JP7244667B2 - 熱サイクル疲労と耐硫化性の優れたtbc用の高度なボンドコート材料 - Google Patents
熱サイクル疲労と耐硫化性の優れたtbc用の高度なボンドコート材料 Download PDFInfo
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- JP7244667B2 JP7244667B2 JP2021549481A JP2021549481A JP7244667B2 JP 7244667 B2 JP7244667 B2 JP 7244667B2 JP 2021549481 A JP2021549481 A JP 2021549481A JP 2021549481 A JP2021549481 A JP 2021549481A JP 7244667 B2 JP7244667 B2 JP 7244667B2
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- 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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0227—Rods, wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/3066—Fe as the principal constituent with Ni as next major constituent
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
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- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
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- C23C28/321—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer
- C23C28/3215—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer at least one MCrAlX layer
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
- C23C28/3455—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide layer
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- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- 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
- C23C4/06—Metallic material
- C23C4/073—Metallic material containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements
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Description
ボンドコートまたはボンド層は、基板に塗布するための粉末形態とすることができるボンドコーティング材料から形成される。ボンドコーティング材料から形成されたボンドコートまたはボンド層は、TBCなどのトップコートの熱サイクル疲労および耐硫化性に影響を与え、それは、硫黄が存在する場合と存在しない場合のTBCの炉サイクル寿命によって有効性を評価できる。TBCは、高温や硫黄の存在などの過酷な環境によって劣化する可能性がある。例えば、TBCを有する産業用ガスタービンの燃料として高い硫黄含有量を含む油を使用することは、TBCの寿命を縮める重要な要因の1つである。
完全なTBCシステムは、TBCなどのボンドコートとトップコートの界面にTGOの望ましい高密度のアルファアルミナ層を形成し、これは、酸素がさらに内側に拡散することを阻止し、基板の酸化を防ぐのに十分である。形成されたTGOは、予想外に長時間の熱内部応力による層間剥離による破損を引き起こすほど厚くはない。
a)10重量%~30重量%、好ましくは20重量%~26重量%の量のクロムと、
b)タンタルおよびモリブデンの総量が3重量%~15重量%、好ましくは5重量%~12重量%、より好ましくは9重量%~11重量%である、タンタルおよびモリブデンのうちの少なくとも1つと、
