JP5117372B2 - 断熱材並びにその製法及び用途 - Google Patents
断熱材並びにその製法及び用途 Download PDFInfo
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Description
M2O3−xMeO−yAl2O3
[式中、MがLa又はNdであり、Meがアルカリ土類金属、遷移金属又は希土類金属、特にMg、Zn、Co、Mn、Fe、Ni、Crであり、係数x及びyの有利な範囲は0.2≦x≦3.3、そして10.0≦y≦13である。]
理想的な組成物としては,磁気亜鉛酸塩構造状態で結晶化しそして約7.1モル%のLa2O3、約14.3モル%のMgO及び約78.6モル%のAl2O3を有するLaMgAl11O19が知られている。
M12O3−xLi2O−yM22O3
に従う組成を有している。その際に、M1はランタン、ネオディウム又はガドリニウム又はそれらの混合物を意味しそしてM2はアルミニウム、ガリウム又は鉄及びそれらの混合物を意味する。この場合、この材料は主としてM2−酸化物よりなる。このM2−酸化物は規則的な間隔でM12O3及び酸化リチウムよりなる単分子層を有している。酸化アルミニウムの代わりに特にガリウム又は鉄の酸化物もM22O3として使用してもよい。酸化ランタンも同様に希土類金属酸化物、特にネオジウム又はガドリニウムに交換することもできる。
M12O3−xLi2O−yM22O3
に従う組成を有する化合物に関するものであり、その多相のうち1種類は必ず、Liが微量混入されている磁気亜鉛酸塩―構造中に存在するものである。このことは、ここでは二価のイオン、例えばMg2+、Mn2+、Co2+、Zn2+等が微量混入される代わりに一価のイオンの微量混入が行われることを意味する。
1. 金属製羽根に対して一番下側の位置の接合用被覆(100〜150μm);
2. YSZ(150〜200μm);
3. 一番上側の位置のLaLiAl11O18.5(150μm).
プラズマ溶射技術によってこの様に塗布された単分子層のLaLiAl11O18.5の顕微鏡写真を図1に示す。
a, b = 556.33 ± 0.55 pm, c = 2193.07 ± 2,86 pm (La含有);
a, b = 541,21 ± 0.85 pm, c = 2190.01 ± 3,46 pm (Nd含有);
a, b = 514,51 ± 0.76 pm, c = 2193.07 ± 3,24 pm (Gd含有);
α,β = 90° 及び γ = 120°
第2図はLaLiAl11O18.5のX線回折図である。矢印は僅かな不純物のLaAlO3を表している。
Claims (12)
- 化学量論的に0.1〜10モル%のM12O3、0.1〜10モル%のLi2O並びに残量としてのM22O3を不可避的に混入してくる不純物と共に含有する第一相を包含し、その際にM1はランタン、ネオディウム、ガドリニウム又はそれらの混合物なる元素から選択されそしてM2はアルミニウム、ガリウム、鉄又はそれらの混合物なる元素から選択され、そして該第一相が磁気亜鉛酸塩構造中に存在している、断熱材。
- M1M2O3、LiM22O3、LiM25O8又はLi2Oなる組成を有する少なくとも1種類の別の相を有する、請求項1に記載の断熱材。
- 化学量論的に1〜10モル%のM12O3、0.5〜10モル%のLi2O及び残量としてのM22O3を不可避的に混入してくる不純物と共に含有する第一相を包含する、請求項1又は2に記載の断熱材。
- 化学量論的に3〜8モル%のM12O3、0.5〜8モル%のLi2O及び残量としてのM22O3を不可避的に混入してくる不純物と共に含有する第一相を包含する、請求項1〜3のいずれか一つに記載の断熱材。
- 第一相がM12O3としてLa2O3を含有する請求項1〜4のいずれか一つに記載の断熱材。
- 第一相が3〜8モル%のLa2O3、0.5〜7.8モル%のLi2O及び残量としてのAl2O3、Ga2O3又はFe2O3を含有する、請求項1〜5のいずれか一つに記載の断熱材。
- 第一相がLaLiAl11O18.5又はLaLi0.5Al11.5O19の組成を有する、請求項1〜6のいずれか一つに記載の断熱材。
- 第一相が少なくとも80重量%の割合で断熱材中に存在している、請求項1〜7のいずれか一つに記載の断熱材。
- 第一相が少なくとも90重量%の割合で断熱材中に存在している、請求項8に記載の断熱材。
- 断熱層での請求項1〜9のいずれか一つに記載の断熱材の用途。
- YSZと一緒の、断熱層での請求項10に記載の断熱材の用途。
- 磁気亜鉛酸塩構造中に存在している第一相を有する、請求項1〜9のいずれか一つに記載の断熱材を製造する方法において、
− 第一相のために化学量論量のM12O3,Li2O又はLi2 CO 3 並びにM22O3を溶剤中で混合しそして細かく粉砕し、その際にM1はランタン、ネオディウム、ガドリニウム又はそれらの混合物なる元素から選択されそしてM2はアルミニウム、ガリウム、鉄又はそれらの混合物なる元素から選択され、
− この混合物を乾燥しそして少なくとも1450℃の温度で反応させ、
− その際に固体反応で磁気亜鉛酸塩構造中に少なくとも一つの相を有する断熱材を生じる
ことを特徴とする、上記方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005011225.0 | 2005-03-11 | ||
