JP2005179779A - セラミックアブレイダブルを有するフロー装置 - Google Patents
セラミックアブレイダブルを有するフロー装置 Download PDFInfo
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- JP2005179779A JP2005179779A JP2004363864A JP2004363864A JP2005179779A JP 2005179779 A JP2005179779 A JP 2005179779A JP 2004363864 A JP2004363864 A JP 2004363864A JP 2004363864 A JP2004363864 A JP 2004363864A JP 2005179779 A JP2005179779 A JP 2005179779A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 10
- 239000007771 core particle Substances 0.000 claims abstract description 47
- 239000002245 particle Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 21
- 239000002243 precursor Substances 0.000 claims abstract description 20
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 10
- 238000011065 in-situ storage Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000002346 layers by function Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 229910052596 spinel Inorganic materials 0.000 claims description 12
- 239000011029 spinel Substances 0.000 claims description 12
- 239000010419 fine particle Substances 0.000 claims description 11
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 238000010285 flame spraying Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 239000010431 corundum Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 238000007750 plasma spraying Methods 0.000 claims description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 235000012054 meals Nutrition 0.000 claims description 2
- 239000011238 particulate composite Substances 0.000 claims description 2
- 238000000053 physical method Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
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- 239000007921 spray Substances 0.000 description 5
- 239000012720 thermal barrier coating Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- KGNDCEVUMONOKF-UGPLYTSKSA-N benzyl n-[(2r)-1-[(2s,4r)-2-[[(2s)-6-amino-1-(1,3-benzoxazol-2-yl)-1,1-dihydroxyhexan-2-yl]carbamoyl]-4-[(4-methylphenyl)methoxy]pyrrolidin-1-yl]-1-oxo-4-phenylbutan-2-yl]carbamate Chemical compound C1=CC(C)=CC=C1CO[C@H]1CN(C(=O)[C@@H](CCC=2C=CC=CC=2)NC(=O)OCC=2C=CC=CC=2)[C@H](C(=O)N[C@@H](CCCCN)C(O)(O)C=2OC3=CC=CC=C3N=2)C1 KGNDCEVUMONOKF-UGPLYTSKSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229940125833 compound 23 Drugs 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- JUVIOZPCNVVQFO-HBGVWJBISA-N rotenone Chemical compound O([C@H](CC1=C2O3)C(C)=C)C1=CC=C2C(=O)[C@@H]1[C@H]3COC2=C1C=C(OC)C(OC)=C2 JUVIOZPCNVVQFO-HBGVWJBISA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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Abstract