c)5重量%~13重量%、好ましくは6重量%~10重量%の量のアルミニウムと、
d)0.1重量%~1.4重量%、好ましくは0.3重量%~1.1重量%、より好ましくは0.5重量%~1.0重量%の量のケイ素と、
e)0.1重量%~0.8重量%、好ましくは0.3重量%~0.75重量%の量のイットリウムと、
f)0重量%~1.2重量%、好ましくは0.3重量%~1.1重量%、より好ましくは0.5重量%~1.0重量%の量の炭素と、
g)0重量%~1重量%、例えば、0.1重量%~0.5重量%の量のジスプロシウムと、
h)0重量%~1重量%、例えば0.1重量%~0.5重量%の量のセリウムと、
i)残部であるニッケルとを含み、a)~i)の成分割合は合計で100重量%になる。タンタルおよびモリブデンのうちの少なくとも1つの総量と、アルミニウムおよびケイ素の量はそれぞれ、ボンドコートまたはコーティングからのトップコートの層間剥離を回避し、硫黄の存在の有無にかかわらず、ガスタービンエンジン部品などの高温環境での、予想外に高い熱サイクル疲労耐性および耐硫化性と、予想外に長い熱サイクル寿命とを達成するために重要である。
完全なTBCシステムは、ボンドコートとTBCなどのトップコートとの界面にTGOの望ましい高密度のアルファアルミナ層を形成し、これは、酸素がさらに内側に拡散することをブロックし、基板の酸化を防ぐのに十分である。形成されたTGOは、予想外に長時間の熱内部応力による層間剥離による破損を引き起こすほど過度に厚くはない。
a)10重量%~30重量%、好ましくは20重量%~26重量%の量のクロムと、
b)タンタルおよびモリブデンの総量が3重量%~15重量%、好ましくは5重量%~12重量%、より好ましくは9重量%~11重量%である、タンタルおよびモリブデンのうちの少なくとも1つ、例えば、
1)Ta無しで、5重量%~15重量%のMo、または、
2)3重量%~7重量%のMoおよび3重量%~7重量%のTa、または、
3)Mo無しで、5重量%~15重量%のTaと、
c)5重量%~13重量%、好ましくは6重量%~10重量%の量のアルミニウムと、
d)0.1重量%~1.4重量%、例えば0.5重量%~1.4重量%、好ましくは0.3重量%~1.1重量%、より好ましくは0.5重量%~1.0重量%の量のケイ素と、
e)0.1重量%~0.8重量%、例えば0.3重量%~0.8重量%、好ましくは0.3重量%~0.75重量%の量のイットリウムと、
f)0重量%~1.2重量%、例えば0.5重量%~1.2重量%、好ましくは0.3重量%~1.1重量%、より好ましくは0.5重量%~1.0重量%の量の炭素と、
g)0重量%~1重量%、例えば、0.1重量%~0.5重量%の量のジスプロシウムと、
h)0重量%~1重量%、例えば0.1重量%~0.5重量%の量のセリウムと、
i)残部であるニッケルとを含み、a)~i)の成分割合は合計で100重量%になる。
1)タンタルとモリブデンの総量は、3重量%~15重量%であり、
2)好ましくは、5重量%~12重量%であり、
3)より好ましくは、9重量%~11重量%である。
例えば、本発明の実施形態では、ボンドコーティングまたはボンドコーティング材料に対して、
1)タンタルの量は0重量%~12重量%とすることができ、モリブデンの量は0重量%~12重量%とすることができるが、タンタルとモリブデンの総量は3重量%~15重量%でなければならない。
2)タンタル含有量は、モリブデン無し(モリブデン含有量0%)またはモリブデンありで使用される場合、4重量%~11重量%とすることができる。しかしながら、後者の場合、モリブデンを使用する場合、タンタル含有量が11重量%の範囲の上限にあるとき、その量は最大4重量%になり得るので、タンタルとモリブデンの総量は15重量%となる。
3)モリブデンの量は、タンタル無しでまたはタンタルありで使用される場合、4重量%~11重量%とすることができる。しかしながら、後者の場合、タンタルを使用する場合、モリブデン含有量が11重量%の範囲の上限にあるとき、その量は最大4重量%になり得るので、タンタルとモリブデンの総量は15重量%となる。好ましい実施形態では、タンタルは、モリブデンの有無にかかわらず使用される。
Claims (20)
- a)10重量%~30重量%の量のクロムと、
b)タンタルおよびモリブデンの総量が3重量%~15重量%である、タンタルおよびモリブデンのうちの少なくとも1つと、
c)5重量%~13重量%の量のアルミニウムと、
d)0.1重量%~1.4重量%の量のケイ素と、
e)0.1重量%~0.8重量%の量のイットリウムと、
f)0重量%~1.2重量%の量の炭素と、
g)0重量%~1重量%の量のジスプロシウムと、
h)0重量%~1重量%の量のセリウムと、
i)残部であるニッケルとを含み、
