KR102857801B1 - 알루미늄 기반 금속 분말들 및 그들의 제조 방법 - Google Patents
알루미늄 기반 금속 분말들 및 그들의 제조 방법Info
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- 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
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Abstract
Description
도 1은 예시적인 무화 시스템의 일 실시예의 개략도를 도시한다.
도 2는 예들의 일 실시예에 따른 예시적인 입자 프로파일에 대한 최대 산소를 나타낸다.
도 3은 예들의 일 실시예에 따른 예시적인 입자 프로파일에 대한 평균 산소(산소 프로파일 아래의 면적, 사선으로 표시됨)를 나타낸다.
도 4는 예들에 따른 입자 직경, 최대 산소 농도의 1/2에 도달하기 위한 스퍼터 시간, 및 0 내지 20 분의 평균 산소 %를 요약한 표를 나타낸다.
도 5a, 도 5b, 및 도 5c는, 예들에 따른 3개의 분말 사이에 변화되는, 분석된 입자 크기를 나타낸다.
도 6a 및 도 6b는 계산된 각 입자의 표면적 및 입자 표면적에 대해 정규화된 1/2 최대 산소(O) 및 % 산소를 보여준다.
도 7a, 도 7b, 도 7c, 도 7d, 도 7e는, 예시적인 PA 분말에 대한 도 7f 및 도 7g에 도시된 SEM 이미지들에서의 5개의 표지된 입자에 대한 AES 데이터를 도시한다.
도 8a, 도 8b, 도 8c, 도 8d, 도 8e는, 비교용 PA 분말에 대한 도 8f 및 도 8g에 도시된 SEM 이미지들에서의 5개의 표지된 입자에 대한 AES 데이터를 나타낸다.
도 9a, 도 9b, 도 9c, 도 9d, 도 9e는, 비교용 GA 분말에 대한 도 9f에 도시된 SEM 이미지에서의 5개의 표지된 입자에 대한 AES 데이터를 나타낸다.
도 10은 면적 분율 측정을 도시한다.
도 11은 등가 원 직경 측정(㎛)을 도시준다.
도 12는 이러한 분말들의 평균 그레인 크기를 나타낸다.
도 13은 분말들의 히스토그램(histogram)을 나타낸다.
도 14a는 예시적인 PA 입자의 SEM 이미지를 나타낸다.
도 14b는 도 14a의 SEM 이미지의 처리된 이미지를 나타낸다.
도 15a는 비교용 PA 분말로부터의 입자의 SEM 이미지를 나타낸다.
도 15b는 도 15a의 SEM 이미지의 처리된 이미지를 나타낸다.
도 16a는 비교용 GA 분말로부터의 입자의 SEM 이미지를 나타낸다.
도 16b는 도 16a의 SEM 이미지의 처리된 이미지를 나타낸다.
도 17은 3개의 분말의 그레인 크기 분포를 나타낸다.
도 18a, 도 18b 및 도 18c는, 하기 예들에 설명되는 프로세스에 따라 수행되는, 라인 분석 시험의 처리를 도시한다.
Claims (19)
- 적어도 50 중량%의 알루미늄을 포함하는 복수의 Al 기반 금속 입자를 포함하는 금속 분말로서,
상기 복수의 Al 기반 금속 입자는, Al 기반 금속 입자들의 제1 부분을 포함하고, Al 기반 금속 입자들의 상기 제1 부분은, 정규화된 최대 산소 농도의 50 %인 정규화된 절반 산소 농도를 구비하며, 입자 표면적에 대한 상기 정규화된 절반 산소 농도는, 오거 전자 분광법(auger electron spectroscopy)을 통해 측정될 때, 0.002 분/㎛2 이상이며; 그리고 Al 기반 금속 입자들의 상기 제1 부분은, 10 ㎛ 내지 45 ㎛, 15 ㎛ 내지 45 ㎛, 10 ㎛ 내지 53 ㎛, 15 ㎛ 내지 63 ㎛, 20 ㎛ 내지 63 ㎛, 15 ㎛ 내지 53 ㎛, 45 ㎛ 내지 106 ㎛, 또는 25 ㎛ 내지 45 ㎛의 입자 크기 분포를 갖는 것인, 금속 분말. - 제1항에 있어서,
상기 Al 기반 금속 입자들의 상기 제1 부분은, 상기 금속 분말의 상기 복수의 Al 기반 금속 입자의 적어도 40 중량%를 구성하는 것인, 금속 분말. - 제1항에 있어서,
상기 Al 기반 금속 입자들의 상기 제1 부분은, 상기 금속 분말의 상기 복수의 Al 기반 금속 입자의 50 % 내지 99 %를 구성하는 것인, 금속 분말. - 제1항에 있어서,
입자 표면적에 대한 상기 정규화된 절반 산소 농도는, 오거 전자 분광법을 통해 측정될 때, 0.002 분/㎛2 내지 0.003 분/㎛2인 것인, 금속 분말. - 제1항에 있어서,
Al 기반 금속 입자들의 상기 제1 부분은, 0.2 % 이하의 평균 공극률을 갖는 것인, 금속 분말. - 제1항에 있어서,
Al 기반 금속 입자들의 상기 제1 부분은, 전체 면적에 대한 어두운 상의 면적의 비율로 계산되는, 75 % 이상의 평균 그레인 분율 측정치(average grain fraction measurement)를 갖는 것인, 금속 분말. - 제1항에 있어서,
상기 복수의 Al 기반 금속 입자 내의 절반을 넘는 입자들은, 리니얼 인터셉트 측정(lineal intercept measurement)에 따라 측정될 때, 3.5 미만의 평균 그레인 개수/10 ㎛ 라인(average number of grains/10 ㎛ of line)을 갖는 것인, 금속 분말. - 제1항에 있어서,
상기 복수의 Al 기반 금속 입자 내의 절반을 넘는 입자들은, 리니얼 인터셉트 측정에 따라 측정될 때, 2 내지 3의 평균 그레인/10 ㎛ 라인을 갖는 것인, 금속 분말. - 제1항에 있어서,
상기 금속 분말은, 적어도 70 중량%의 Al을 포함하는 것인, 금속 분말. - 제1항에 있어서,
상기 금속 분말은, 75 중량% 내지 99 중량%의 알루미늄을 포함하는 것인, 금속 분말. - 제1항에 있어서,
