JP5653421B2 - MCrAlX層およびクロムリッチ層を含む層状コーティングシステムならびにその製造方法 - Google Patents
MCrAlX層およびクロムリッチ層を含む層状コーティングシステムならびにその製造方法 Download PDFInfo
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- JP5653421B2 JP5653421B2 JP2012513019A JP2012513019A JP5653421B2 JP 5653421 B2 JP5653421 B2 JP 5653421B2 JP 2012513019 A JP2012513019 A JP 2012513019A JP 2012513019 A JP2012513019 A JP 2012513019A JP 5653421 B2 JP5653421 B2 JP 5653421B2
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- 239000011651 chromium Substances 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 36
- 229910052804 chromium Inorganic materials 0.000 title claims description 29
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000000576 coating method Methods 0.000 title description 40
- 239000011248 coating agent Substances 0.000 title description 35
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 37
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 21
- 229910052727 yttrium Inorganic materials 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 229910052796 boron Inorganic materials 0.000 claims description 14
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 8
- 238000007749 high velocity oxygen fuel spraying Methods 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 229910000856 hastalloy Inorganic materials 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 238000007740 vapor deposition Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 103
- 238000002485 combustion reaction Methods 0.000 description 16
- 238000005260 corrosion Methods 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 12
- 239000013078 crystal Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 238000000137 annealing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229910000943 NiAl Inorganic materials 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 229910000951 Aluminide Inorganic materials 0.000 description 6
- 238000005328 electron beam physical vapour deposition Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000012720 thermal barrier coating Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 229910052735 hafnium Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 229910000601 superalloy Inorganic materials 0.000 description 4
- 229910000990 Ni alloy Inorganic materials 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229910000531 Co alloy Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000005269 aluminizing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 241000218642 Abies Species 0.000 description 1
- 229910008423 Si—B Inorganic materials 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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- C23C28/02—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 only coatings only including layers of metallic material
- C23C28/021—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 only coatings only including layers of metallic material including at least one metal alloy layer
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- 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
- 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
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- C23C28/021—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 only coatings only including layers of metallic material including at least one metal alloy layer
- C23C28/022—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 only coatings only including layers of metallic material including at least one metal alloy layer with at least one MCrAlX layer
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- C23C28/023—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 only coatings only including layers of metallic material only coatings of metal elements only