DE102005011225A DE102005011225B4 (de) | 2005-03-11 | 2005-03-11 | Wärmedämmstoff sowie Herstellungsverfahren und Verwendung |
PCT/DE2006/000240 WO2006097061A1 (de) | 2005-03-11 | 2006-02-11 | Wärmedämmstoff sowie herstellungsverfahren und verwendung |
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JP2008532896A JP2008532896A (ja) | 2008-08-21 |
JP2008532896A5 JP2008532896A5 (ja) | 2009-03-05 |
JP5117372B2 true JP5117372B2 (ja) | 2013-01-16 |
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Country | Link |
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US (1) | US7618911B2 (ja) |
EP (1) | EP1859195B1 (ja) |
JP (1) | JP5117372B2 (ja) |
CN (1) | CN101137864B (ja) |
AT (1) | ATE450748T1 (ja) |
DE (2) | DE102005011225B4 (ja) |
WO (1) | WO2006097061A1 (ja) |
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DE102005048323A1 (de) * | 2005-10-08 | 2007-04-12 | Mtu Aero Engines Gmbh | Wärmedämmschicht |
DE102007034090A1 (de) | 2007-07-21 | 2009-01-22 | Forschungszentrum Jülich GmbH | Wärmedämmstoff, sowie Verwendung desselben |
US8945729B1 (en) * | 2010-09-22 | 2015-02-03 | Skyworks Solutions, Inc. | Thermal barrier coating material with RF absorption capabilities at elevated temperatures |
US9988309B2 (en) * | 2012-05-20 | 2018-06-05 | Skyworks Solutions, Inc. | Thermal barrier coating material with enhanced toughness |
US20150247245A1 (en) * | 2013-09-30 | 2015-09-03 | Honeywell International Inc. | Protective coating systems for gas turbine engine applications and methods for fabricating the same |
JP6478894B2 (ja) * | 2014-10-22 | 2019-03-06 | クアーズテック株式会社 | 多孔質セラミックス |
US10513463B2 (en) | 2016-09-27 | 2019-12-24 | Skyworks Solutions, Inc. | Enhanced fracture toughness thermal barrier coating material |
CN111236455B (zh) * | 2020-03-17 | 2024-07-02 | 盐城师范学院 | 一种磁流体外墙结构 |
CN115594503B (zh) * | 2022-12-14 | 2023-04-14 | 中国人民解放军国防科技大学 | 一种钙和铁共掺杂的NdAlO3陶瓷材料及其制备方法和应用 |
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JPS544914A (en) * | 1977-06-14 | 1979-01-16 | Asahi Glass Co Ltd | Highhdense lowwexpandable sintered body |
US4249108A (en) * | 1979-11-30 | 1981-02-03 | Gte Products Corporation | LaMg Aluminate phosphors activated by europium and lamps incorporating same |
JPH0234518A (ja) * | 1988-07-26 | 1990-02-05 | Ube Ind Ltd | マグネトプランバイト型フェライト磁性粉の製造方法 |