Al 기반 금속 입자들의 상기 제1 부분의 각각의 Al 기반 금속 입자는, 산소 및 질소 풍부 층을 포함하는 표면 층을 포함하는 것인, 금속 분말. - 제1항에 있어서,
상기 금속 분말은, 플라즈마 무화 금속 분말(plasma atomized metallic powder)인 것인, 금속 분말. - 제1항에 있어서,
상기 산소는, Al 기반 금속 입자들의 상기 제1 부분의 각각의 Al 기반 금속 입자 내에 산화물로서 존재하는 것인, 금속 분말. - 제13항에 있어서,
상기 산화물은, 실리콘 산화물, 알루미늄 산화물, 마그네슘 산화물, 또는 이들의 혼합물을 포함하는 것인, 금속 분말. - 제1항에 있어서,
상기 Al 기반 금속 분말은, 15 내지 53 ㎛의 입자 크기 분포 및 180 초 이하의 홀 유동성(Hall flowability)을 갖는 것인, 금속 분말. - 제1항에 있어서,
상기 Al 기반 금속 분말은, 15 내지 63 ㎛의 입자 크기 분포 및 100 초 이하의 홀 유동성을 갖는 것인, 금속 분말. - 삭제
- 삭제
- 삭제
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962906960P | 2019-09-27 | 2019-09-27 | |
| US62/906,960 | 2019-09-27 | ||
| PCT/IB2020/059016 WO2021059242A1 (en) | 2019-09-27 | 2020-09-25 | Aluminum based metal powders and methods of their production |
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| Publication Number | Publication Date |
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| KR20220061187A KR20220061187A (ko) | 2022-05-12 |
| KR102857801B1 true KR102857801B1 (ko) | 2025-09-09 |
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| KR1020227011702A Active KR102857801B1 (ko) | 2019-09-27 | 2020-09-25 | 알루미늄 기반 금속 분말들 및 그들의 제조 방법 |
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| Country | Link |
|---|---|
| US (2) | US20210178468A1 (ko) |
| EP (1) | EP4034322A4 (ko) |
| JP (1) | JP7309055B2 (ko) |
| KR (1) | KR102857801B1 (ko) |
| CN (1) | CN114450104B (ko) |
| AU (2) | AU2020356593A1 (ko) |
| CA (1) | CA3094676C (ko) |
| WO (1) | WO2021059242A1 (ko) |
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| US20230015620A1 (en) * | 2021-07-14 | 2023-01-19 | Divergent Technologies, Inc. | Repurposing waste aluminum powder by net shape sintering |
| CN114150189B (zh) * | 2021-11-26 | 2023-11-07 | 北京工业大学 | 一种应用于激光选区熔化成型的高性能Al-Si-Mg合金 |
| FR3135523A1 (fr) * | 2022-05-12 | 2023-11-17 | Commissariat à l'Energie Atomique et aux Energies Alternatives | Caractérisation d’un lit de poudre métallique par colorimétrie |
| EP4491300A1 (en) * | 2023-06-29 | 2025-01-15 | General Electric Company | System and method for atomized powder processing and a processed powder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368657A (en) * | 1993-04-13 | 1994-11-29 | Iowa State University Research Foundation, Inc. | Gas atomization synthesis of refractory or intermetallic compounds and supersaturated solid solutions |
| ATE258092T1 (de) * | 2000-02-10 | 2004-02-15 | Tetronics Ltd | Plasmareaktor zur herstellung von feinem pulver |
| US6444009B1 (en) * | 2001-04-12 | 2002-09-03 | Nanotek Instruments, Inc. | Method for producing environmentally stable reactive alloy powders |
| US6863862B2 (en) * | 2002-09-04 | 2005-03-08 | Philip Morris Usa Inc. | Methods for modifying oxygen content of atomized intermetallic aluminide powders and for forming articles from the modified powders |
