JP2020094579A - 表面仕上げ改善用のコーティング - Google Patents
表面仕上げ改善用のコーティング Download PDFInfo
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- JP2020094579A JP2020094579A JP2019182740A JP2019182740A JP2020094579A JP 2020094579 A JP2020094579 A JP 2020094579A JP 2019182740 A JP2019182740 A JP 2019182740A JP 2019182740 A JP2019182740 A JP 2019182740A JP 2020094579 A JP2020094579 A JP 2020094579A
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- cmc
- coating
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- cmc component
- ceramic matrix
- Prior art date
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- 238000000576 coating method Methods 0.000 title claims abstract description 68
- 239000011248 coating agent Substances 0.000 title claims abstract description 46
- 239000011153 ceramic matrix composite Substances 0.000 claims abstract description 86
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 22
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 22
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 14
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 9
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 6
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052810 boron oxide Inorganic materials 0.000 claims description 5
- 238000009760 electrical discharge machining Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 28
- 239000000203 mixture Substances 0.000 description 26
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000007704 transition Effects 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 5
- 229910010271 silicon carbide Inorganic materials 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 4
- 239000008199 coating composition Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910000601 superalloy Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- MOWNZPNSYMGTMD-UHFFFAOYSA-N oxidoboron Chemical compound O=[B] MOWNZPNSYMGTMD-UHFFFAOYSA-N 0.000 description 2
- 239000012720 thermal barrier coating Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- INRKYSWUWKGXEF-UHFFFAOYSA-N [O-2].[AlH2+].[AlH2+] Chemical compound [O-2].[AlH2+].[AlH2+] INRKYSWUWKGXEF-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910000419 boron suboxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- YWCYJWYNSHTONE-UHFFFAOYSA-O oxido(oxonio)boron Chemical compound [OH2+][B][O-] YWCYJWYNSHTONE-UHFFFAOYSA-O 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
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- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Dispersion Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
12 圧縮機セクション
14 入口
16 ケーシング
18 燃焼セクション、燃焼器セクション
20 環状燃焼器
22 タービンセクション
24 ロータシャフト
26 空気
28 圧縮空気
30 高温ガス
32 第1段
34 タービンノズル
36 タービンロータブレード、翼形部、第1段タービンロータ
38 タービンケーシング
40 シュラウドブロックアセンブリ
42 先端、先端部分
44 前縁
46 後縁
48 根元
50 プラットフォーム
52 トランジションピース
54 燃焼器ライナ
56 第1段ノズル、段1のノズル
58 第2段ノズル
60 流路ダクト
62 装着ハードウェア
64 スラッシュ面
66 シュラウドセグメント後方縁
68 シュラウドセグメント前方縁
70 プラットフォーム後方縁
72 プラットフォーム前方縁
74 プラットフォーム円周方向縁
76 シュラウド高温ガス表面
90 円周方向
92 軸方向
94 半径方向
100 シュラウドブロックセグメント
302 試験点
304 試験点
306 試験点
308 試験点
310 試験点
312 試験点
314 試験点
316 試験点
318 試験点
320 試験点
322 試験点
324 試験点
326 試験点
328 試験点
330 試験点
332 試験点
334 試験点
336 試験点
338 試験点
340 試験点
342 試験点
344 試験点
346 試験点
348 試験点
350 試験点
352 材料系
354 組成物欄、組成物
356 処理温度
358 熱膨張係数(CTE)
360 軟化点、軟化温度
500 方法
CL エンジン中心線
Claims (10)
- 少なくとも1つのシール表面(64)を有する第1のシュラウドブロックセグメント(100)であって、前記少なくとも1つのシール表面(64)は、第2のシュラウドブロックセグメント(100)のインターフェース表面(64)に隣接して配置されて前記第1のシュラウドブロックセグメント(100)と前記第2のシュラウドブロックセグメント(100)との間にシールを提供する第1のシュラウドブロックセグメント(100)と、
前記少なくとも1つのシール表面(64)に配置されたコーティングと
を備え、
前記コーティングは、酸化アルミニウム、二酸化ケイ素、または酸化アルミニウムと二酸化ケイ素の両方を含む、
セラミックマトリックス複合材(CMC)構成要素。 - 前記コーティングが、平均粗さが約10Ra〜約150Raの表面仕上げを含む、請求項1に記載のセラミックマトリックス複合材(CMC)構成要素。
- 前記コーティングが、約1200℃を超える軟化点(360)を含む、請求項1に記載のセラミックマトリックス複合材(CMC)構成要素。
- 前記コーティングが、約8.0(×10^−6/(℃))以下の熱膨張係数(358)を含む、請求項1に記載のセラミックマトリックス複合材(CMC)構成要素。
- 前記コーティングの熱膨張係数(358)の約20%以内である熱膨張係数(358)をさらに含む、請求項1に記載のセラミックマトリックス複合材(CMC)構成要素。
- 前記コーティングが、酸化バリウム、酸化イットリウム、または酸化イットリウムと酸化ホウ素の両方をさらに含む、請求項1に記載のセラミックマトリックス複合材(CMC)構成要素。
- 圧縮機セクション(12)と、
前記圧縮機セクション(12)の下流に流体的に結合された燃焼器セクション(18)と、
前記燃焼器セクション(18)の下流に流体的に結合されたタービンセクション(22)と
を備え、
前記タービンセクション(22)は、請求項1乃至6のいずれか1項に記載のセラミックマトリックス複合材(CMC)構成要素を含む、
ガスタービン(10)。 - 請求項1乃至6のいずれか1項に記載のコーティングされたセラミックマトリックス複合材(CMC)構成要素を形成する方法(500)であって、
シュラウドブロックセグメント(100)であるCMC構成要素を提供すること(502)と、
前記CMC構成要素の研削および前記CMC構成要素の放電加工(EDM)の少なくとも1つを実行すること(504、506)と、
研削または放電加工の後にコーティングを前記CMC構成要素に堆積すること(508)と
を含み、
前記コーティングは、酸化アルミニウム、二酸化ケイ素、または酸化アルミニウムと二酸化ケイ素の両方を含む、
方法(500)。 - コーティングを前記CMC構成要素に前記堆積すること(508)の後、前記CMC構成要素を熱処理すること(510)、
コーティングを前記CMC構成要素に前記堆積すること(508)の後、前記CMC構成要素をホーニング加工すること(514)、
コーティングを前記CMC構成要素に前記堆積すること(508)の後、前記CMC構成要素を押出ホーニング加工すること(516)、
コーティングを前記CMC構成要素に前記堆積すること(508)の後、前記CMC構成要素を研削すること(512)、および
コーティングを前記CMC構成要素に前記堆積すること(508)の後、前記CMC構成要素を研磨すること(518)
の少なくとも1つをさらに含む、請求項8に記載の方法(500)。 - コーティングを前記CMC構成要素に堆積すること(508)が、
前記コーティングを前記CMC構成要素上にスプレーすること、
前記コーティングを1つまたは複数のテープを介して前記CMC構成要素上に塗布すること、
前記コーティングを前記CMC構成要素上に手動でブラッシングすること、
前記コーティングを粉末として前記CMC構成要素上に塗布し、続いて前記CMC構成要素上で前記粉末を結晶化すること
の少なくとも1つをさらに含む、請求項8に記載の方法(500)。
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