和低温等离子体放电管道（3）顺次连接，可控制气氛系统（5）与粉末循环输送管道系统（1）连接。利用粉末循环输送管道系统（1）来将待处理粉末在可控的气压和流转速度下进行循环输送，一方面在粉末输送过程中引入双介质阻挡放电结构形成低温等离子体放电管道（3），实现对流转物料粉末的等离子体放电处理，另一方面引入球磨机（2）来对等离子体放电处理的粉末进行球磨细化或者合金化，实现了大面积、均匀性和高能量的非平衡等离子体协同机械球磨共同处理粉末，可用于对常规金属、高分子或者氧化物粉末进行的表面循环改性处理。

3. 发明申请

WO2021027300A1 一种原位调控镍钛合金功能特性的4D打印方法及应用审中-公开
公开(公告)号：WO2021027300A1
公开(公告)日：2021-02-18
申请号：PCT/CN2020/083670
申请日：2020-04-08
申请人：华南理工大学
发明人：杨超 , 卢海洲 , 李元元
IPC分类号： B22F3/105 , B22F9/14 , B22F1/00 , B33Y10/00 , B33Y70/00
摘要：一种原位调控镍钛合金功能特性的4D打印方法及应用。将镍钛合金棒材通过雾化制粉，获得粒径为15～53μm的镍钛合金粉末，然后置于放电等离子体辅助球磨机中进行放电处理，促进粉末活性激活，然后加入粒径为100～800nm的纳米级镍粉，得到混合粉末，继续进行放电处理，使镍钛合金粉末与纳米镍粉之间实现冶金结合，得到改性粉末，最后将改性粉末通过增材制造技术制备成形，得到功能化的镍钛合金。

4. 发明申请

WO2021019303A1 METAL PARTICLES AND METHOD FOR PREPARATION THEREOF USING ELECTROEROSION DISPERSION 审中-公开
公开(公告)号：WO2021019303A1
公开(公告)日：2021-02-04
申请号：PCT/IB2020/000640
申请日：2020-07-31
申请人： MONASTYROV, Mykola
发明人： MONASTYROV, Mykola
IPC分类号： B22F9/14 , C02F1/28 , C22B4/02 , C22B4/04 , C22B4/06 , C22B4/08 , C22C1/04
摘要： In one aspect, a method for fabricating metal particles is disclosed, which includes adding a plurality of metallic elements into a plasma reactor comprising a circulating fluid and two electrodes, evaporating the metallic elements to form metal vapor using plasma generated by at least one electric discharge pulse between the electrodes; and condensing the metal vapor to form metal particles. In some embodiments, the metal particles comprise metal oxide particles. In some embodiments, the metal particles are useful as part of pharmaceutical compositions or dietary supplements.

5. 发明申请

WO2021005387A1 METHOD AND APPARATUS FOR MONITORING A SPARK DISCHARGE PARTICLE GENERATOR 审中-公开
公开(公告)号：WO2021005387A1
公开(公告)日：2021-01-14
申请号：PCT/HU2020/050027
申请日：2020-06-30
申请人： SZEGEDI TUDOMÁNYEGYETEM
发明人： GALBÁCS, Gábor , GERETOVSZKY, Zsolt , KOHUT, Attila
IPC分类号： G01N21/67 , B22F1/00 , G01N15/02 , G06F11/07 , H01J37/32 , B22F9/14 , G01N21/84
摘要： The invention is a method for monitoring a spark discharge particle generator adapted for generating particles, particularly nanoparticles, comprising the steps of - recording, during the generation of the particles in the particle generator (50), the value of monitored data by means of a monitoring optical detection device adapted for investigating generation of the particles, and deriving indicators from the monitored data (S320), - determining, over a reference acquisition time period, a reference value for the indicator (S330), - checking according to a checking time interval, in course of monitoring the generation of the particles over a production time period following the reference acquisition time period (S340), whether an error state can be identified (S350) in the particle generator (50), - in case an error state can be identified, an error signal is issued (S355), and the recording of the value of the monitored data is terminated, - in case an error state cannot be identified, actual value of the indicator(s), and/or a data obtained by an earlier value thereof is compared with the reference value(s) thereof (S360), and monitoring of generation of particles is continued, identifying a warning event (S370) in case a difference between the value of primary indicator and the reference value exceeds a first threshold value. The invention is furthermore an apparatus for monitoring a spark discharge particle generator adapted for generating particles, particularly nanoparticles.