| US8778098B2 (en) * | 2008-12-09 | 2014-07-15 | United Technologies Corporation | Method for producing high strength aluminum alloy powder containing L12 intermetallic dispersoids |
| US8778099B2 (en) * | 2008-12-09 | 2014-07-15 | United Technologies Corporation | Conversion process for heat treatable L12 aluminum alloys |
| DE102011111365A1 (de) * | 2011-08-29 | 2013-02-28 | Eads Deutschland Gmbh | Oberflächenpassivierung von aluminiumhaltigem Pulver |
| US9650309B2 (en) * | 2012-04-12 | 2017-05-16 | Iowa State University Research Foundation, Inc. | Stability of gas atomized reactive powders through multiple step in-situ passivation |
| US9833837B2 (en) * | 2013-06-20 | 2017-12-05 | Iowa State University Research Foundation, Inc. | Passivation and alloying element retention in gas atomized powders |
| CN103752822B (zh) * | 2014-02-20 | 2016-11-02 | 西华大学 | 一种复合粉体及其制备方法 |
| EP3116636B1 (en) | 2014-03-11 | 2020-07-08 | Tekna Plasma Systems Inc. | Process and apparatus for producing powder particles by atomization of a feed material in the form of an elongated member |
| CN108025365B (zh) * | 2015-07-17 | 2022-06-03 | Ap&C高端粉末涂料公司 | 等离子体雾化金属粉末制造工艺及其系统 |
| EP3368238B1 (en) * | 2015-10-29 | 2024-10-09 | AP&C Advanced Powders And Coatings Inc. | Metal powder atomization manufacturing processes |
| WO2017177315A1 (en) | 2016-04-11 | 2017-10-19 | Ap&C Advanced Powders & Coatings Inc. | Reactive metal powders in-flight heat treatment processes |
| US20180104745A1 (en) * | 2016-10-17 | 2018-04-19 | Ecole Polytechnique | Treatment of melt for atomization technology |
| CN106825593A (zh) * | 2016-12-23 | 2017-06-13 | 南通金源智能技术有限公司 | 可提高3d打印材料流动性的铝合金粉制备方法 |
| CN107626929B (zh) * | 2017-08-04 | 2021-04-30 | 领凡新能源科技(北京)有限公司 | 一种制备合金粉末的方法 |
| CN109482893A (zh) * | 2018-12-30 | 2019-03-19 | 北京康普锡威科技有限公司 | 一种增材制造用球形金属粉末的制备方法 |
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- 2020-09-25 CN CN202080067567.4A patent/CN114450104B/zh active Active
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- 2020-09-25 EP EP20869171.7A patent/EP4034322A4/en active Pending
- 2020-09-25 KR KR1020227011702A patent/KR102857801B1/ko active Active
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| WO2021059242A1 (en) | 2021-04-01 |
| JP2023503778A (ja) | 2023-02-01 |
| US20260015693A1 (en) | 2026-01-15 |
| JP7309055B2 (ja) | 2023-07-14 |
| KR20220061187A (ko) | 2022-05-12 |
| US20210178468A1 (en) | 2021-06-17 |
| AU2024201188A1 (en) | 2024-03-14 |
| CN114450104A (zh) | 2022-05-06 |
| CA3094676A1 (en) | 2021-03-27 |
| EP4034322A4 (en) | 2023-10-18 |
| AU2020356593A1 (en) | 2022-04-07 |
| CN114450104B (zh) | 2024-08-30 |
| EP4034322A1 (en) | 2022-08-03 |
| CA3094676C (en) | 2022-07-19 |
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