JP7086660B2 - 複合材構成部品内に通路を形成するための方法 - Google Patents
複合材構成部品内に通路を形成するための方法 Download PDFInfo
- Publication number
- JP7086660B2 JP7086660B2 JP2018052053A JP2018052053A JP7086660B2 JP 7086660 B2 JP7086660 B2 JP 7086660B2 JP 2018052053 A JP2018052053 A JP 2018052053A JP 2018052053 A JP2018052053 A JP 2018052053A JP 7086660 B2 JP7086660 B2 JP 7086660B2
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- fiber preform
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- cavity
- fiber
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- 239000002131 composite material Substances 0.000 title claims description 61
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
- C04B2237/368—Silicon nitride
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
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- C04B2237/64—Forming laminates or joined articles comprising grooves or cuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
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- Mechanical Engineering (AREA)
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- Turbine Rotor Nozzle Sealing (AREA)
Description
[実施態様1]
複合材構成部品(100、101)内に通路(102、103)を形成するための方法(200)であって、
繊維プリフォーム(104)内に空洞(106)を形成するステップ(204)であって、前記空洞(106)が前記通路(102、103)の一部分を形成する、ステップ(204)と、
コア(108)を前記空洞(106)内に挿入するステップ(206)と、
繊維プリフォーム組立体(112)を形成するために、1つまたは複数の繊維プライ(110)を前記繊維プリフォーム(104)上に置くステップ(208)と、
前記繊維プリフォーム組立体(112)を熱処理するステップ(210)と、
前記複合材構成部品(100、101)を形成するために、前記繊維プリフォーム組立体(112)を高密度化するステップ(212)と、
前記コア(108)を前記複合材構成部品(100、101)から除去するステップ(214)と
を含む方法(200)。
[実施態様2]
前記繊維プリフォーム(104)を形成するステップ(202)をさらに含む実施態様1に記載の方法(200)。
[実施態様3]
前記空洞(106)を形成するステップ(204)が、材料を前記繊維プリフォーム(104)から除去することを含む、実施態様1に記載の方法(200)。
[実施態様4]
前記コア(108)を挿入するステップ(206)が、前記空洞(106)にスラリーを充填することを含む、実施態様1に記載の方法(200)。
[実施態様5]
型穴を画定する、前記コア(108)用の型を形成することと、
前記型穴にスラリーを充填することと、
前記コア(108)を形成するために前記スラリーを硬化および焼結するように前記型を加熱することと
をさらに含む、実施態様1に記載の方法(200)。
[実施態様6]
前記繊維プリフォーム組立体(112)を熱処理するステップ(210)が、前記繊維プリフォーム組立体(112)をオートクレーブ処理することを含む、実施態様1に記載の方法(200)。
[実施態様7]
前記繊維プリフォーム組立体(112)を熱処理するステップ(210)が、前記繊維プリフォーム組立体(112)をバーンアウトすることを含む、実施態様1に記載の方法(200)。
[実施態様8]
前記繊維プリフォーム組立体(112)を高密度化するステップ(212)が、溶浸材で前記繊維プリフォーム組立体(112)を溶融含侵することを含む、実施態様1に記載の方法(200)。
[実施態様9]
前記溶浸材が金属または半金属から形成される、実施態様1に記載の方法(200)。
[実施態様10]
前記コア(108)を除去するステップ(214)が、水で前記コア(108)を溶解することを含む、実施態様1に記載の方法(200)。
[実施態様11]
前記コア(108)を除去するステップ(214)が、前記コア(108)全体を除去することを含む、実施態様1に記載の方法(200)。
