JP6976406B2 - ガスタービン用の自立セラミックシール及び、その形成方法 - Google Patents
ガスタービン用の自立セラミックシール及び、その形成方法 Download PDFInfo
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- JP6976406B2 JP6976406B2 JP2020502487A JP2020502487A JP6976406B2 JP 6976406 B2 JP6976406 B2 JP 6976406B2 JP 2020502487 A JP2020502487 A JP 2020502487A JP 2020502487 A JP2020502487 A JP 2020502487A JP 6976406 B2 JP6976406 B2 JP 6976406B2
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- 239000000919 ceramic Substances 0.000 title claims description 72
- 238000000034 method Methods 0.000 title claims description 47
- 239000000758 substrate Substances 0.000 claims description 42
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 claims description 29
- 229910010293 ceramic material Inorganic materials 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 6
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 239000002243 precursor Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 1
- 229910001092 metal group alloy Inorganic materials 0.000 claims 1
- 238000009718 spray deposition Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 55
- 239000012071 phase Substances 0.000 description 12
- 238000007750 plasma spraying Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 7
- 238000007751 thermal spraying Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000011153 ceramic matrix composite Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910000601 superalloy Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 241000968352 Scandia <hydrozoan> Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005328 electron beam physical vapour deposition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010109 expendable mold casting Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- HJGMWXTVGKLUAQ-UHFFFAOYSA-N oxygen(2-);scandium(3+) Chemical compound [O-2].[O-2].[O-2].[Sc+3].[Sc+3] HJGMWXTVGKLUAQ-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012720 thermal barrier coating Substances 0.000 description 1
- 238000010290 vacuum plasma spraying Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
- C23C4/11—Oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
- C23C4/185—Separation of the coating from the substrate
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
- F05D2230/312—Layer deposition by plasma spraying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/55—Seals
Description
12 圧縮機入口
14 圧縮機
16 燃焼器
18 タービン
20 タービンブレード、ロータ翼形部
22 ロータ
24 ガス流出部
26 ケーシング
28 環状配置
30 弓形構成要素
32 スロット
33 セグメント間ギャップ
34 外側シュラウド
36 内側シュラウド
38 ノズルブロック
40 ダイアフラム
50 ガスタービン
52 第1の弓形構成要素
53 端面
60 シールスロット
66 自立セラミックシール
80 溶射システム、溶射装置
82 基板
83 基板表面
84 プラズマ溶射システム
86 高温プラズマガス
88 セラミック材料、YSZセラミック粉末
90 セラミック層
91 セラミック層の表面
92 破線
94 セラミック層の部分
96 セラミック層の部分
98 研磨パッド
100 方法
102 プロセス
104 プロセス
106 プロセス
A 軸
Claims (10)
- ガスタービン(10)のシーリング用の自立セラミックシール(66)を形成する方法(100)であって、
基板(82)にセラミック材料(88)を適用してセラミック層(90)を形成すること(102)と、
前記セラミック層(90)の第1の表面から前記基板(82)を除去すること(104)と、
