RU2016103534A - Способ аддитивного изготовления деталей плавлением или спеканием частиц порошка с помощью высокоэнергетического пучка с порошками, адаптированными к целевой паре процесс/материал - Google Patents
Способ аддитивного изготовления деталей плавлением или спеканием частиц порошка с помощью высокоэнергетического пучка с порошками, адаптированными к целевой паре процесс/материал Download PDFInfo
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Claims (31)
1. Способ изготовления деталей из металлического, интерметаллического, керамического, композитного с керамической матрицей или композитного с металлической матрицей материала с дискретным армированием, в частности керамическим или интерметаллическим армированием, путем плавления или спекания частиц порошка посредством высокоэнергетического пучка, характеризующийся тем, что используемый порошок представляет собой одиночный порошок из частиц, которые имеют сферичность в диапазоне от 0,8 до 1,0, и фактор формы в диапазоне от 1 до √2, при этом каждая частица порошка имеет по существу идентичный средний состав, и тем, что распределение по размеру частиц указанного порошка ограничено вокруг значения среднего диаметра d50% так, что
(d90%-d50%)/d50%≤0,66
и
(d50%-d10%)/d50%≤0,33
при
(d90%-d10%)/d50%≤1,00,
тем, что состав используемого порошка включает по меньшей мере один дополнительный химический элемент с ненулевым содержанием, которое составляет менее 0,5 мас.%, т.е. 5000 ppm или 5 г/кг, и пригоден для модификации микроструктуры указанного материала детали, которая получается из указанного материала, по сравнению со случаем, в котором указанный дополнительный химический элемент отсутствует в составе порошка, тем, что указанные частицы порошка включают армирующие элементы и тем, что указанный дополнительный химический элемент пригоден для облегчения смачивания армирующих элементов жидкостью, образованной плавлением части частиц композитного порошка высокоэнергетическим пучком.
2. Способ изготовления деталей из металлического, интерметаллического, керамического, композитного с керамической матрицей или композитного с металлической матрицей материала с дискретным армированием, в частности керамическим или интерметаллическим армированием, путем плавления или спекания частиц порошка посредством высокоэнергетического пучка, характеризующийся тем, что используемый порошок представляет собой одиночный порошок из частиц, которые имеют сферичность в диапазоне от 0,8 до 1,0, и фактор формы в диапазоне от 1 до √2, при этом каждая частица порошка имеет, по существу, идентичный средний состав, и тем, что распределение по размеру частиц указанного порошка ограничено вокруг значения среднего диаметра d50% так, что
(d90%-d50%)/d50%≤0,66
и
(d50%-d10%)/d50%≤0,33
при
(d90%-d10%)/d50%≤1,00,
тем, что состав используемого порошка включает по меньшей мере один дополнительный химический элемент с ненулевым содержанием, которое составляет менее 0,5 мас.%, т.е. 5000 ppm или 5 г/кг, и пригоден для модификации микроструктуры указанного материала детали, которая получается из указанного материала, по сравнению со случаем, в котором указанный дополнительный химический элемент отсутствует в составе порошка, и тем, что указанный дополнительный химический элемент пригоден для улучшения поглотительной способности указанного керамического материала по отношению к излучению высокоэнергетического пучка.
3. Способ по п. 1 или 2, в котором распределение по размеру частиц определяется значением "разброса":
(d90%-d10%)/d50%
менее или равным 0,50, при
(d90%-d50%)/d50%≤0,33
и
(d90%-d10%)/d50%≤0,17
4. Способ по п. 1 или 2, в котором используемый порошок получен путем распыления или центрифугирования исходного сплава.
5. Способ по п. 1 или 2, в котором используемый порошок получен нанесением покрытия (непрерывное покрытие), либо инкрустированием (дискретное покрытие).
6. Способ по п. 1 или 2, в котором используемый порошок получен путем размола/смешивания.
7. Способ по п. 1 или 2, в котором используемый порошок получен путем гранулирования суспензии, также известной как взвесь.
8. Способ по п. 1 или 2, в котором используемый порошок представляет собой композицию, которая обогащена по меньшей мере одним химическим элементом состава указанного материала, образующего деталь, получаемую указанным способом.
9. Способ по п. 8, в котором указанный химический элемент, или один из его оксидов, является летучим при температуре, создаваемой указанным высокоэнергетическим пучком.
10. Способ по п. 9, в котором указанный материал представляет собой металлический сплав Ti6Al4V, а указанный летучий химический элемент представляет собой алюминий.
11. Способ по п. 10, в котором указанное обогащение порошка алюминием находится в диапазоне от 0,15 до 3 мас.%, относительно состава сплава Ti6Al4V.
12. Способ по п. 9, в котором указанный материал представляет собой металлический сплав на основе алюминия или лития, а указанный летучий химический элемент представляет собой литий.
13. Способ по п. 1 или 2, в котором указанный высокоэнергетический пучок представляет собой лазерный луч.
14. Способ по п. 13, который использует прямое осаждение металла (DMD), селективное лазерное плавление (SLM) или селективное лазерное спекание (SLS) по отношению к слою порошка.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR13/01591 | 2013-07-04 | ||
FR1301591A FR3008014B1 (fr) | 2013-07-04 | 2013-07-04 | Procede de fabrication additve de pieces par fusion ou frittage de particules de poudre(s) au moyen d un faisceau de haute energie avec des poudres adaptees au couple procede/materiau vise |
PCT/FR2014/051675 WO2015001241A2 (fr) | 2013-07-04 | 2014-06-30 | Procede de fabrication additive de pieces par fusion ou frittage de particules de poudre(s) au moyen d'un faisceau de haute energie avec des poudres adaptees au couple procede/materiau vise |
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CN (1) | CN105764634B (ru) |
BR (1) | BR112015032930B1 (ru) |
CA (1) | CA2917038C (ru) |
FR (1) | FR3008014B1 (ru) |
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WO (1) | WO2015001241A2 (ru) |
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DE112011101779T5 (de) | 2010-05-25 | 2013-03-14 | Panasonic Corporation | Metallpulver zum selektiven Lasersintern, Verfahren zur Herstellung eines dreidimensionalen Formgegenstands unter Verwendung desselben und davon erhaltener dreidimensionaler Formgegenstand |
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EP3831513A1 (fr) | 2021-06-09 |
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JP2016532773A (ja) | 2016-10-20 |
BR112015032930B1 (pt) | 2020-12-01 |
FR3008014B1 (fr) | 2023-06-09 |
JP6463746B2 (ja) | 2019-02-06 |
WO2015001241A2 (fr) | 2015-01-08 |
WO2015001241A3 (fr) | 2015-06-18 |
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