JP2004332114A - ニッケル基超合金及び単結晶鋳造品 - Google Patents
ニッケル基超合金及び単結晶鋳造品 Download PDFInfo
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- JP2004332114A JP2004332114A JP2004133206A JP2004133206A JP2004332114A JP 2004332114 A JP2004332114 A JP 2004332114A JP 2004133206 A JP2004133206 A JP 2004133206A JP 2004133206 A JP2004133206 A JP 2004133206A JP 2004332114 A JP2004332114 A JP 2004332114A
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- nickel
- cmsx
- superalloy
- base superalloy
- single crystal
- Prior art date
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- 229910000601 superalloy Inorganic materials 0.000 title claims abstract description 83
- 239000013078 crystal Substances 0.000 title claims abstract description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title description 45
- 229910052759 nickel Inorganic materials 0.000 title description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 229910052796 boron Inorganic materials 0.000 claims abstract description 9
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 9
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 9
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 9
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 8
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 2
- 230000003749 cleanliness Effects 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 22
- 229910001011 CMSX-4 Inorganic materials 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 16
- 238000005266 casting Methods 0.000 description 14
- 208000013201 Stress fracture Diseases 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005495 investment casting Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
Images
Classifications
-
- 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
- C22C19/057—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being less 10%
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0466—Nickel
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/131—Molybdenum
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/132—Chromium
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/133—Titanium
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/172—Copper alloys
- F05D2300/1723—Nickel-Copper alloy, e.g. Monel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
【解決手段】単結晶ニッケル基超合金であって、重量%にて、本質的に、Cr:約6.4%〜約6.8%、Co:約9.3%〜約10.0%、Ta:約6.7%〜約8.5%、Al:約5.45%〜約5.75%、W:約6.2%〜約6.6%、Mo:約0.5%〜約0.7%、Ti:約0.8%〜約1.2%、Re:約2.8%〜約3.2%、Hf:約0.12%以下、C:約0.01%〜約0.08%、B:約0.10%以下、残部Ni及び不可避の不純物から成る。この超合金は、改善された合金清浄度及び鋳造性を具え、改善された高温機械的性質(例えば応力破壊寿命)を具えている。
【選択図】 図3
Description
本発明は、Ni基超合金及び該超合金から作られた単結晶エアフォイル鋳造品のような単結晶鋳造品に関する。
超合金は、ガスタービンエンジン産業において、例えば、高温及び高応力に曝されるブレードやベーンなどのタービンエアフォイルの如き重要部品の鋳造材料として、広く使用されている。そのような重要部品の鋳造は、広く知られた指向性凝固(Directional Solidification; DS)技術を用いて行われ、単結晶ミクロ組織又は柱状結晶粒のミクロ組織の形成により、1又は2以上の方向特性が最適化される。
本発明は、重量%にて、本質的に、Cr:約6.4%〜約6.8%、Co:約9.3%〜約10.0%、Ta:約6.7%〜約8.5%、Al:約5.45%〜約5.75%、W:約6.2%〜約6.6%、Mo:約0.5%〜約0.7%、Ti:約0.8%〜約1.2%、Re:約2.8%〜約3.2%、Hf:約0.12%以下、C:約0.01%〜約0.08%、B:約0.10%以下、残部Ni及び不可避の不純物から成るNi基超合金を提供するものである。
