JP2017105698A - セラミックマトリックス複合材構成要素及びセラミックマトリックス複合材構成要素の製造方法 - Google Patents
セラミックマトリックス複合材構成要素及びセラミックマトリックス複合材構成要素の製造方法 Download PDFInfo
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Abstract
Description
[実施態様1]
セラミックマトリックス複合材構成要素を製造する方法であって、
複数のセラミックマトリックス複合材プライを互いに重ねて位置付けて、緻密化材料の溶浸を可能にするほど十分に小さいターミナル直径をその一部が含むキャビティを形成するステップと、
上記複数のセラミックマトリックス複合材プライを緻密化して緻密体を形成するステップと、
を含み、上記緻密化により、上記ターミナル直径を有する上記キャビティの一部が緻密化材料で充填され、上記緻密体内に上記キャビティが存在する、方法。
[実施態様2]
上記キャビティが、上記緻密体内に完全に密封される、実施態様1に記載の方法。
[実施態様3]
上記キャビティが、テーパー付き幾何形状を含む、実施態様1に記載の方法。
[実施態様4]
上記テーパー付き幾何形状が、上記複数のセラミックマトリックス複合材プライの少なくとも一部の間にボイド幾何形状の差違を含む、実施態様3に記載の方法。
[実施態様5]
上記セラミックマトリックス複合材プライが、予備含浸されたセラミックマトリックス複合材プライである、実施態様1に記載の方法。
[実施態様6]
上記キャビティを形成するステップが、レーザ孔加工、放電加工、カッティング及び機械加工からなる群から選択される方法に基づいている、実施態様1に記載の方法。
[実施態様7]
上記複数のセラミックマトリックス複合材プライを互いに重ねて位置付けて上記キャビティを形成するステップが、上記複数のセラミックマトリックス複合材プライの各々にボイドを形成し、該ボイドを上記それぞれのセラミックマトリックス複合材プライにおいて整列させて、上記構成要素にキャビティを少なくとも部分的に定めるようにするステップを含み、上記整列が、上記複数のセラミックマトリックス複合材プライを整列させることを含む、実施態様1に記載の方法。
[実施態様8]
上記緻密化が、溶融浸透又は化学蒸着を含む、実施態様1に記載の方法。
[実施態様9]
上記キャビティの端部での上記複数のセラミックマトリックス複合材プライの繊維が、上記キャビティの中心軸に対して10度よりも大きな角度を形成する、実施態様1に記載の方法。
[実施態様10]
上記緻密化材料がケイ素である、実施態様1に記載の方法。
[実施態様11]
上記ターミナル直径は、毛細管力によりケイ素が吸い込まれる直径よりも小さい、実施態様1に記載の方法。
[実施態様12]
上記セラミックマトリックス複合材構成要素が、ライナ、ブレード、シュラウド、ノズル、燃焼器、ノズル端壁、及びブレードプラットフォームからなる群から選択される、実施態様1に記載の方法。
[実施態様13]
セラミックマトリックス複合材構成要素であって、
緻密体を形成する複数のセラミックマトリックス複合材プライを備え、該複数のセラミックマトリックス複合材プライが、上記緻密体内にキャビティを形成し、該キャビティの一部が、溶浸された緻密化材料を有するターミナル直径を含む、セラミックマトリックス複合材構成要素。
[実施態様14]
上記キャビティが、緻密体内に完全に密封される、実施態様8に記載のセラミックマトリックス複合材構成要素。
[実施態様15]
上記キャビティが、テーパー付き幾何形状を含む、実施態様8に記載のセラミックマトリックス複合材構成要素。
[実施態様16]
上記テーパー付き幾何形状が、上記複数のセラミックマトリックス複合材プライの少なくとも一部の間にボイド幾何形状の差違を含む、実施態様14に記載のセラミックマトリックス複合材構成要素。
[実施態様17]
直線状の境界が、レーザ孔加工された境界、放電加工された境界、カッティング境界及び機械加工境界からなる群から選択された境界である、実施態様8に記載のセラミックマトリックス複合材構成要素。
[実施態様18]
高温ガス経路タービン構成要素が、ライナ、ブレード、シュラウド、ノズル、燃焼器、ノズル端壁、及びブレードプラットフォームからなる群から選択される、実施態様8に記載のセラミックマトリックス複合材構成要素。
[実施態様19]
上記キャビティの端部での上記複数のセラミックマトリックス複合材プライの繊維が、上記キャビティの中心軸に対して10度よりも大きな角度を形成する、実施態様8に記載のセラミックマトリックス複合材構成要素。
[実施態様20]
上記ターミナル直径は、毛細管力によりケイ素が吸い込まれる直径よりも小さい、実施態様8に記載のセラミックマトリックス複合材構成要素。
22 翼形部
24 ダブテール
26 プラットフォーム
30 先端
50 Plenum
60 セラミックマトリックス複合材プライ
70 キャビティ
402 緻密化されたマトリックス材料
500 プロセス
502 ボイド
504 セラミックマトリックス複合材プライ
506 セラミックマトリックス複合材プライ
508 セラミックマトリックス複合材プライ
510 ターミナル直径
512 スタック
513 溶融マトリックス材料
515 距離
517 内部中空部分
Claims (10)
- セラミックマトリックス複合材構成要素(10)を製造する方法(500)であって、
複数のセラミックマトリックス複合材プライ(60)を互いに重ねて位置付けて、緻密化材料の溶浸を可能にするほど十分に小さいターミナル直径(510)をその一部が含むキャビティ(70)を形成するステップと、
前記複数のセラミックマトリックス複合材プライ(60)を緻密化して緻密体を形成するステップと、
を含み、前記緻密化により、前記ターミナル直径(510)を有する前記キャビティ(70)の一部が緻密化材料で充填され、前記緻密体内に前記キャビティが存在する、方法(500)。 - 前記キャビティが、前記緻密体内に完全に密封される、請求項1に記載の方法(500)。
- 前記キャビティが、テーパー付き幾何形状を含む、請求項1に記載の方法(500)。