[実施態様12]
前記繊維プリフォーム(104)が複数のセラミック繊維を含む、実施態様1に記載の方法(200)。
[実施態様13]
前記コア(108)がセラミック材料から形成される、実施態様1に記載の方法(200)。
[実施態様14]
前記繊維プリフォーム(104)が前記複合材構成部品(100、101)と同じ形状を有する、実施態様1に記載の方法(200)。
[実施態様15]
セラミックマトリックス複合材構成部品(100、101)内に通路(102、103)を形成するための方法(200)であって、
複数のセラミック繊維を含む繊維プリフォーム(104)を形成するステップ(202)と、
前記繊維プリフォーム(104)内に空洞(106)を形成するステップ(204)であって、前記空洞(106)が前記通路(102、103)の一部分を形成する、ステップ(204)と、
コア(108)を前記空洞(106)内に挿入するステップ(206)と、
繊維プリフォーム組立体(112)を形成するために、1つまたは複数のセラミック繊維プライ(110)を前記繊維プリフォーム(104)上に置くステップ(208)と、
前記繊維プリフォーム組立体(112)を熱処理するステップ(210)と、
前記セラミックマトリックス複合材構成部品(100、101)を形成するために、前記繊維プリフォーム組立体(112)を高密度化するステップ(212)と、
前記コア(108)を前記セラミックマトリックス複合材構成部品(100、101)から除去するステップ(214)と
を含む方法(200)。
[実施態様16]
前記コアを挿入するステップ(206)が前記空洞(106)にスラリーを充填することを含む、実施態様15に記載の方法(200)。
[実施態様17]
型穴を画定する、前記コア(108)用の型を形成することと、
前記型穴にスラリーを充填することと、
前記コア(108)を形成するために前記スラリーを硬化および焼結するように前記型を加熱することと
をさらに含む、実施態様15に記載の方法(200)。
[実施態様18]
前記繊維プリフォーム組立体(112)を熱処理するステップ(210)が、前記繊維プリフォーム組立体(112)をオートクレーブ処理することと、前記繊維プリフォーム組立体(112)をバーンアウトすることとを含み、前記繊維プリフォーム組立体(112)を高密度化するステップ(212)が、溶浸材で前記繊維プリフォーム組立体(112)を溶融含侵することを含む、実施態様15に記載の方法(200)。
[実施態様19]
前記コア(108)を除去するステップ(214)が、水で前記コア(108)を溶解することを含む、実施態様15に記載の方法(200)。
[実施態様20]
前記コア(108)を除去するステップ(214)が、前記コア(108)全体を除去することを含む、実施態様15に記載の方法(200)。
12 圧縮機セクション
14 燃焼セクション
16 タービンセクション
18 圧縮機
20 圧縮機ベーン
22 圧縮機ロータブレード
24 燃焼器
26 タービン
28 タービンノズル
30 タービンロータブレード
32 シャフト
34 軸方向中心線
36 空気
38 入口
40 圧縮空気
42 燃焼ガス
100 複合材構成部品
101 複合材構成部品
102 通路
103 通路
104 繊維プリフォーム
106 空洞
108 コア
110 繊維プライ
112 繊維プリフォーム組立体
200 方法
202 繊維プリフォームを形成
204 空洞を形成
206 コアを挿入
208 繊維プライを置く
210 熱処理
212 高密度化
214 コアを除去
216 仕上げ
Claims (14)
- 複合材構成部品(100、101)内に通路(102、103)を形成するための方法(200)であって、
繊維プリフォーム(104)内に空洞(106)を形成するステップ(204)であって、前記空洞(106)が前記通路(102、103)の一部分を形成する、ステップ(204)と、
コア(108)を前記空洞(106)内に挿入するステップ(206)と、
繊維プリフォーム組立体(112)を形成するために、テープ、織物、または布として複数の繊維から予め形成された1つまたは複数の繊維プライ(110)を前記繊維プリフォーム(104)上に置くステップ(208)と、
前記繊維プリフォーム組立体(112)を熱処理するステップ(210)と、
前記複合材構成部品(100、101)を形成するために、前記繊維プリフォーム組立体(112)を高密度化するステップ(212)と、
前記コア(108)を前記複合材構成部品(100、101)から除去するステップ(214)と
を含む方法(200)。 - 前記繊維プリフォーム(104)を形成するステップ(202)をさらに含む、請求項1記載の方法(200)。
- 前記空洞(106)を形成するステップ(204)が、機械的なカッター、放電加工、またはレーザ加工を用いて材料を前記繊維プリフォーム(104)から除去することを含む、請求項1または2に記載の方法(200)。
- 前記コア(108)を挿入するステップ(206)が、前記空洞(106)に水溶性のセラミックスラリーを充填することを含む、請求項1乃至3のいずれかに記載の方法(200)。
- 型穴を画定する、前記コア(108)用の型を形成することと、
前記型穴にスラリーを充填することと、
前記コア(108)を形成するために前記スラリーを硬化および焼結するように前記型を加熱することと