【解決手段】粒子複合材料、即ち、表面(20)に機能層(22)を有するセラミック材料の顆粒状芯粒子(2)を含有する所謂複合材料(1)からなるアブレイダブル(10)を有するフロー装置であって、これらの層が高い操作温度で安定な該複合材料の中間相を形成し、該中間相が該粒子表面(20)上に少なくとも一部は先駆物質(22′)と該顆粒状芯粒子の材料(21)との化学反応によりその場で生成され、多孔質な複合材料に配置された該顆粒状芯粒子間に該中間相による結合(23)が形成され、これらの結合がアブレイダブルの破壊特性を有することを特徴とする前記フロー装置。
【選択図】なし
Description
a) 先駆物質22′の微細粒子が分散している懸濁液又はスリップの形状の微粒化可能な又は噴霧可能な混合物の製造、
b) 前記混合物の塗布により顆粒状芯粒子2を被覆し、その後該粒子2を乾燥すること、
c) 先駆物質22′及び顆粒状芯粒子21の材料から該中間相が該表面にその場で形成される温度で被覆顆粒状芯粒子2をか焼すること、(そして更に該懸濁液の補助物質を熱的に除去すること、)そして
d) 該アブレイダブルの溶射時及び(又は)後に焼結が生ずるように、スピネルの製造にNiOを使用する場合は特に1200〜1500℃の温度で、か焼顆粒状芯粒子2を焼結すること。
d′) 該か焼粒子をAl2O3微細粉末と混合し、該バッチを圧縮により部分的に固化して圧粉体にすること、
e) 該スピネルの製造にNiOを使用する場合は特に1200〜1500℃の温度で、該圧粉体を焼結すること、そして
f) 溶射法に使用出来る顆粒状スプレー粉末を粉砕により生成するように、該焼結生成物に新形態をとらせて最終生成物にすること。
a) 該中間相の先駆物質22′を酸化された形状で形成する金属皮膜を電気化学的、化学的、又は物理的方法(化学蒸着(CVD)又は物理的気相成長法(PVD))により塗布して顆粒状芯粒子2を被覆すること、
b) 該皮膜の金属を酸化して先駆物質22′を形成すること、その後昇温時の処理により少なくとも一部該中間相を生成することが出来る、
c) 該アブレイダブルの溶射時及び(又は)後に焼結が生ずるように、該スピネルの製造にNiOを使用する場合は特に1200〜1500℃の温度で、被覆顆粒状芯粒子2を焼結すること。
2 顆粒状芯粒子
2′ 顆粒状芯粒子
3 非被覆粒子
4 孔
5 羽根先端
6 矢印
10 アブレイダブル
20 粒子表面
21 セラミック材料
22 機能層
22′ 先駆物質
23 結合
100 アブレイダブル表面
Claims (10)
- 粒子複合材料、即ち、表面(20)に機能層(22)を有するセラミック材料の顆粒状芯粒子(2)を含有する所謂複合材料(1)からなるアブレイダブル(10)を有するフロー装置であって、これらの層が高い操作温度で安定な該複合材料の中間相を形成し、該中間相が該粒子表面(20)上に少なくとも一部は先駆物質(22′)と該顆粒状芯粒子の材料(21)との化学反応によりその場で生成され、多孔質な複合材料に配置された該顆粒状芯粒子間に該中間相による結合(23)が形成され、これらの結合がアブレイダブルの破壊特性を有することを特徴とする前記フロー装置。
- 該顆粒状芯粒子(2)が少なくともその表面(20)における層中に酸化アルミニウムAl2O3を50容量%より多い主要成分として含み、該先駆物質(22′)が金属Me(Me=Ni,Mg,Mn又はLa)の酸化物を含み、そして該中間相が少なくとも一部は、スピネルMeAl2O4が反応生成物として創り出される前記反応によりAl2O3及び該金属酸化物から生成される、請求項1に従うフロー装置。
- 該顆粒状芯粒子(2)として例えば合成コランダムからの研磨粒子が使用され、該研磨粒子が50μmより大きいが200μmより小さく、該顆粒状芯粒子の直径が好ましくは約90〜130μmの範囲の値を有する、請求項1又は請求項2に従うフロー装置。
- 該顆粒状芯粒子(2)が該複合材料(1)の形成前は先駆物質(22′)及びセラミック材料(21)の混合物で被覆されており、該先駆物質及び該セラミック材料が1μmよりも小さな直径を有する微細粒子からなる、請求項1〜3の任意の1項に従うフロー装置。
- 該被覆顆粒状芯粒子(2)又は該複合材料(1)からなる顆粒が溶射法により、大気圧プラズマ溶射により、又は好ましくはフレーム溶射により塗布されている、請求項1〜4の任意の1項に従うフロー装置。
- 回転部の羽根先端(5)が被覆されていないか又は融点が該中間相の融点より少なくとも100K高い被覆を有する、請求項1〜5の任意の1項に従うフロー装置。
- 請求項1〜6の任意の1項に従うフロー装置におけるセラミックアブレイダブル用材料の製造方法であって、以下の工程、即ち
a) 該先駆物質の微細粒子が分散している懸濁液又はスリップの形状の微粒化可能な又は噴霧可能な混合物の製造、
b) 前記混合物の塗布により該顆粒状芯粒子を被覆し、その後該粒子を乾燥すること、
c) 先駆物質及び該顆粒状芯粒子の材料から該中間相が該表面にその場で形成される温度で該被覆顆粒状芯粒子をか焼すること、そして