前記セラミック層(90)の第2の表面(91)を仕上げて前記自立セラミックシール(66)を画定すること(106)と
を含む、方法(100)。 - 前記セラミック層(90)の前記第2の表面(91)に焼結性前駆体溶液もしくはスラリーを浸透させることと、
前記セラミック層(90)の前記第2の表面(91)を閉気孔に焼結することとを含む、請求項1に記載の方法(100)。 - ガスタービン(10)のシーリング用の自立セラミックシール(66)を形成する方法(100)であって、
基板(82)にセラミック材料(88)を適用してセラミック層(90)を形成すること(102)と、
前記セラミック層(90)から前記基板(82)を除去すること(104)と、
前記セラミック層(90)を仕上げて前記自立セラミックシール(66)を画定すること(106)と、
前記セラミック層(90)に焼結性前駆体溶液もしくはスラリーを浸透させることと、
前記セラミック層(90)を閉気孔に焼結すること
を含む、方法(100)。 - 基板(82)にセラミック材料(88)を適用してセラミック層(90)を形成するステップ(102)は、前記基板(82)の表面(83)に溶融または蒸気状態の一方の前記セラミック材料(88)の粒子を堆積することと、前記セラミック材料(88)を急冷して前記セラミック層(90)を形成することとを含む、請求項1乃至3のいずれかに記載の方法(100)。
- 基板(82)にセラミック材料(88)を適用してセラミック層(90)を形成するステップ(102)は、溶射堆積プロセスを使用して適用することを含む、請求項1乃至4のいずれかに記載の方法(100)。
- 前記セラミック材料(88)は、イットリア安定化ジルコニアを含み、
前記イットリア安定化ジルコニアは、主にt’正方晶構造を有する、請求項1乃至5のいずれかに記載の方法(100)。 - 前記セラミック層(90)を、シール(66)として機能するのに必要な形状が形成されるように切断することと、
前記シール(66)をガスタービン(10)のガスタービン高温ガス経路流に配置することと
を含み、
前記シール(66)は、前記ガスタービン高温ガス経路流への高圧冷却流の漏れを防ぐ、請求項1乃至6のいずれかに記載の方法(100)。 - 前記基板(82)は、金属または金属合金の1つで構成され、
前記基板(82)を除去すること(104)は、酸またはアルカリの一方を使用して前記基板(82)をエッチング除去することによって除去することを含む、請求項1乃至7のいずれかに記載の方法(100)。 - 自立セラミックシール(66)であって、
ガスタービン(10)のガスタービン高温ガス経路流をシールし、イットリア安定化ジルコニア(YSZ)で構成され、
前記自立セラミックシール(66)が、焼結性前駆体溶液もしくはスラリーが浸透され、閉気孔に焼結された表面(91)を有する、
自立セラミックシール(66)。 - 前記イットリア安定化ジルコニア(YSZ)は、t’正方晶構造を有する、請求項9に記載の自立セラミックシール(66)。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2017/042498 WO2019017890A1 (en) | 2017-07-18 | 2017-07-18 | CERAMIC FREESTANDING GASKET FOR GAS TURBINE |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020533257A JP2020533257A (ja) | 2020-11-19 |
JP6976406B2 true JP6976406B2 (ja) | 2021-12-08 |
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US4455470A (en) | 1981-08-14 | 1984-06-19 | The Perkin-Elmer Corporation | Plasma spray gun nozzle and coolant deionizer |
JPS61259777A (ja) | 1985-05-13 | 1986-11-18 | Onoda Cement Co Ltd | 単ト−チ型プラズマ溶射方法及び装置 |
US5047612A (en) | 1990-02-05 | 1991-09-10 | General Electric Company | Apparatus and method for controlling powder deposition in a plasma spray process |
JPH0693404A (ja) | 1991-12-04 | 1994-04-05 | Ngk Insulators Ltd | ランタンクロマイト膜の製造方法およびランタンクロマイト膜 |
JP2004346374A (ja) * | 2003-05-22 | 2004-12-09 | Tosoh Corp | 溶射膜の剥離方法及び溶射膜で被覆された部材の製造方法 |
JP3735671B2 (ja) * | 2003-06-11 | 2006-01-18 | 独立行政法人産業技術総合研究所 | 溶射皮膜の形成方法 |
WO2007121556A1 (en) * | 2006-04-25 | 2007-11-01 | National Research Counsil Of Canada | Thermal spray coating of porous nanostructured ceramic feedstock |
US20090162670A1 (en) | 2007-12-20 | 2009-06-25 | General Electric Company | Method for applying ceramic coatings to smooth surfaces by air plasma spray techniques, and related articles |
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JP2020533257A (ja) | 2020-11-19 |
CN110997967A (zh) | 2020-04-10 |
EP3655561A1 (en) | 2020-05-27 |
KR102395009B1 (ko) | 2022-05-04 |
WO2019017890A1 (en) | 2019-01-24 |
KR20200031637A (ko) | 2020-03-24 |
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