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- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
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Description
−MCrAlY型の合金コート材料を形成。
−任意選択的に、MCrAlY型コーティングをクロム化して、固体溶液中で、コーティングのM成分中に過剰なクロムを有するクロム化上層を形成。
−コーティングをアルミニウム化して、コーティングのM成分中にアルミナイドを含む表面層を有するコーティングを形成。
−アルミニウム化されたコーティングの表面上に白金層を蒸着。
−MCrAlY型の合金コーティング材料を形成。
−任意選択的に、MCrAlY型コーティングをクロム化して、固体溶液中で、コーティングのM成分中に過剰なクロムを含むクロム化上層を含むコーティングを形成。
−コーティングをアルミニウム処理して、コーティングのM成分のアルミナイドを含む表面層を有するコーティングを形成。
−アルミニウム化されたコーティングの表面上に白金層を蒸着。
ベースコート:HVOFまたはプラズマによりスプレーされたMCrAlY(VPSやLPPSなどの他の方法によりスプレーされてもよい)。
Crリッチ層:CVDまたは上記のクロム化方法により形成。その後のアニール処理において安定なCr層とするには、4時間のクロム化サイクルが必要であることがわかった。
Ni:10μm乃至20μmのNiメッキ。
アルミニウム化:CVDまたは上記のアルミニウム化方法により形成。基体材料の機械的性質を回復するには最終的なアニールが必要である。
ベースコート:HVOFまたはプラズマによりスプレーされたMCrAlY(VPSやLPPSなどの他の方法によりスプレーされてもよい)。
Crリッチ層:MCrAlYについてCVDまたは上記方法により4時間かけて過剰にクロム化した。その後、NiCrSiB(Amdry103粉末または同様の化合物粉末)をHVOFまたはプラズマ法を用いて形成してもよい(VPSやLPPSなどの他の方法によりスプレーされてもよい)。
アルミニウム化:CVDまたは上記のアルミニウム化方法により形成。基体材料の機械的性質を回復するには最終的なアニールが必要である。
Claims (42)
- 基体(4)と、
Xは、イットリウム(Y)、シリコン(Si)、アルミニウム(Al)およびホウ素(B)の少なくともいずれか1つであり、Mは、ニッケル(Ni)およびコバルト(Co)の少なくともいずれか1つであるとして、前記基体(4)上に最下層として設けられた単一のMCrX層(7)と、
前記MCrX層(7)の上または中に設けられたクロムリッチ層(10)と、
X’’はY、SiおよびBの少なくともいずれか1つであるとして、前記クロムリッチ層(10)上に設けられたMCrX’’層(13)と、
を備える、ことを特徴とする層システム。 - 前記MCrX層(7)はMCrAlX’層であり、X’はイットリウム(Y)である、請求項1記載の層システム。
- 前記MCrAlX’層(7)は、NiCrAlY合金から構成される、請求項2記載の層システム。
- 前記NiCrAlY合金は、at%で、67%Ni、22%Cr、10%Al、1.0%Yから構成される、請求項3記載の層システム。
- 前記MCrX層(7)上または中の前記クロムリッチ層(10)は、α−クロム層から構成されている、請求項1乃至4のいずれか1項記載の層システム。
- 前記クロムリッチ層(10)は、前記MCrAlX’層(7)の上に設けられ、および/または、前記MCrAlX’層(7)内の拡散層である、請求項2乃至4のいずれか1項記載の層システム。
- X’’はイットリウム(Y)、シリコン(Si)およびホウ素(B)である、請求項1乃至6のいずれか1項記載の層システム。
- 前記MCrX’’層(13)は、at%で73.7%Ni、17%Cr、9.2%Si、0.1%Bから構成されるNiCrSiB層から構成される、請求項1乃至6のいずれか1項記載の層システム。
- 最外層(19)が、前記MCrX’’層(13)の上、または、前記MCrX’’層(13)の中に設けられている、請求項1乃至8のいずれか1項記載の層システム。
- 前記最外層(19)はアルミニウムリッチ層、アルミニウム層またはβ−NiAl構造から構成される、請求項9記載の層システム。
- 前記最外層(19)は、アルミニウム化された前記MCrX’’(13)層の一部である、請求項9または10記載の層システム。
- X’はYのみである、請求項2記載の層システム。
- X’’はSiおよびBのみである、請求項7記載の層システム。
- 前記基体(4)と、
前記MCrX層(7)およびMCrX’’層(13)と、
前記クロムリッチ層(10)と、
最外層アルミニウムリッチ層(19)と、
から構成される、請求項1乃至13の少なくとも1項記載の層システム。 - 前記基体(4)と、
前記MCrX層(7)と、
前記クロムリッチ層(10)と、
前記MCrX’’層(13)と、
最外層(19)と、
からなる、請求項1乃至14の少なくとも1項記載の層システム。 - 最初の使用の前に熱処理されている、請求項1乃至15のいずれか1項記載の層システム。
- 前記基体(4)は、ハステロイ(登録商標)Xから構成される、請求項1、14または15記載の層システム。
- MはNiのみである、請求項1乃至5、7乃至10、13乃至16のいずれか1項記載の層システム。
- XはY、Si、AlまたはBのいずれかのみである、請求項1記載の層システム。
- 基体(4)上に単一のMCrX層(7)を形成し、なお、Xはイットリウム(Y)、シリコン(Si)、アルミニウム(Al)およびホウ素(B)の少なくともいずれか1つであり、Mはニッケル(Ni)およびコバルト(Co)の少なくともいずれか1つであり、
クロムリッチ層(10)を形成し、
MCrX’’層(13)を、前記クロムリッチ層(10)上に形成する、なお、X’’はシリコン(Si)および/またはホウ素(B)である、
構成要素(1)の製造方法。 - 前記MCrX層(7)が、HVOFにより形成される、請求項20記載の方法。
- 前記クロムリッチ層(10)は、クロム化処理によって形成される、請求項20または21記載の方法。
- 前記クロムリッチ層(10)はCVDにより形成される、請求項20または22記載の方法。
- 前記クロム化処理は繰り返される、請求項22記載の方法。
- X’’はシリコン(Si)およびホウ素(B)である、請求項20、22、23または24記載の方法。
- 安定化熱処理が行われる、請求項25記載の方法。
- アルミニウム化により最外層アルミリッチ層(19)を形成する、請求項25または26記載の方法。
- アルミニウム化により最外層アルミリッチ層(19)を形成する、請求項20、22、23または24記載の方法。
- 前記アルミニウム化は蒸着により行われる、請求項27または28記載の方法。
- 前記アルミニウム化は、1080℃で行われる、請求項27または28記載の方法。
- 前記アルミニウム化の後に熱処理が行われる、請求項27、29または30記載の方法。
- 前記クロムリッチ層(10)は、1050℃乃至1080℃の温度での、2時間〜4時間のクロム化処理によって形成される、請求項20または21記載の方法。
- 1010℃で、6時間、安定化熱処理が行われる、請求項25記載の方法。
- 前記最外層アルミリッチ層(19)が、アルミニウム化により形成される、請求項27または28記載の方法。
- 前記アルミニウム化はCVDにより行われる、請求項27、28または34記載の方法。
- 前記アルミニウム化は、1080℃で、7時間行われる、請求項27、28または34記載の方法。
- アルミニウム化の後、真空下で、1080℃で2時間、熱処理が行われる、請求項27、29または31記載の方法。
- α−クロム層(10)が形成される、請求項20〜37のいずれか1項記載の方法。
- 前記クロム化は、4回繰り返される、請求項24記載の方法。
- 前記MCrX層(7)は、前記基体(4)上に直接設けられる、
請求項1乃至19のいずれか1項記載の層システム。 - 前記クロムリッチ層(10)は、拡散層のみである、請求項1乃至5のいずれか1項記載の層システム。
- 前記MCrX’’層(13)は、NiCrSiBからなる、請求項1乃至6のいずれか1項記載の層システム。
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