をさらに含む、請求項1乃至3のいずれかに記載の方法(200)。 - 前記空洞(106)を形成するステップ(204)が、前記繊維プリフォーム(104)の上面に開いた上部が形成されるように材料を前記繊維プリフォーム(104)から除去することを含む、請求項1乃至5のいずれかに記載の方法(200)。
- 前記繊維プリフォーム組立体(112)を熱処理するステップ(210)が、前記繊維プリフォーム組立体(112)をオートクレーブ処理またはバーンアウトすることを含む、請求項1乃至6のいずれかに記載の方法(200)。
- 前記繊維プリフォーム組立体(112)を高密度化するステップ(212)が、溶浸材で前記繊維プリフォーム組立体(112)を溶融含侵することを含み、
前記溶浸材が金属または半金属から形成される、請求項1乃至7のいずれかに記載の方法(200)。 - 前記コア(108)を除去するステップ(214)が、水で前記コア(108)を溶解することを含む、請求項1乃至8のいずれかに記載の方法(200)。
- 前記コア(108)を除去するステップ(214)が、前記繊維プリフォーム(104)を最終密度まで高密度化した後に、前記コア(108)全体を除去することを含む、請求項1乃至9のいずれかに記載の方法(200)。
- 前記繊維プリフォーム(104)が複数のセラミック繊維を含む、請求項1乃至10のいずれかに記載の方法(200)。
- 前記複合材構成部品(100、101)がタービンノズルまたはタービンロータブレードであり、前記コア(108)がセラミック材料から形成される、請求項1乃至11のいずれかに記載の方法(200)。
- 前記繊維プリフォーム(104)が前記複合材構成部品(100、101)と同じ形状を有する、請求項12に記載の方法(200)。
- セラミックマトリックス複合材構成部品(100、101)内に通路(102、103)を形成するための方法(200)であって、
複数のセラミック繊維を含む繊維プリフォーム(104)を形成するステップ(202)と、
前記繊維プリフォーム(104)内に空洞(106)を形成するステップ(204)であって、前記空洞(106)が前記通路(102、103)の一部分を形成する、ステップ(204)と、
コア(108)を前記空洞(106)内に挿入するステップ(206)と、
繊維プリフォーム組立体(112)を形成するために、テープ、織物、または布として複数の繊維から予め形成された1つまたは複数のセラミック繊維プライ(110)を前記繊維プリフォーム(104)上に置くステップ(208)と、
前記繊維プリフォーム組立体(112)を熱処理するステップ(210)と、
前記セラミックマトリックス複合材構成部品(100、101)を形成するために、前記繊維プリフォーム組立体(112)を高密度化するステップ(212)と、
前記コア(108)を前記セラミックマトリックス複合材構成部品(100、101)から除去するステップ(214)と
を含む方法(200)。
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US9657580B1 (en) * | 2016-03-07 | 2017-05-23 | General Electric Company | Brazing tape and method of forming microchannels in a thermal barrier coating |
US11643948B2 (en) * | 2019-02-08 | 2023-05-09 | Raytheon Technologies Corporation | Internal cooling circuits for CMC and method of manufacture |
US11578609B2 (en) | 2019-02-08 | 2023-02-14 | Raytheon Technologies Corporation | CMC component with integral cooling channels and method of manufacture |
US11384028B2 (en) * | 2019-05-03 | 2022-07-12 | Raytheon Technologies Corporation | Internal cooling circuits for CMC and method of manufacture |
US11680488B2 (en) * | 2019-12-20 | 2023-06-20 | General Electric Company | Ceramic matrix composite component including cooling channels and method of producing |
US11548102B2 (en) | 2020-07-31 | 2023-01-10 | General Electric Company | Method for repairing composite components using a plug |
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US20180272568A1 (en) | 2018-09-27 |
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