JP5554892B2 - 安定化層を含有する皮膜系を有するNi基超合金 - Google Patents
安定化層を含有する皮膜系を有するNi基超合金 Download PDFInfo
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- JP5554892B2 JP5554892B2 JP2007308113A JP2007308113A JP5554892B2 JP 5554892 B2 JP5554892 B2 JP 5554892B2 JP 2007308113 A JP2007308113 A JP 2007308113A JP 2007308113 A JP2007308113 A JP 2007308113A JP 5554892 B2 JP5554892 B2 JP 5554892B2
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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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/02—Pretreatment of the material to be coated
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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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
- C23C10/48—Aluminising
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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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
- C23C10/48—Aluminising
- C23C10/50—Aluminising of ferrous surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12458—All metal or with adjacent metals having composition, density, or hardness gradient
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/1275—Next to Group VIII or IB metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12875—Platinum group metal-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12944—Ni-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
ガスタービンエンジンのある種のタービン、燃焼器及びオーグメンター部品は酸化及び高温腐食作用による損傷を受け易く、耐環境皮膜と適宜遮熱コーティング(TBC)によって保護される。TBCを有する場合には、耐環境皮膜はボンドコートと呼ばれる。TBCとボンドコートは共にTBC系と呼ばれる系を形成する。
12 翼形部
14 ダブテール
16 根元部
18 通路
20 皮膜系
22 基材
24 ボンドコート
26 遮熱コーティング層
28 酸化物スケール
30 一次拡散帯
32 TCP相
34 γマトリックス相
36 SRZ
38 析出相
40 γ′マトリックス相
Claims (15)
- 基材(22)とその表面上の皮膜系(20)とを含んでなる物品(10)であって、
基材(22)が、1種以上の高融点金属を含有するニッケル基合金から形成され、γ/γ′転相を起こし得、且つ有害なTCP相(38)を生じる二次反応帯(SRZ)(36)を形成し得、
皮膜系(20)が、アルミニウム含有オーバーレイ皮膜(24)と、オーバーレイ皮膜(24)と基材(22)との間の安定化層(42)とを含んでなり、
オーバーレイ皮膜(24)が、原子%で基材(22)の金属合金中のアルミニウム量よりも多量のアルミニウムを含有しており、
安定化層(42)が、白金、ロジウム、イリジウム及びパラジウムからなる群から選択される1種以上の白金族金属から本質的になり、
アルミニウム含有オーバーレイ皮膜(24)及び安定化層(42)は、アルミニウム含有オーバーレイ皮膜(24)及び安定化層(42)を基材(22)に拡散させるための拡散処理が施されておらず、
基材(22)が、基材(22)の金属合金の機械的特性に有害なSRZ(36)を本質的に含まない
ことを特徴とする、物品(10)。 - オーバーレイ皮膜(24)が、主にβ相からなるニッケルアルミナイド金属間オーバーレイ皮膜であることを特徴とする、請求項1記載の物品(10)。
- オーバーレイ皮膜(24)が、クロム、ケイ素、反応性元素、希土類金属及び高融点金属の1種以上を含有することを特徴とする、請求項1又は請求項2記載の物品(10)。
- さらに、オーバーレイ皮膜(24)上にセラミック皮膜(26)を含む、請求項1乃至請求項3のいずれか1項記載の物品(10)。
- 安定化層(42)が、75原子%以上の1種以上の白金族金属と、基材(22)からの拡散及びオーバーレイ皮膜(24)からの拡散の結果として安定化層(42)に存在する元素と、不可避不純物とを含むことを特徴とする、請求項1乃至請求項4のいずれか1項記載の物品(10)。
- 安定化層(42)が90原子%以上の1種以上の白金族金属からなることを特徴とする、請求項1乃至請求項5のいずれか1項記載の物品(10)。
- 安定化層(42)が3〜12μmの厚さを有することを特徴とする、請求項1乃至請求項6のいずれか1項記載の物品(10)。
- 物品(10)がガスタービンエンジン部品(10)であることを特徴とする、請求項1乃至請求項7のいずれか1項記載の物品(10)。
- 物品(10)の基材(22)の表面に皮膜系(20)を設ける方法であって、
基材(22)が、1種以上の高融点金属を含有するニッケル基合金から形成され、γ/γ′転相を起こし得、且つ有害なTCP相(38)を生じる二次反応帯(SRZ)(36)を形成し得、
当該方法が、
基材(22)の表面に、白金、ロジウム、イリジウム及びパラジウムからなる群から選択される1種以上の白金族金属を75原子%以上含む安定化層(42)を形成し、
原子%で、基材(22)の金属合金中のアルミニウム量よりも多量のアルミニウムを含有し、主にβ相からなるニッケルアルミナイド金属間オーバーレイ皮膜であるアルミニウム含有オーバーレイ皮膜(24)を、安定化層(42)がオーバーレイ皮膜(24)と基材(22)との間に存在するように、安定化層(42)上に堆積させ、次に、
基材(22)とオーバーレイ皮膜(24)とこれらの間にある安定化層(42)とを熱処理する
ことを含んでなり、
オーバーレイ皮膜(24)及び安定化層(42)は、オーバーレイ皮膜(24)及び安定化層(42)を基材(22)に拡散させるための拡散処理が施されておらず、
安定化層(42)は、少なくとも30μmの厚さを有し、オーバーレイ皮膜(24)と基材(22)とを隔て、且つ少なくとも1種以上の白金族金属を含み、
基材(22)が金属合金の機械的特性に有害なSRZ(36)を本質的に含まない、方法。 - 基材(22)が、前記高融点金属として、4.5〜5.75重量%のレニウム、5.8〜10.7重量%のタンタル、0.05重量%以下のハフニウム、0.9〜2.0重量%のモリブデン、1.0重量%以下のニオブ、3.0〜7.5重量%のタングステンを含む、請求項1乃至8のいずれか1項に記載の物品(10)。
- 安定化層(42)が、合計25原子%未満のニッケル、コバルト、クロム、アルミニウム及び/又はルテニウムを含む、請求項5に記載の物品(10)。
