JP2005313644A - 耐剥離性金属製物品および金属製物品剥離低減方法 - Google Patents
耐剥離性金属製物品および金属製物品剥離低減方法 Download PDFInfo
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Abstract
【解決手段】耐剥離性金属製物品(10)は、金属基体(11)と、少なくとも一つのセラミック断熱被覆(15)と、金属基体(11)の少なくとも一部の上で金属基体(11)と少なくとも一つのセラミック断熱被覆(15)との間に配置されたセラミック接合被覆(13)とを備えており、セラミック断熱被覆(15)は、ジルコニア基であって、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、Sc、In、Y、Mo、およびC、希土類酸化物、スカンジウム、およびインジウムから成る群より選択される少なくとも一つの他の元素を含み、セラミック接合被覆(13)は、イットリア安定化ジルコニア(YSZ)から成る。
【選択図】図1
Description
Moと層状に重ねられた7YSZ(一つの銃が絶えず7YSZを蒸発させ、もう一方の銃が7YSZとMoの間で交代する);
均一なMoを有する7YSZ(一つの銃が絶えず7YSZを蒸発させ、もう一方の銃が絶えずMoを蒸発させる);
Cと層状に重ねられた7YSZ(一つの銃が絶えず7YSZを蒸発させ、もう一方の銃が7YSZとCの間で交代する);
均一なCを有する7YSZ(一つの銃が絶えず7YSZを蒸発させ、もう一方の銃が絶えずCを蒸発させる);
Moと層状に重ねられた59GdZr(一つの銃が絶えず59GdZrを蒸発させ、もう一方の銃が59GdZrとMoの間で交代する);
均一なMoを有する59GdZr(一つの銃が絶えず59GdZrを蒸発させ、もう一方の銃が絶えずMoを蒸発させる);
Cと層状に重ねられた59GdZr(一つの銃が絶えず59GdZrを蒸発させ、もう一方の銃が59GdZrとCの間で交代する);
均一なCを有する59GdZr(一つの銃が絶えず59GdZrを蒸発させ、もう一方の銃が絶えずCを蒸発させる);
である。
11…金属基体
13…セラミック接合被覆層
15、15’…セラミックTBC
17…TGO層
19…裏面
21…外側表面
33…セラミック層
51…金属接合被覆層
Claims (29)
- 金属基体と、
少なくとも一つのセラミック断熱被覆と、
金属基体と少なくとも一つのセラミック断熱被覆との間にあるセラミック接合被覆と、
を備える、耐剥離性金属製物品であって、
セラミック断熱被覆は、ジルコニア基であって、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、Sc、In、Y、Mo、およびC、希土類酸化物、スカンジウム、およびインジウムから成る群より選択される少なくとも一つの他の元素を含み、
セラミック接合被覆は、イットリア安定化ジルコニア(YSZ)から成る、
ことを特徴とする耐剥離性金属製物品。 - 金属基体は、鋼、超合金、チタン合金、および銅合金から成る群より選択されることを特徴とする請求項1記載の物品。
- 熱成長酸化物(TGO)層が、金属基体とセラミック接合被覆との間に配置されることを特徴とする請求項1記載の物品。
- セラミック接合被覆は、おおよそ0.5と3.0ミルの間、好ましくは約1.0ミルの厚みを有することを特徴とする請求項1記載の物品。
- 外側セラミック被覆が、前記少なくとも一つのセラミック熱障壁の外側表面に施され、外側セラミック接合被覆は、ジルコニア基であって、Sm、La、Yb、Ce、Lu、Mo、希土類酸化物、イットリウム、スカンジウム、インジウム、およびこれらの組み合わせから成る群より選択される少なくとも一つの他の元素を含むことを特徴とする請求項1記載の物品。
- YSZから成るセラミック層が、少なくとも一つのセラミック断熱被覆のうちの二つの間に配置されることを特徴とする請求項1記載の物品。
- セラミック層は、おおよそ0.5と3.0ミルの間、好ましくは約1.0ミルの厚みを有することを特徴とする請求項6記載の物品。
- 少なくとも一つのセラミック断熱被覆は、溶射、スパッタリング、および電子ビーム物理蒸着(EBPVD)から成る群より選択されるプロセスによって施され、少なくとも一つのセラミック断熱被覆は、約1.5W/m℃未満の熱伝導率を有することを特徴とする請求項1記載の物品。
- 物品は、ガスタービンエンジン部材を画成することを特徴とする請求項1記載の物品。
- TGO層と金属基体との間に金属接合被覆層をさらに含むことを特徴とする請求項1記載の物品。
- 金属接合被覆は、オーバーレイ(MCrAlY)およびアルミニドから成る群より選択される材料で形成され、金属基体は、アルミナ層を形成できるニッケル基超合金で形成されることを特徴とする請求項10記載の物品。
- 金属基体を用意し、
金属基体を、ジルコニア基であって、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、Sc、In、Y、Mo、およびC、希土類酸化物、スカンジウム、およびインジウムから成る群より選択される少なくとも一つの他の元素を含む少なくとも一つのセラミック断熱被覆で被覆し、
イットリア安定化ジルコニア(YSZ)から成るセラミック接合被覆を、金属基体と少なくとも一つのセラミック断熱被覆との間に配置する、