本発明は、ガスタービンエンジンのブレードやベーンなどの単結晶エアフォイルのように、高温及び高応力環境に曝される単結晶組織のガスタービンエンジン部品を製造するための指向性凝固プロセスに有用なニッケル基超合金を提供するものであるが、本発明は、そのような部品用途に限定されるものではない。
機械的性質試験に用いる他の単結晶試験棒を、本発明の他の実施例である超合金CMSX−4 M2から鋳造した。この超合金の組成は、重量%にて、Cr:約6.6%、Co:約9.6%、Ta:約6.8%、Al:約5.6%、W:約6.4%、Mo:約0.6%、Ti:約1.0%、Re:約3.0%、Hf:約0.10%、C:約0.02%、B:約0.005%、残部Ni及び不可避の不純物である。
単結晶試験棒の作製は、合金融点より350OF高い温度のCMSX−4 M1超合金及びCMSX−4 M2超合金を、2770OFに予熱したシェルモールドの中へ鋳込むことによって行なった。これらの超合金を、公知の指向性凝固引抜き法と、シェルモールドの中のピッグテール結晶セレクターを用いて、単結晶試験棒として凝固させた。単結晶鋳造品を作るための指向性凝固プロセスは、米国特許第3700023号、第3763926号及び4190094号に記載されている。
図1及び2を参照すると、応力破壊抵抗性に関しては、本発明例のCMSX−M1及びCMSX−M2ニッケル基超合金は、試験応力及び試験温度(例えば、図3に示すように791℃、891℃、991℃及び1091℃)において、比較例のニッケル基超合金と同等以上であることを示している。
Claims (9)
- 重量%にて、本質的に、Cr:約6.4%〜約6.8%、Co:約9.3%〜約10.0%、Ta:約6.7%〜約8.5%、Al:約5.45%〜約5.75%、W:約6.2%〜約6.6%、Mo:約0.5%〜約0.7%、Ti:約0.8%〜約1.2%、Re:約2.8%〜約3.2%、Hf:約0.12%以下、C:約0.01%〜約0.08%、B:約0.10%以下、残部Ni及び不可避の不純物から成るニッケル基超合金。
- C含有量は、重量率にて、超合金の約0.02%〜約0.04%である請求項1に記載の超合金。
- 重量%にて、本質的に、Cr:約6.4%〜約6.8%、Co:約9.3%〜約10.0%、Ta:約6.8%〜約8.5%、Al:約5.45%〜約5.75%、W:約6.2%〜約6.6%、Mo:約0.5%〜約0.7%、Ti:約0.8%〜約1.2%、Re:約2.8%〜約3.2%、Hf:約0.12%以下、C:約0.01%〜約0.08%、B:約0.10%以下、残部Ni及び不可避の不純物から成るニッケル基超合金。
- C含有量は、重量率にて、超合金の約0.02%〜約0.04%である請求項3に記載の超合金。
- 重量%にて、本質的に、Cr:約6.4%〜約6.8%、Co:約9.3%〜約10.0%、Ta:約7.0%〜約8.5%、Al:約5.45%〜約5.75%、W:約6.2%〜約6.6%、Mo:約0.5%〜約0.7%、Ti:約0.8%〜約1.2%、Re:約2.8%〜約3.2%、Hf:約0.12%以下、C:約0.01%〜約0.08%、B:約0.10%以下、残部Ni及び不可避の不純物から成るニッケル基超合金。
- C含有量は、重量率にて、超合金の約0.02%〜約0.04%である請求項5に記載の超合金。
- イットリウム、セリウム及びランタンの少なくとも1種を約0.01重量%以下含んでいる請求項1乃至請求項6の何れかに記載の超合金。
- 請求項1乃至請求項6の何れかに記載の超合金からなるタービンエアフォイル。
- 単結晶鋳造エアフォイルである請求項8に記載のタービンエアフォイル。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/424,589 US8241560B2 (en) | 2003-04-28 | 2003-04-28 | Nickel base superalloy and single crystal castings |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004332114A true JP2004332114A (ja) | 2004-11-25 |
JP4607490B2 JP4607490B2 (ja) | 2011-01-05 |
Family
ID=32393314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004133206A Expired - Fee Related JP4607490B2 (ja) | 2003-04-28 | 2004-04-28 | ニッケル基超合金及び単結晶鋳造品 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8241560B2 (ja) |
JP (1) | JP4607490B2 (ja) |
DE (1) | DE102004019837A1 (ja) |
FR (1) | FR2854165B1 (ja) |
GB (1) | GB2401113B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070051623A1 (en) * | 2005-09-07 | 2007-03-08 | Howmet Corporation | Method of making sputtering target and target |
WO2013006608A1 (en) | 2011-07-05 | 2013-01-10 | Novan, Inc. | Topical compositions |
US8858876B2 (en) * | 2012-10-31 | 2014-10-14 | General Electric Company | Nickel-based superalloy and articles |
US20170080526A1 (en) * | 2015-09-21 | 2017-03-23 | Siemens Energy, Inc. | Additive manufacturing using cast strip superalloy material |
FR3091709B1 (fr) * | 2019-01-16 | 2021-01-22 | Safran | Superalliage à base de nickel à tenue mécanique élevée à haute température |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000312964A (ja) * | 1999-03-26 | 2000-11-14 | Howmet Res Corp | 単結晶超合金製品鋳造物の鋳造方法 |
