JP6386091B2 - プラズマを使用して固体材料および材料の溶液前駆体液滴を高密度化および球状化する方法 - Google Patents
プラズマを使用して固体材料および材料の溶液前駆体液滴を高密度化および球状化する方法 Download PDFInfo
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/78—Arrangements for continuous movement of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
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Description
図2を参照すると、この方法は、Inframat Corporationからのスプレードライ技術によって得られる市販のマグネシア−イットリア(MgO−Y2O3)固体粉末粒子から作られる球状粒子に適用された。高密度球状粒子は、「真珠」様テクスチャおよび形態を呈する。
図4および図5を参照すると、この方法は、噴霧器を使用した7重量%イットリア安定化ジルコニア(7YSZ)溶液前駆体の霧状液滴の噴射から高密度球状粒子を直接生成するのに適用された。
図6を参照すると、この方法は、高周波圧電駆動の液滴作製装置を使用した8重量%イットリア安定化ジルコニア(8YSZ)溶液前駆体の均一な液滴の噴射から高密度球状粒子を直接生成するのに適用された。
図10を参照すると、この方法は、スプレードライ技術によって得られるアルミナ−チタニア酸化物(Al2O3−13TiO2)80重量%と酸化コバルト(CoO)20重量%からなる混合物の凝集粉末粒子から作られる球状粒子に適用された。高密度球状粒子は、「真珠」様テクスチャおよび形態を呈する。
Claims (12)
- 表面被膜用供給材料とともに粉末粒子からなる供給材料を噴射した後にプラズマからの排出ガスから抽出される、マイクロ波プラズマを使用して不動態化された球状高密度粉末生成物粒子を生成する方法であって、
a)供給材料を、材料フィーダを介して、軸対称マイクロ波プラズマトーチ内に軸方向に導入することと、
b)前記供給材料を軸対称の層流同伴流を使用して同伴することと、
c)前記供給材料を軸対称の層流冷却流を使用してマイクロ波プラズマの方に導くことと、
d)前記供給材料の次に不動態化材料を導入することと、
e)前記供給材料および前記表面被膜用供給材料を、マイクロ波生成プラズマ内で均一な温度プロファイルで処理することと、
f)前記マイクロ波生成プラズマの前記排出ガスをろ過することと、
g)前記ろ過された排出ガスから粉末生成物を抽出することと
を含む、不動態化された球状高密度粉末生成物粒子を生成する方法。 - 前記不動態化材料が、気相材料である、請求項1に記載の方法。
- 前記不動態化材料が、霧状液体材料である、請求項1に記載の方法。
- 前記生成物粒子が、球状であり、シェル−コア構造を有する、請求項1に記載の方法。
- コア構造が、供給材料で作られる、請求項4に記載の方法。
- シェル構造が、被膜用供給材料で作られる、請求項4に記載の方法。
- 表面被膜用供給材料とともに粉末粒子からなる供給材料を噴射した後にプラズマからの排出ガスから抽出される、マイクロ波プラズマを使用して不動態化された球状高密度粉末生成物粒子を生成する方法であって、
a)供給材料を、材料フィーダを介して、軸対称マイクロ波プラズマトーチ内に軸方向に導入することと、
b)前記供給材料を軸対称の層流同伴流を使用して同伴することと、
c)前記供給材料を軸対称の層流冷却流を使用してマイクロ波プラズマの方に導くことと、
d)前記供給材料をマイクロ波生成プラズマ内で均一な温度プロファイルで処理することと、
e)マイクロ波エネルギーインプットの下流にあるプラズマ排出パース内に不動態化材料を導入することと、
f)前記マイクロ波生成プラズマの前記排出ガスをろ過することと、
g)前記ろ過された排出プラズマガスから被覆された粉末生成物を抽出することと
を含む、不動態化された球状高密度粉末生成物粒子を生成する方法。 - 前記不動態化材料が、気相材料である、請求項7に記載の方法。
- 前記不動態化材料が、霧状液体材料である、請求項7に記載の方法。
- 前記生成物粒子が、球状であり、シェル−コア構造を有する、請求項7に記載の方法。
- コア構造が、供給材料で作られる、請求項10に記載の方法。
- シェル構造が、被膜用供給材料で作られる、請求項10に記載の方法。
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PCT/US2014/000091 WO2015174949A1 (en) | 2014-05-14 | 2014-05-14 | Method for the densification and spheroidization of solid and solution precursor droplets of materials using plasma |
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JP2018148459A Division JP6543753B2 (ja) | 2018-08-07 | 2018-08-07 | プラズマを使用して固体材料および材料の溶液前駆体液滴を高密度化および球状化する方法 |
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JP (1) | JP6386091B2 (ja) |
AU (1) | AU2014394102B2 (ja) |