6. 发明申请

WO2020050202A1 微粒子の製造装置および微粒子の製造方法审中-公开
公开(公告)号：WO2020050202A1
公开(公告)日：2020-03-12
申请号：PCT/JP2019/034379
申请日：2019-09-02
申请人：国立大学法人金沢大学 , 株式会社日清製粉グループ本社
发明人：田中　康規 , 清水　光太郎 , 末安　志織 , 渡邉　周 , 渡辺　智也 , 中村　圭太郎
IPC分类号： B01J19/08 , B01J2/04 , B22F9/14 , C01B33/021 , H05H1/30 , H05H1/46
摘要：より小さな微粒子を製造する微粒子の製造装置および微粒子の製造方法を提供する。微粒子の製造装置であって、微粒子製造用の原料を熱プラズマ炎中に供給する原料供給部と、内部に熱プラズマ炎が発生され、原料供給部により供給される原料を熱プラズマ炎にて蒸発させて気相状態の混合物とするプラズマトーチと、プラズマトーチの内部に熱プラズマ炎を発生させるプラズマ発生部と、熱プラズマ炎に、急冷ガスを供給する気体供給部とを有し、気体供給部は急冷ガスの供給量を時間変調して供給する。

7. 发明申请

WO2019232612A8 METHOD AND APPARATUS FOR PRODUCING HIGH PURITY SPHERICAL METALLIC POWDERS AT HIGH PRODUCTION RATES FROM ONE OR TWO WIRES 审中-公开
公开(公告)号：WO2019232612A8
公开(公告)日：2019-12-12
申请号：PCT/CA2019/000081
申请日：2019-06-06
申请人： PYROGENESIS CANADA INC.
发明人： PROULX, François , DORVAL DION, Christopher, Alex , CARABIN, Pierre
IPC分类号： B22F9/14 , H05H1/26
摘要： The present application relates to a plasma atomization process and apparatus for producing metallic powders from at least one wire/rod feedstock. In the process, an electric arc is applied to the at least one wire/rod feedstock to melt the same. A plasma torch is employed to generate a supersonic plasma stream at an apex at which the electric arc is transferred to the at least one wire/rod feedstock to atomize the molten wire/rod feedstock into particles. A downstream cooling chamber solidifies the particles into the metallic powders. An anti-satellite diffuser is employed to prevent recirculation of the powders in order to avoid satellite formation. In an apparatus where two wires are fed, one wire serves as an anode, and the other as a cathode.

8. 发明申请

WO2019178668A8 METHOD AND APPARATUS FOR THE PRODUCTION OF HIGH PURITY SPHERICAL METALLIC POWDERS FROM A MOLTEN FEEDSTOCK 审中-公开
公开(公告)号：WO2019178668A8
公开(公告)日：2019-09-26
申请号：PCT/CA2019/000034
申请日：2019-03-18
申请人： PYROGENESIS CANADA INC.
发明人： ALLARD, Bernard , CARABIN, Pierre , DORVAL DION , Christopher Alex , PROULX, François , MARDAN, Milad
IPC分类号： B22F9/14 , B22F9/18
摘要： An apparatus for producing metallic powders from molten feedstock includes a heating source for melting a solid feedstock into a molten feed, and a crucible for containing the molten feed. A liquid feed tube is also provided to feed the molten feed as a molten stream. A plasma source delivers a plasma stream, with the plasma stream being adapted to be accelerated to a supersonic velocity and being adapted : to then impact the molten stream for producing metallic powders. The feed tube extends from the crucible to a location where a supersonic plasma plume atomizes the molten stream. The plasma source includes at least two plasma torches provided with at least one supersonic nozzle aimed towards the molten stream. The multiple plasma torches are disposed symmetrically about the location where the supersonic plasma plumes atomize the molten stream, such as in a ring-shaped configuration.

9. 发明申请

WO2019143454A1 SPHERICAL METALLIC POWDER BLENDS AND METHODS FOR MANUFACTURING THE SAME 审中-公开
公开(公告)号：WO2019143454A1
公开(公告)日：2019-07-25
申请号：PCT/US2018/067785
申请日：2018-12-28
申请人： THE BOEING COMPANY
发明人： PARRISH, Catherine, J. , COTTON, James, D.
IPC分类号： B22F1/00 , B22F9/04 , B22F9/14 , C22C1/04 , B22F3/105 , B22F9/00
CPC分类号： B22F9/04 , B22F1/0003 , B22F1/0048 , B22F2003/1059 , B22F2009/001 , B22F2009/041 , B22F2301/205 , B22F2998/10 , B22F2999/00 , B33Y70/00 , C22C1/0458 , B22F1/0081 , B22F2202/13
摘要： A method for manufacturing a spherical metallic powder blend using a metallic starting material, the method including steps of grinding the metallic starting material to yield an intermediate powder, spheroidizing the intermediate powder to yield a first spherical powder component, and mixing the first spherical powder component with a second spherical powder component, wherein the first spherical powder component and the second spherical powder component have substantially the same chemical composition.

10. 发明申请

WO2019139773A1 METHODS OF FORMING SPHERICAL METALLIC PARTICLES 审中-公开
公开(公告)号：WO2019139773A1
公开(公告)日：2019-07-18
申请号：PCT/US2018/067024
申请日：2018-12-21
申请人： GENERAL ELECTRIC COMPANY
发明人： SUBRAMANIAN, Pazhayannur Ramanathan , VINCIQUERRA, Anthony Joseph , BEWLAY, Bernard Patrick
IPC分类号： B22F9/14 , B22F1/00 , C22C14/00
摘要： A method of forming titanium-based spherical metallic particles includes performing a hydride-dehydride process on a meltless metallic sponge to form a feedstock material including a metallic powder. The method further includes introducing the feedstock material into a microwave plasma discharge to form the titanium-based spherical metallic particles.

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