JP6083710B2 - 耐熱合金部材の製造方法 - Google Patents
耐熱合金部材の製造方法 Download PDFInfo
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- 229910045601 alloy Inorganic materials 0.000 title claims description 83
- 239000000956 alloy Substances 0.000 title claims description 83
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 73
- 239000002184 metal Substances 0.000 claims description 73
- 238000009792 diffusion process Methods 0.000 claims description 51
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 49
- 239000000758 substrate Substances 0.000 claims description 48
- 230000004888 barrier function Effects 0.000 claims description 46
- 229910052574 oxide ceramic Inorganic materials 0.000 claims description 35
- 239000011224 oxide ceramic Substances 0.000 claims description 35
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 claims description 28
- 239000011651 chromium Substances 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- 229910052759 nickel Inorganic materials 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 229910052804 chromium Inorganic materials 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052727 yttrium Inorganic materials 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 7
- 229910052726 zirconium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052702 rhenium Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 238000001962 electrophoresis Methods 0.000 claims description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 201
- 230000035882 stress Effects 0.000 description 72
- 230000003647 oxidation Effects 0.000 description 46
- 238000007254 oxidation reaction Methods 0.000 description 46
- 230000001681 protective effect Effects 0.000 description 46
- 238000012360 testing method Methods 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 21
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 20
- 238000000576 coating method Methods 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 13
- 239000011247 coating layer Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 238000005336 cracking Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 10
- 230000007423 decrease Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 239000012720 thermal barrier coating Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910000601 superalloy Inorganic materials 0.000 description 7
- 239000000567 combustion gas Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000011812 mixed powder Substances 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 229910003310 Ni-Al Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 229910000990 Ni alloy Inorganic materials 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910018525 Al—Pt Inorganic materials 0.000 description 3
- 229910001011 CMSX-4 Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000943 NiAl Inorganic materials 0.000 description 3
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000005566 electron beam evaporation Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- -1 Co) Inorganic materials 0.000 description 2
- 229910017318 Mo—Ni Inorganic materials 0.000 description 2