- 安定化層(42)が、合計25原子%未満のニッケル、コバルト、クロム、アルミニウム及び/又はルテニウムを含む、請求項9に記載の方法。
- 基材(22)が、前記高融点金属として、4.5〜5.75重量%のレニウム、5.8〜10.7重量%のタンタル、0.05重量%以下のハフニウム、0.9〜2.0重量%のモリブデン、1.0重量%以下のニオブ、3.0〜7.5重量%のタングステンを含む、請求項9又は12に記載の方法。
- 前記1種以上の高融点金属は、レニウム、タングステン、タンタル、ハフニウム、モリブデン、ニオブ及びジルコニウムから選ばれる、請求項1乃至8のいずれか1項に記載の物品(10)。
- 前記1種以上の高融点金属は、レニウム、タングステン、タンタル、ハフニウム、モリブデン、ニオブ及びジルコニウムから選ばれる、請求項9又は12に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/565,410 | 2006-11-30 | ||
US11/565,410 US7544424B2 (en) | 2006-11-30 | 2006-11-30 | Ni-base superalloy having a coating system containing a stabilizing layer |
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JP2008169473A JP2008169473A (ja) | 2008-07-24 |
JP5554892B2 true JP5554892B2 (ja) | 2014-07-23 |
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JP2007308113A Expired - Fee Related JP5554892B2 (ja) | 2006-11-30 | 2007-11-29 | 安定化層を含有する皮膜系を有するNi基超合金 |
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US (2) | US7544424B2 (ja) |
EP (1) | EP1927673A3 (ja) |
JP (1) | JP5554892B2 (ja) |
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US7273662B2 (en) | 2003-05-16 | 2007-09-25 | Iowa State University Research Foundation, Inc. | High-temperature coatings with Pt metal modified γ-Ni+γ′-Ni3Al alloy compositions |
US6974636B2 (en) * | 2003-09-22 | 2005-12-13 | General Electric Company | Protective coating for turbine engine component |
US6974637B2 (en) * | 2003-12-19 | 2005-12-13 | General Electric Company | Ni-base superalloy having a thermal barrier coating system |
US7604726B2 (en) * | 2004-01-07 | 2009-10-20 | Honeywell International Inc. | Platinum aluminide coating and method thereof |
EP1715081A1 (en) * | 2004-01-15 | 2006-10-25 | Ebara Corporation | Alloy coating for diffusion barrier, method for forming same, and high-temperature device member |
US7378159B2 (en) * | 2004-08-20 | 2008-05-27 | General Electric Company | Protected article having a layered protective structure overlying a substrate |
US20050118334A1 (en) * | 2004-09-03 | 2005-06-02 | General Electric Company | Process for inhibiting srz formation and coating system therefor |
US7326441B2 (en) | 2004-10-29 | 2008-02-05 | General Electric Company | Coating systems containing beta phase and gamma-prime phase nickel aluminide |
US7357958B2 (en) * | 2004-10-29 | 2008-04-15 | General Electric Company | Methods for depositing gamma-prime nickel aluminide coatings |
US7264888B2 (en) | 2004-10-29 | 2007-09-04 | General Electric Company | Coating systems containing gamma-prime nickel aluminide coating |
US20060121304A1 (en) * | 2004-12-03 | 2006-06-08 | General Electric Company | Article protected by a diffusion-barrier layer and a plantium-group protective layer |
US7247393B2 (en) * | 2005-09-26 | 2007-07-24 | General Electric Company | Gamma prime phase-containing nickel aluminide coating |
-
2006
- 2006-11-30 US US11/565,410 patent/US7544424B2/en not_active Expired - Fee Related
-
2007
- 2007-11-26 EP EP07121486A patent/EP1927673A3/en not_active Withdrawn
- 2007-11-29 JP JP2007308113A patent/JP5554892B2/ja not_active Expired - Fee Related
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2009
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Also Published As
Publication number | Publication date |
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US20090220684A1 (en) | 2009-09-03 |
JP2008169473A (ja) | 2008-07-24 |
US8084094B2 (en) | 2011-12-27 |
US7544424B2 (en) | 2009-06-09 |
US20080131720A1 (en) | 2008-06-05 |
EP1927673A2 (en) | 2008-06-04 |
EP1927673A3 (en) | 2009-03-11 |
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