JP2001521099A (ja) * | 1997-10-27 | 2001-11-06 | シーメンス ウエスチングハウス パワー コーポレイション | 多数の単結晶スーパーアロイ鋳物セグメントから製造したタービン翼 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3763926A (en) | 1971-09-15 | 1973-10-09 | United Aircraft Corp | Apparatus for casting of directionally solidified articles |
US4190094A (en) | 1978-10-25 | 1980-02-26 | United Technologies Corporation | Rate controlled directional solidification method |
US4643782A (en) * | 1984-03-19 | 1987-02-17 | Cannon Muskegon Corporation | Single crystal alloy technology |
US4719080A (en) | 1985-06-10 | 1988-01-12 | United Technologies Corporation | Advanced high strength single crystal superalloy compositions |
US5100484A (en) * | 1985-10-15 | 1992-03-31 | General Electric Company | Heat treatment for nickel-base superalloys |
US6074602A (en) | 1985-10-15 | 2000-06-13 | General Electric Company | Property-balanced nickel-base superalloys for producing single crystal articles |
WO1993024683A1 (en) * | 1992-05-28 | 1993-12-09 | United Technologies Corporation | Oxidation resistant single crystal superalloy castings |
US5549765A (en) | 1993-03-18 | 1996-08-27 | Howmet Corporation | Clean single crystal nickel base superalloy |
DE69535574T2 (de) * | 1995-09-18 | 2008-05-15 | Howmet Corp., Greenwich | Hochreine, enkristalline Superlegierung auf Nickelbasis |
EP0771860B1 (en) * | 1995-11-02 | 2002-01-09 | Seiko Epson Corporation | Ink composition excellent in reproduction of black color and ink jet recording method using the same |
DE19624055A1 (de) * | 1996-06-17 | 1997-12-18 | Abb Research Ltd | Nickel-Basis-Superlegierung |
DE19624056A1 (de) | 1996-06-17 | 1997-12-18 | Abb Research Ltd | Nickel-Basis-Superlegierung |
DE59904846D1 (de) * | 1999-05-20 | 2003-05-08 | Alstom Switzerland Ltd | Nickel-Basis-Superlegierung |
US6652982B2 (en) * | 2001-08-31 | 2003-11-25 | General Electric Company | Fabrication of an article having a protective coating with a flat protective-coating surface and a low sulfur content |
-
2003
- 2003-04-28 US US10/424,589 patent/US8241560B2/en not_active Expired - Fee Related
-
2004
- 2004-04-23 DE DE102004019837A patent/DE102004019837A1/de not_active Withdrawn
- 2004-04-23 GB GB0409101A patent/GB2401113B/en not_active Expired - Fee Related
- 2004-04-26 FR FR0404395A patent/FR2854165B1/fr not_active Expired - Fee Related
- 2004-04-28 JP JP2004133206A patent/JP4607490B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001521099A (ja) * | 1997-10-27 | 2001-11-06 | シーメンス ウエスチングハウス パワー コーポレイション | 多数の単結晶スーパーアロイ鋳物セグメントから製造したタービン翼 |
JP2000312964A (ja) * | 1999-03-26 | 2000-11-14 | Howmet Res Corp | 単結晶超合金製品鋳造物の鋳造方法 |
Also Published As
Publication number | Publication date |
---|---|
GB2401113B (en) | 2005-11-23 |
FR2854165B1 (fr) | 2007-06-01 |
JP4607490B2 (ja) | 2011-01-05 |
DE102004019837A1 (de) | 2004-11-18 |
FR2854165A1 (fr) | 2004-10-29 |
US8241560B2 (en) | 2012-08-14 |
GB0409101D0 (en) | 2004-05-26 |
GB2401113A (en) | 2004-11-03 |
US20040213693A1 (en) | 2004-10-28 |
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