DE69309801T2 (de) * | 1992-07-22 | 1997-10-30 | Canon Kk | Trägerteilchen für die Elektrophotographie, Zweikomponententypentwickler und Bildherstellungsverfahren |
JPH0799102A (ja) * | 1993-05-07 | 1995-04-11 | Ngk Spark Plug Co Ltd | サーミスタ用磁器組成物およびサーミスタ素子 |
JPH0829975B2 (ja) * | 1993-12-24 | 1996-03-27 | 工業技術院長 | アルミナ基セラミックス焼結体 |
JP3377676B2 (ja) * | 1996-04-05 | 2003-02-17 | ダイハツ工業株式会社 | 排ガス浄化用触媒 |
DE19807163C1 (de) * | 1998-02-20 | 1999-10-28 | Rainer Gadow | Wärmedämmaterial und Verfahren zum Herstellen eines solchen |
DE19817163C1 (de) | 1998-04-17 | 2000-03-09 | Skeppner Hans | Seitenpaneelgarnitur für einen Schaltschrank |
FR2779423B1 (fr) * | 1998-06-08 | 2000-09-08 | Ceca Sa | Procede de preparation d'aluminate de lithium lamellaire, son utilisation comme stabilisant au pvc |
JP2001089246A (ja) * | 1999-09-16 | 2001-04-03 | Ngk Spark Plug Co Ltd | セラミック焼結体の製造方法 |
US6802878B1 (en) * | 2003-04-17 | 2004-10-12 | 3M Innovative Properties Company | Abrasive particles, abrasive articles, and methods of making and using the same |
KR100521305B1 (ko) * | 2003-05-21 | 2005-10-14 | 주식회사 태평양금속 | 육방정형 페라이트 자석분말, 이방성 소결자석 및 그 제조방법 |
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2005
- 2005-03-11 DE DE102005011225A patent/DE102005011225B4/de not_active Expired - Fee Related
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- 2006-02-11 WO PCT/DE2006/000240 patent/WO2006097061A1/de active Search and Examination
- 2006-02-11 JP JP2008500034A patent/JP5117372B2/ja not_active Expired - Fee Related
- 2006-02-11 AT AT06705958T patent/ATE450748T1/de active
- 2006-02-11 DE DE502006005511T patent/DE502006005511D1/de active Active
- 2006-02-11 EP EP06705958A patent/EP1859195B1/de not_active Not-in-force
- 2006-02-11 CN CN200680007846.1A patent/CN101137864B/zh not_active Expired - Fee Related
- 2006-02-11 US US11/886,308 patent/US7618911B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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US20080277618A1 (en) | 2008-11-13 |
WO2006097061A1 (de) | 2006-09-21 |
CN101137864B (zh) | 2013-05-01 |
DE502006005511D1 (de) | 2010-01-14 |
EP1859195A1 (de) | 2007-11-28 |
EP1859195B1 (de) | 2009-12-02 |
DE102005011225A1 (de) | 2006-09-14 |
CN101137864A (zh) | 2008-03-05 |
JP2008532896A (ja) | 2008-08-21 |
US7618911B2 (en) | 2009-11-17 |
ATE450748T1 (de) | 2009-12-15 |
DE102005011225B4 (de) | 2007-06-06 |
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