- 前記キャビティを形成するステップが、レーザ孔加工、放電加工、カッティング及び機械加工からなる群から選択される方法に基づいている、請求項1に記載の方法(500)。
- 前記複数のセラミックマトリックス複合材プライ(60)を互いに重ねて位置付けて前記キャビティ(70)を形成するステップが、前記複数のセラミックマトリックス複合材プライ(60)の各々にボイド(502)を形成し、該ボイド(502)を前記それぞれのセラミックマトリックス複合材プライ(60)において整列させて、前記構成要素(10)にキャビティ(70)を少なくとも部分的に定めるようにするステップを含み、前記整列が、前記複数のセラミックマトリックス複合材プライ(60)を整列させることを含む、請求項1に記載の方法(500)。
- 前記緻密化が、溶融浸透又は化学蒸着を含む、請求項1に記載の方法(500)。
- 前記キャビティの端部での前記複数のセラミックマトリックス複合材プライ(60)の繊維が、前記キャビティの中心軸に対して10度よりも大きな角度を形成する、請求項1に記載の方法(500)。
- 前記緻密化材料がケイ素である、請求項1に記載の方法(500)。
- 前記ターミナル直径(510)は、毛細管力によりケイ素が吸い込まれる直径よりも小さい、請求項1に記載の方法(500)。
- 前記セラミックマトリックス複合材構成要素(10)が、ライナ、ブレード、シュラウド、ノズル、燃焼器、ノズル端壁、及びブレードプラットフォーム(26)からなる群から選択される、請求項1に記載の方法(500)。
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| US14/926,718 US10260358B2 (en) | 2015-10-29 | 2015-10-29 | Ceramic matrix composite component and process of producing a ceramic matrix composite component |
| US14/926,718 | 2015-10-29 |
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| US10677075B2 (en) | 2018-05-04 | 2020-06-09 | General Electric Company | Composite airfoil assembly for an interdigitated rotor |
| US11040915B2 (en) | 2018-09-11 | 2021-06-22 | General Electric Company | Method of forming CMC component cooling cavities |
| US10934854B2 (en) | 2018-09-11 | 2021-03-02 | General Electric Company | CMC component cooling cavities |
| US12122723B2 (en) | 2019-11-22 | 2024-10-22 | Rtx Corporation | Preform for ceramic matrix composite, method of making a ceramic matrix composite and ceramic matrix composite |
| US11180999B2 (en) | 2019-12-20 | 2021-11-23 | General Electric Company | Ceramic matrix composite component and method of producing a ceramic matrix composite component |
| US11680488B2 (en) | 2019-12-20 | 2023-06-20 | General Electric Company | Ceramic matrix composite component including cooling channels and method of producing |
| US11174752B2 (en) | 2019-12-20 | 2021-11-16 | General Electric Company | Ceramic matrix composite component including cooling channels in multiple plies and method of producing |
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| US11655719B2 (en) | 2021-04-16 | 2023-05-23 | General Electric Company | Airfoil assembly |
| US11608748B2 (en) | 2021-06-04 | 2023-03-21 | Raytheon Technologies Corporation | Preform crossovers for composite airfoils |
| US12078081B1 (en) * | 2023-05-09 | 2024-09-03 | Rtx Corporation | Airfoil with CMC ply cutouts for cooling channels |
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| JP6979761B2 (ja) | 2021-12-15 |
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| CN107034444B (zh) | 2021-07-13 |
| EP3163024A1 (en) | 2017-05-03 |
| US10260358B2 (en) | 2019-04-16 |
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