RU2017145260A - Способ пропитки полой волокнистой структуры - Google Patents
Способ пропитки полой волокнистой структуры Download PDFInfo
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- RU2017145260A RU2017145260A RU2017145260A RU2017145260A RU2017145260A RU 2017145260 A RU2017145260 A RU 2017145260A RU 2017145260 A RU2017145260 A RU 2017145260A RU 2017145260 A RU2017145260 A RU 2017145260A RU 2017145260 A RU2017145260 A RU 2017145260A
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- suspension
- fibrous structure
- rotation speed
- impregnation
- particles
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- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
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- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/20—Producing shaped prefabricated articles from the material by centrifugal or rotational casting
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- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/30—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
- B28B1/32—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon by projecting, e.g. spraying
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- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
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- B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
- B28B21/30—Centrifugal moulding
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- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0006—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects the reinforcement consisting of aligned, non-metal reinforcing elements
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- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
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- B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
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- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
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Claims (22)
1. Способ пропитки волокнистой структуры полой формы, включающий по меньшей мере следующие стадии
введение первой суспензии (10), содержащей первый порошок твердых частиц из керамического или углеродного материала, во внутренний объем (2), ограниченный внутренней стороной (1a) полой волокнистой структуры (1), помещенной в форму, причем наружная сторона (1b) волокнистой структуры (1) находится напротив стенки (3) формы; и
пропитка волокнистой структуры (1) первой суспензией (10) под действием центробежной силы, приводя форму во вращение и изменяя скорость вращения формы во время пропитки структуры (1) первой суспензией (10).
2. Способ пропитки волокнистой структуры полой формы, включающий по меньшей мере следующие стадии
введение первой суспензии (10), содержащей первый порошок твердых частиц из керамического или углеродного материала, во внутренний объем (2), ограниченный внутренней стороной (1a) полой волокнистой структуры (1), помещенной в форму, при этом наружная сторона (1b) волокнистой структуры находится напротив стенки (3) формы, и
пропитка волокнистой структуры (1) первой суспензией (10) под действием центробежной силы, создаваемой путем вращения формы;
после пропитки волокнистой структуры (1) первой суспензией (10), введение второй суспензии во внутренний объем (2), причем вторая суспензия содержит твердые частицы из керамического или углеродного материала и отличается от первой суспензии; и
пропитка волокнистой структуры (1) второй суспензией под действием центробежной силы, приводя форму во вращение, причем пропитку структуры (1) первой суспензией (10) и пропитку структуры второй суспензией проводят с разными скоростями вращения формы.
3. Способ по п. 1, причем структуру (1) пропитывают первой суспензией (10), используя сначала первую постоянную скорость вращения формы, а затем, заставляя форму вращаться со второй постоянной скоростью вращения, причем вторая скорость вращения отличается от первой скорости вращения.
4. Способ по п. 3, причем первая скорость вращения выше, чем вторая скорость вращения.
5. Способ по п. 2, причем структуру (1) пропитывают первой суспензией (10), используя первую постоянную скорость вращения формы, а затем структуру (1) пропитывают второй суспензией, используя вторую постоянную скорость вращения формы, причем вторая скорость вращения отличается от первой скорости вращения.
6. Способ по п. 5, причем первая скорость вращения выше, чем вторая скорость вращения.
7. Способ по п. 1, причем направление вращения формы меняют на обратное один или более раз во время пропитки волокнистой структуры (1) первой суспензией (10) и/или во время пропитки волокнистой структуры (1) второй суспензией.
8. Способ по п. 1, причем первую и/или вторую суспензию вводят во внутренний объем путем распыления одним или несколькими распылительными устройствами (7; 7a; 7b), причем во время распыления распылительные устройства (7; 7a; 7b) приводятся в поступательное и/или вращательное перемещение.
9. Способ по п. 1, причем волокнистая структура (1) является осесимметричной.
10. Способ по п. 1, причем волокнистая структура (1) получена двумерным или трехмерным тканьем.
11. Способ по п. 1, причем волокнистая структура (1) содержит керамические нити из тугоплавкого оксида, и причем частицы первого порошка и/или частицы второго порошка являются керамическими частицами из тугоплавкого оксида.
12. Способ получения детали из композиционного материала, включающий следующие стадии
пропитка волокнистой структуры (1) по меньшей мере первой суспензией (10), применяя способ по п. 1;
удаление по меньшей мере жидкой среды первой суспензии (10), пропитывающей волокнистую структуру (1), и
образование матричной фазы, уплотняющей волокнистую структуру (1), из по меньшей мере частиц первого порошка, чтобы получить деталь из композиционного материала.