a)~i)の成分割合が合計100重量%になる、ボンドコーティング材料。 - 粉末、合金、ワイヤー、バー、ロッド、プレート、ボンドコート、およびボンドコーティングからなる群から選択される、請求項1に記載のボンドコーティング材料。
- タンタルの量が4重量%~11重量%である、請求項1に記載のボンドコーティング材料。
- タンタルの量が0重量%~12重量%であり、モリブデンの量が0重量%~12重量%である、請求項1に記載のボンドコーティング材料。
- 請求項1に記載のボンドコーティング材料を含む溶射粉末。
- 遮熱コーティング(TBC)材料、摩耗性金属、摩耗性合金、または摩耗性セラミックスのうちの少なくとも1つをさらに含む、請求項5に記載の溶射粉末。
- b)タンタルおよびモリブデンのうちの少なくとも1つは、タンタルおよびモリブデンの総量が5重量%~12重量%である、請求項1に記載のボンドコーティング材料。
- b)タンタルおよびモリブデンのうちの少なくとも1つは、タンタルおよびモリブデンの総量が9重量%~11重量%である、請求項1に記載のボンドコーティング材料。
- アルミニウムが、6重量%~10重量%の量であり、
ケイ素が、0.3重量%~1.1重量%の量であり、
炭素が、0.3重量%~1.1重量%の量である、請求項7に記載のボンドコーティング材料。 - アルミニウムが、6重量%~10重量%の量であり、
ケイ素が、0.3重量%~1.1重量%の量であり、
炭素が、0.3重量%~1.1重量%の量である、請求項8に記載のボンドコーティング材料。 - a)クロムは、20重量%~26重量%の量であり、
b)タンタルおよびモリブデンのうちの少なくとも1つは、タンタルおよびモリブデンの総量が5重量%~12重量%であり、
c)アルミニウムが、6重量%~10重量%の量であり、
d)ケイ素が、0.3重量%~1.1重量%の量であり、
e)イットリウムが、0.3重量%~0.75重量%の量であり、
f)炭素が、0.3重量%~1.1重量%の量であり、
g)ジスプロシウムが、0.1重量%~0.5重量%の量であり、
h)セリウムが、0.1重量%~0.5重量%の量であり、
i)残部がニッケルである、請求項1に記載のボンドコーティング材料。 - a)10重量%~30重量%の量のクロムと、
b)タンタルおよびモリブデンの総量が3重量%~15重量%である、タンタルおよびモリブデンのうちの少なくとも1つと、
c)5重量%~13重量%の量のアルミニウムと、
d)0.3重量%~1.1重量%の量のケイ素と、
e)0.1重量%~0.8重量%の量のイットリウムと、
f)0.3重量%~1.1重量%の量の炭素と、
g)0重量%~1重量%の量のジスプロシウムと、
h)0重量%~1重量%の量のセリウムと、
i)残部であるニッケルとを含み、
a)~i)の成分割合が合計100重量%になる、合金。 - a)クロムが、20重量%~26重量%の量であり、
b)タンタルとモリブデンのうちの少なくとも1つは、タンタルおよびモリブデンの総量が5重量%~12重量%であり、
c)アルミニウムが、6重量%~10重量%の量である、請求項12に記載の合金。 - 請求項12に記載の合金を含むボンドコートまたはコーティング。
- トップコートおよび請求項14に記載のボンドコートまたコーティングを含む遮熱コーティングシステム。
- 基板および請求項15に記載の遮熱コーティングシステムを含む、コーティングされた基板であって、前記ボンドコートまたはコーティングによって前記基板に接合されている、コーティングされた基板。
- 基板からのトップコートの層間剥離を低減する方法であって、
ボンドコートとして請求項12に記載の合金を用いて前記トップコートを前記基板に接合するステップと、
前記トップコートと前記ボンドコートとの間で熱成長酸化物(TGO)を核形成および成長させ、酸素がさらに内側に拡散することを阻止し、前記基板の酸化を防ぐステップとを含む、方法。 - 前記トップコートは遮熱コーティング(TBC)を含み、前記基板はガスタービンエンジン部品を含み、前記TGOはアルファアルミナを含み、硫黄の存在下での熱内部応力からの層間剥離を低減する、請求項17に記載の方法。
- 基板からのトップコートの層間剥離を低減する方法であって、
ボンドコートとして請求項1に記載のボンドコーティング材料を用いて前記トップコートを前記基板に接合するステップと、
前記トップコートと前記ボンドコートとの間で熱成長酸化物(TGO)を核形成および成長させ、酸素がさらに内側に拡散することを阻止し、前記基板の酸化を防ぐステップとを含む、方法。 - 前記トップコートは遮熱コーティング(TBC)を含み、前記基板はガスタービンエンジン部品を含み、前記TGOはアルファアルミナを含み、硫黄の存在下での熱内部応力からの層間剥離を低減する、請求項19に記載の方法。
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