d) 該アブレイダブルの溶射時及び/又は後に焼結が生ずるように、スピネルの製造にNiOを使用する場合は特に1200〜1500℃の温度で、該か焼顆粒状芯粒子を焼結すること、
を含むことを特徴とする前記製造方法。 - 請求項1〜6の任意の1項に従うフロー装置におけるセラミックアブレイダブル用材料の製造方法であって、以下の工程、即ち
a) 該中間相の先駆物質を酸化された形状で形成する金属皮膜を電気化学的、化学的、又は物理的方法により塗布して該顆粒状芯粒子を被覆すること、
b) 該皮膜の金属を酸化して該先駆物質を形成すること、その後昇温時の処理により少なくとも一部該中間相を生成することが出来る、
c) 該アブレイダブルの溶射時及び/又は後に焼結が生ずるように、該スピネルの製造にNiOを使用する場合は特に1200〜1500℃の温度で、該被覆顆粒状芯粒子を焼結すること、
を含むことを特徴とする前記製造方法。 - 工程a)において、ミル、特に攪拌ボールミルを用いて溶媒、好ましくは水中で該微細粒子を製造し、該微細粒子をこの溶媒に分散しておく、請求項7に従う方法。
- 工程b)において、該顆粒状芯粒子が流動状態で噴霧される、即ち所謂空中被覆方法で被覆される、請求項7又は請求項9に従う方法。
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| JP (1) | JP4820088B2 (ja) |
| AT (1) | ATE457369T1 (ja) |
| CA (1) | CA2488949C (ja) |
| DE (1) | DE502004010739D1 (ja) |
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Cited By (3)
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| JP2008088554A (ja) * | 2006-09-29 | 2008-04-17 | General Electric Co <Ge> | 多孔質摩耗性皮膜及びその設層方法 |
| WO2015021247A1 (en) * | 2013-08-08 | 2015-02-12 | Solar Turbines Incorporated | High porosity abradable coating |
| WO2017134976A1 (ja) * | 2016-02-04 | 2017-08-10 | 三菱重工航空エンジン株式会社 | アブレイダブルコーティングの施工方法及びシュラウド |
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| US8449994B2 (en) * | 2009-06-30 | 2013-05-28 | Honeywell International Inc. | Turbine engine components |
| US9598973B2 (en) | 2012-11-28 | 2017-03-21 | General Electric Company | Seal systems for use in turbomachines and methods of fabricating the same |
| US10132185B2 (en) | 2014-11-07 | 2018-11-20 | Rolls-Royce Corporation | Additive process for an abradable blade track used in a gas turbine engine |
| US10900371B2 (en) | 2017-07-27 | 2021-01-26 | Rolls-Royce North American Technologies, Inc. | Abradable coatings for high-performance systems |
| US10858950B2 (en) | 2017-07-27 | 2020-12-08 | Rolls-Royce North America Technologies, Inc. | Multilayer abradable coatings for high-performance systems |
| JP2019178389A (ja) * | 2018-03-30 | 2019-10-17 | 株式会社フジミインコーポレーテッド | 溶射用スラリー |
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Also Published As
| Publication number | Publication date |
|---|---|
| ATE457369T1 (de) | 2010-02-15 |
| CA2488949A1 (en) | 2005-06-17 |
| US7223067B2 (en) | 2007-05-29 |
| US20050196271A1 (en) | 2005-09-08 |
| CA2488949C (en) | 2013-01-08 |
| ES2340037T3 (es) | 2010-05-28 |
| JP4820088B2 (ja) | 2011-11-24 |
| DE502004010739D1 (de) | 2010-03-25 |
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