13. Способ по п. 12, причем матричная фаза образована полностью или частично путем спекания частиц первого порошка.
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FR1555090 | 2015-06-04 | ||
FR1555090A FR3036982B1 (fr) | 2015-06-04 | 2015-06-04 | Procede d'impregnation d'une texture fibreuse de forme creuse |
PCT/FR2016/051214 WO2016193569A1 (fr) | 2015-06-04 | 2016-05-23 | Procede d'impregnation d'une texture fibreuse de forme creuse. |
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FR3042188B1 (fr) * | 2015-10-08 | 2017-11-24 | Snecma | Procede de fabrication d'un assemblage fibreux impregne |
FR3071257B1 (fr) | 2017-09-19 | 2021-08-20 | Safran Ceram | Procede d'injection d'une suspension chargee dans une texture fibreuse et procede de fabrication d'une piece en materiau composite |
FR3080113B1 (fr) * | 2018-04-13 | 2020-05-01 | Safran Ceramics | Procede de fabrication d'une piece en materiau composite par injection d'une barbotine chargee dans une texture fibreuse |
CN109203508A (zh) * | 2018-08-29 | 2019-01-15 | 江苏赛图新材料科技有限公司 | 一种纤维管卧式离心成型装置及其成型工艺 |
EP3890890A4 (en) * | 2018-12-07 | 2023-02-08 | Nilo Global Limited | PLASTICS PROCESSING APPARATUS AND RELATED METHODS |
CN114683376B (zh) * | 2022-03-29 | 2023-10-31 | 安徽紫朔环境工程技术有限公司 | 一种用于净化工业烟气有害物质的陶瓷微孔滤体制备装置 |
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US1620830A (en) | 1923-12-20 | 1927-03-15 | Sand Spun Patents Corp | Method of and apparatus for centrifugally casting metal bodies |
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US2166175A (en) * | 1936-07-16 | 1939-07-18 | Porter William Alfred | Construction of pipes and the like of concrete or other cementitious material |
NL91294C (ru) * | 1955-04-09 | |||
JPS5324024B2 (ru) * | 1973-12-10 | 1978-07-18 | ||
US4092953A (en) * | 1976-12-09 | 1978-06-06 | The D. L. Auld Company | Apparatus for coating glass containers |
US4687531A (en) | 1982-01-26 | 1987-08-18 | Potoczky Joseph B | Method for centrifugal spray molding of thin-walled structures |
JPS61158404A (ja) * | 1984-12-29 | 1986-07-18 | 株式会社クボタ | 中空筒状セラミツク成形体の製造方法および製造装置 |
JPH0613432B2 (ja) * | 1986-03-17 | 1994-02-23 | 住友電気工業株式会社 | 繊維強化Si▼下3▲N▼下4▲焼結体及びその製造方法 |
DE3786105T2 (de) | 1986-03-17 | 1993-09-16 | Sumitomo Electric Industries | Kompakter keramischer koerper, insbesondere auf basis von siliciumnitrid und keramischen fasern und sein herstellungsverfahren. |
JPS62230680A (ja) * | 1986-03-31 | 1987-10-09 | 住友電気工業株式会社 | セラミツクス複合体の製造方法 |
SU1641452A1 (ru) * | 1988-10-13 | 1991-04-15 | Всесоюзный Научно-Исследовательский Институт Легкого И Текстильного Машиностроения | Пропиточное устройство |
US5025849A (en) | 1989-11-15 | 1991-06-25 | The United States Of America As Represented By The Secretary Of The Navy | Centrifugal casting of composites |
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GB9202088D0 (en) * | 1992-01-31 | 1992-03-18 | Thomas Robert E | The manufacture of cylindrical components by centrifugal force |
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GB9827889D0 (en) | 1998-12-18 | 2000-03-29 | Rolls Royce Plc | A method of manufacturing a ceramic matrix composite |
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DE102009011585A1 (de) | 2009-03-06 | 2010-09-09 | Frank, Egon, Dr. | Bauteil und Verfahren zu seiner Herstellung |
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CA2983673A1 (fr) | 2016-12-08 |
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CN107683201B (zh) | 2020-05-05 |
US11117287B2 (en) | 2021-09-14 |
BR112017025193B1 (pt) | 2022-07-12 |
JP2018524253A (ja) | 2018-08-30 |
FR3036982A1 (fr) | 2016-12-09 |
FR3036982B1 (fr) | 2017-06-23 |
RU2703626C2 (ru) | 2019-10-21 |
US20180126591A1 (en) | 2018-05-10 |
BR112017025193A2 (pt) | 2018-07-31 |
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