- 229910002061 Ni-Cr-Al alloy Inorganic materials 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- 238000005254 chromizing Methods 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 229910000856 hastalloy Inorganic materials 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229910000951 Aluminide Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910001012 TMS-138 Inorganic materials 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000009771 scanning electron microscopy-energy dispersive analysis Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Classifications
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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
- 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
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- 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
-
- 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
- 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
-
- 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
- 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
-
- 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
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
の形成またはTGOの保護性の喪失を招く。
すなわち、上記課題を解決するために、この発明は、
金属基材と、
上記金属基材の表面に順に積層された拡散バリア層、リザバ層および酸化物セラミックスからなる応力緩和層とを有することを特徴とする耐熱合金部材である。
金属基材の表面に拡散バリア層を形成する工程と、
上記拡散バリア層上にリザバ層を形成する工程と、
上記リザバ層上に酸化物セラミックスからなる応力緩和層を形成する工程とを有することを特徴とする耐熱合金部材の製造方法である。
図4は一実施の形態による耐熱合金部材を示す。図1に示すように、この耐熱合金部材においては、金属基材10の表面に順に拡散バリア層40、リザバ層20および応力緩和層50が積層されている。
実施例1について説明する。
Ni基単結晶超合金(CMSX−4)からなる直径12.5mmの丸棒をその中心軸に垂直に切断して厚さ約1.5mmの円板を形成し、これを金属基材10とした。この円板状の金属基材10の表面を220番のSiC耐水研磨紙で研磨した後、アセトン中で超音波洗浄を行って脱脂した。
条件1:温度1100℃での1時間の保持と室温での20分間の保持とを交互に行う。
条件2:温度1200℃での1時間の保持と室温での20分間の保持とを交互に行う。
〈条件1〉
(1)従来のDBCシステム(比較例1)では、サイクル数200回前後で保護的酸化物皮膜(Al2 O3 皮膜)の一部に剥離が生じ、サイクル数の増加とともにより顕著になる。
(2)一方、試験片のYSZからなる応力緩和層50を設けた面(実施例1)では、YSZはAl2 O3 からなる保護的酸化物皮膜30との密着性が良好であり、さらに、加熱および冷却によっても剥離することがない。
(3)サイクル数の増加とともに、YSZからなる応力緩和層50の表面にAlとNiとが観察されるようになり、このAlとNiとはリザバ層20からYSZからなる応力緩和層50中を拡散して表面に到達していると考えられる。
上記の条件1の(1)〜(3)と同様であるが、リザバ層20からの保護的酸化物皮膜30の剥離は、より短時間に開始し、また、 YSZからなる応力緩和層50の表面にAlとNiとがより短時間に観察された。
実施例2について説明する。
実施例2では、Ni/Re(Ni)膜を形成した金属基材10をアルミナ坩堝中に設置し、Cr+Al2 O3 +NH4 Cl混合粉末の中に埋没させた後に行うArガス雰囲気の加熱の条件が800℃で3時間であること、金属基材10をNi−5Cr−15Al合金粉末+Al2 O3 の混合粉末中に埋没させた後に行う真空中での加熱の条件が1300℃で2時間であることを除いて、実施例1と同様にして試験片を形成した。この試験片の、応力緩和層50が形成された面側が実施例2の耐熱合金部材、応力緩和層50が形成されておらず、リザバ層20が露出した他方の面側が比較例2の耐熱合金部材である。
実施例3について説明する。
実施例3では、実施例2と同様の方法で試験片を形成した。この試験片の、応力緩和層50が形成された面側が実施例3の耐熱合金部材、応力緩和層50が形成されておらず、リザバ層20が露出した他方の面側が比較例3の耐熱合金部材である。
比較例4について説明する。
比較例4では、リザバ層20を形成しないこと、応力緩和層50を拡散バリア層40上に直接形成することを除いて、実施例1と同様にして試験片を形成した。この試験片の断面構造を図15に示す。
実施例2、3では、リザバ層20と応力緩和層50との間にAl2 O3 からなる保護的酸化物皮膜30が形成され、図2に示す構造を有することから、応力緩和層50によって、保護的酸化物皮膜30の耐剥離性を改善することができる(サイクル数として2倍以上) 。
20 リザバ層
30 保護的酸化物皮膜
40 拡散バリア層
41 反応層
50 応力緩和層
60 ボンドコート層
70 トップコート層
999…銅めっき層
Claims (6)
- 金属基材の表面にレニウムを含有する合金からなる拡散バリア層を形成する工程と、
上記拡散バリア層上にアルミニウムを含有する合金からなるリザバ層を形成する工程と、
上記リザバ層上に酸化物セラミックスからなる厚さが1μm以上50μm以下の多孔質の応力緩和層を電気泳動法で形成する工程とを有することを特徴とする耐熱合金部材の製造方法。 - 上記応力緩和層の厚さが3μm以上20μm以下であることを特徴とする請求項1記載の耐熱合金部材の製造方法。
- 上記酸化物セラミックスは、上記酸化物セラミックスを構成する金属と異なる少なくとも一種の金属を含有する請求項1または2記載の耐熱合金部材の製造方法。
- 上記少なくとも一種の金属は、ニッケル、アルミニウム、クロム、チタン、ハフニウム、タンタル、タングステン、レニウム、コバルトおよびモリブデンからなる群より選ばれた少なくとも一種の金属である請求項3記載の耐熱合金部材の製造方法。
- 上記酸化物セラミックスが、少なくともジルコニウムとイットリウムと酸素とを含有することを特徴とする請求項1〜4のいずれか一項記載の耐熱合金部材の製造方法。
- 上記酸化物セラミックスがイットリア安定化ジルコニアであることを特徴とする請求項5記載の耐熱合金部材の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011235317 | 2011-10-26 | ||
JP2011235317 | 2011-10-26 | ||
PCT/JP2012/077298 WO2013061945A1 (ja) | 2011-10-26 | 2012-10-23 | 耐熱合金部材およびその製造方法 |
Publications (2)
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