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WO (1) | WO2015174949A1 (ja) |
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ES2964898T3 (es) * | 2015-12-16 | 2024-04-10 | 6K Inc | Metales deshidrogenados esferoidales y partículas de aleaciones metálicas |
US10987735B2 (en) | 2015-12-16 | 2021-04-27 | 6K Inc. | Spheroidal titanium metallic powders with custom microstructures |
CN105562699B (zh) * | 2016-03-02 | 2017-07-07 | 沈倩友 | 一种高精度微细金属球体成型机 |
US20190061005A1 (en) * | 2017-08-30 | 2019-02-28 | General Electric Company | High Quality Spherical Powders for Additive Manufacturing Processes Along With Methods of Their Formation |
EP3479926A1 (en) | 2017-11-06 | 2019-05-08 | Technische Universität Graz | Method for modifying the particle shape and the particle size distribution of aluminum-based powders |
KR102130956B1 (ko) * | 2018-04-05 | 2020-08-05 | (주)그린사이언스 | 금속분말 또는 금속합금 제조를 위한 마이크로웨이브 플라즈마 토치 및 이를 이용하여 금속화합물 또는 금속화합물이 포함된 물질 및 금속분말을 처리하는 방법 |
CN110405218B (zh) * | 2018-04-26 | 2022-07-08 | 广东正德材料表面科技有限公司 | 一种高球形度纳米结构不锈钢粉末及其制备方法 |
AU2019290663B2 (en) | 2018-06-19 | 2023-05-04 | 6K Inc. | Process for producing spheroidized powder from feedstock materials |
KR102247338B1 (ko) * | 2018-12-14 | 2021-05-04 | 재단법인 포항산업과학연구원 | 입상 물질 제조 방법 및 제조 장치 |
CA3134573A1 (en) | 2019-04-30 | 2020-11-05 | Sunil Bhalchandra BADWE | Mechanically alloyed powder feedstock |
AU2020266556A1 (en) | 2019-04-30 | 2021-11-18 | 6K Inc. | Lithium lanthanum zirconium oxide (LLZO) powder |
IT201900020600A1 (it) * | 2019-11-13 | 2021-05-13 | Alkahest Srl | Procedimento e apparecchiatura per la produzione di manufatti da costruzione assistita da torce al plasma |
CN114641462A (zh) * | 2019-11-18 | 2022-06-17 | 6K有限公司 | 用于球形粉末的独特原料及制造方法 |
US11590568B2 (en) | 2019-12-19 | 2023-02-28 | 6K Inc. | Process for producing spheroidized powder from feedstock materials |
AU2021297476A1 (en) | 2020-06-25 | 2022-12-15 | 6K Inc. | Microcomposite alloy structure |
WO2022067303A1 (en) | 2020-09-24 | 2022-03-31 | 6K Inc. | Systems, devices, and methods for starting plasma |
KR20230095080A (ko) | 2020-10-30 | 2023-06-28 | 6케이 인크. | 구상화 금속 분말을 합성하는 시스템 및 방법 |
US12042861B2 (en) | 2021-03-31 | 2024-07-23 | 6K Inc. | Systems and methods for additive manufacturing of metal nitride ceramics |
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US12040162B2 (en) | 2022-06-09 | 2024-07-16 | 6K Inc. | Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows |
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