工程を含むことを特徴とする、金属製物品における剥離を低減する方法。 - 前記のセラミック接合被覆を配置することは、おおよそ0.5と3.0ミルの間、好ましくは約1.0ミルの厚みを有するセラミック接合被覆を配置することを含むことを特徴とする請求項12記載の方法。
- 前記の用意する工程は、鋼、超合金、チタン合金、および銅合金から成る群より選択される金属基体を用意することを含むことを特徴とする請求項12記載の方法。
- 金属基体とセラミック接合被覆との間に配置される熱成長酸化物(TGO)層を提供するさらなる工程を含むことを特徴とする請求項12記載の方法。
- 前記方法は、外側セラミック被覆を前記少なくとも一つのセラミック熱障壁の外側表面に施すさらなる工程を含み、外側セラミック接合被覆は、ジルコニア基であって、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、Sc、In、Y、Mo、およびC、希土類酸化物、スカンジウム、インジウム、およびこれらの組み合わせから成る群より選択される少なくとも一つの他の元素を含むことを特徴とする請求項12記載の方法。
- YSZから成るセラミック層を少なくとも一つのセラミック断熱被覆のうちの二つの間に配置するさらなる工程を含むことを特徴とする請求項12記載の方法。
- 前記のセラミック層を配置することは、おおよそ0.5と3.0ミルの間、好ましくは約1.0ミルの厚みを有するセラミック層を配置することを含むことを特徴とする請求項17記載の方法。
- 前記の金属基体を少なくとも一つのセラミック断熱被覆で被覆することは、溶射、スパッタリング、および電子ビーム物理蒸着(EBPVD)から成る群より選択されるプロセスによって少なくとも一つのセラミック断熱被覆を施すことを含むことを特徴とする請求項12記載の方法。
- 前記の金属基体を少なくとも一つのセラミック断熱被覆で被覆することは、約1.5W/m℃未満の熱伝導率を有する少なくとも一つのセラミック断熱被覆で被覆することを含むことを特徴とする請求項12記載の方法。
- 金属基体と、
少なくとも一つのセラミック断熱被覆と、
金属基体と少なくとも一つのセラミック断熱被覆との間にあるセラミック接合被覆と、
金属基体とセラミック接合被覆との間に配置される熱成長酸化物(TGO)層と、
TGO層と金属基体との間にある金属接合被覆層と、
を備える、耐剥離性金属製物品であって、
セラミック断熱被覆は、ジルコニア基であって、La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm、Yb、Lu、Sc、In、Y、Mo、およびC、希土類酸化物、スカンジウム、およびインジウムから成る群より選択される少なくとも一つの他の元素を含み、
セラミック接合被覆は、イットリア安定化ジルコニア(YSZ)から成る、
ことを特徴とする耐剥離性金属製物品。 - 金属基体は、鋼、超合金、チタン合金、および銅合金から成る群より選択されることを特徴とする請求項21記載の物品。
- セラミック接合被覆は、おおよそ0.5と3.0ミルの間、好ましくは約1.0ミルの厚みを有することを特徴とする請求項21記載の物品。
- 外側セラミック被覆が、前記少なくとも一つのセラミック熱障壁の外側表面に施され、外側セラミック接合被覆は、ジルコニア基であって、Sm、La、Yb、Ce、Lu、Mo、希土類酸化物、イットリウム、スカンジウム、インジウム、およびこれらの組み合わせから成る群より選択される少なくとも一つの他の元素を含むことを特徴とする請求項21記載の物品。
- YSZから成るセラミック層が、少なくとも一つのセラミック断熱被覆のうちの二つの間に配置されることを特徴とする請求項21記載の物品。
- セラミック層は、おおよそ0.5と3.0ミルの間、好ましくは約1.0ミルの厚みを有することを特徴とする請求項25記載の物品。
- 少なくとも一つのセラミック断熱被覆は、溶射、スパッタリング、および電子ビーム物理蒸着(EBPVD)から成る群より選択されるプロセスによって施され、少なくとも一つのセラミック断熱被覆は、約1.5W/m℃未満の熱伝導率を有することを特徴とする請求項21記載の物品。
- 物品は、ガスタービンエンジン部材を画成することを特徴とする請求項21記載の物品。
- 金属接合被覆は、オーバーレイ(MCrAlY)およびアルミニドから成る群より選択される材料で形成され、金属基体は、アルミナ層を形成できるニッケル基超合金で形成されることを特徴とする請求項21記載の物品。
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KR (1) | KR100687123B1 (ja) |
CN (1) | CN1689800A (ja) |
RU (1) | RU2005112931A (ja) |
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TW200538276A (en) | 2005-12-01 |
EP1591550B2 (en) | 2023-06-07 |
EP1591550A1 (en) | 2005-11-02 |
RU2005112931A (ru) | 2006-11-20 |
KR20060047487A (ko) | 2006-05-18 |
CN1689800A (zh) | 2005-11-02 |
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