JP2019519676A - 自己修復断熱層およびその製造方法 - Google Patents
自己修復断熱層およびその製造方法 Download PDFInfo
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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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
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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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
Description
本発明の枠内では、断熱層、とりわけジルコニウムを含有する断熱層の自己修復特性が、MoSi2の導入により、断熱層を製造する際にある程度の基本条件を守ることで明らかに改善できることが発見された。
−プラズマガスとの組合せで十分に高い電流の強さを選択したAPSにより、断熱層粒子を溶射する。
−同時に、アルミニウムを含むMoSi2粒子を別に溶射する。その際、溶射距離との組合せで注入距離(l)を選択することにより、断熱層材料はプラズマジェット中で十分に完全溶融するが、供給されるMoSi2粉末は、材料の分解を起こさずに完全溶融または部分溶融するだけであることが保証される。
−MoSi2粉末を断熱層に対して5重量%の最大質量分率、好ましくは0.5〜5重量%の間の質量分率で導入することにより、望ましくない体積膨張が減少する。
本発明を3つの例示的実施形態および幾つかの図を参照しながらさらにより詳しく説明するが、これによって広い保護範囲を限定する意図はない。
比較層(YSZだけ)も本発明による断熱層も、前述のMultiCoat APS設備および3陰極型トーチTriplex Pro 210を用いて製造した。
その際、電流の強さは420Aであった。
溶射距離は120mmに設定した。
注入距離(l)は40mmであった。
メジアン粒径(d50)が33μmのMoSi2粉末を、搬送ガスにより7slpmでプラズマジェットに注入した。
プラズマガスとして46:4slmp(Ar:He)から成る混合物を用いた。
断熱層材料としてYSZを用いた。
接着促進層としてAmdry 365を用いた。
MoSi2の質量分率は、YSZ断熱層に対して3重量%であった。
MoSi2粉末中のAl含有率は12重量%であった。
[1]W. G. Schoof、「Self Healing in Coatings at High Temperatures」、Springer Series in Materials Science、「Self healing Materials」、(2007)、309〜321頁
[2]F. Nozahic、D. Monceau、C. Estournes、「Thermal cycling and reactivity of a MoSi2/ZrO2 composite designed for self−healing thermal barrier coatings」、Materials and Design 94 (2016)、444〜448頁
[3]K. Sonoya、S. Tobe、「Expanding of the fatigue life of thermal barrier coating by mixing MoSi2 to thermal sprayed layer, in Fracture and Strength of Solids, Pts 1 and 2」、W. HwangおよびK.S. Han編、2000、Trans Tech Publications Ltd: Zurich−Uetikon、909〜914頁
[4]Z. Derelioglu、A.L. Carabat、G.M. Song、S. van der Zwaag、W.G. Sloof、「On the use of Balloyed MoSi2 particles as crack healing agents in yttria stabilized zirconia thermal barrier coatings」、Journal of the European Ceramic Society、Volume 35、Issue 16、2015年12月、4507〜4511頁
[5]W. G. Sloof、S. R. Turteltaub、A. L. Carabat、Z. Derelioglu、S. A. Ponnusami、およびG. M. Song、「Crack healing in yttria stabilized zirconia thermal barrier coatings」、Self healing materials − pioneering research in the Netherlands、S. van der Zwaag、E. Brinkman (編者) IOS Press. 2015、the authors and IOS Press. All rights reserved. DOI:10.3233/978−1−61499−514−2−217
Claims (12)
- 断熱層粉末の大気プラズマ溶射(APS)により、基材上に自己修復断熱層を製造する方法において、
−断熱層に、アルミニウムを含むMoSi2粉末が導入され、その際、MoSi2粉末がアルミニウムを2〜15重量%の含有率で含むこと、
−MoSi2粉末が、断熱層に対して0.5〜5重量%の間の質量分率で用いられること、および
−断熱層粉末が、トーチから軸方向に離れた第1の点で注入され、かつMoSi2粉末が、トーチから軸方向にさらに離れた第2の点でプラズマジェットに注入されること、
−その際、第1と第2の点の間に20〜60mmの間の注入距離(l)が設定されること
を特徴とする方法。 - 安定化成分としてのY2O3、MgO、CaO、もしくはCeO2を有する二酸化ジルコニウムを含むか、あるいはAl2O3、TiO2、ムライト、La2Zr2O7、Gd2Zr2O7、またはY−Si−Oを含む断熱層粉末が用いられる、請求項1に記載の方法。
- アルミニウムを3〜12重量%の含有率で有するMoSi2粉末が用いられる、請求項1または2に記載の方法。
- ホウ素を2重量%までの追加の含有率で有するMoSi2粉末が用いられる、請求項1〜3のいずれか一つに記載の方法。
- メジアン粒径d50が5μm〜60μmの間、好ましくはメジアン粒径d50が10μm〜50μmの間のMoSi2粉末が用いられる、請求項1〜4のいずれか一つに記載の方法。
- 第1と第2の点の間に30〜50mmの間の注入距離(l)が設定される、請求項1〜5のいずれか一つに記載の方法。
- プラズマガスとして(Ar:He)が使用され、かつ400A超の電流の強さが設定される、請求項1〜6のいずれか一つに記載の方法。
- 断熱層が、最初に基材上に堆積させる少なくとも1つの接着促進層上に施される、請求項1〜7のいずれか一つに記載の方法。
- マトリックスとしての断熱層材料、
ならびに断熱層に対して0.5〜5重量%の質量分率のMoSi2粉末、
および追加として、MoSi2の質量分率に対して2〜12重量%の質量分率のアルミニウム
を含む、請求項1〜8のいずれか一つに基づいて製造可能な断熱層。 - 5〜10重量%のアルミニウム含有率を有するMoSi2を含む、請求項9に記載の断熱層。
- ホウ素を2重量%までの追加の含有率で有するMoSi2を含む、請求項9または10に記載の断熱層。
- 導入されるMoSi2が、5μm〜60μmの間のメジアン粒径d50、好ましくは10μm〜50μmの間のメジアン粒径を有する、請求項9〜11のいずれか一つに記載の断熱層。
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DE102016007231.8 | 2016-06-15 | ||
DE102016007231.8A DE102016007231A1 (de) | 2016-06-15 | 2016-06-15 | Selbst heilende Wärmedämmschichten sowie Verfahren zur Herstellung derselben |
PCT/DE2017/000140 WO2017215687A1 (de) | 2016-06-15 | 2017-05-23 | Selbst heilende wärmedämmschichten sowie verfahren zur herstellung derselben |
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EP (1) | EP3472366B1 (ja) |
JP (1) | JP7108547B2 (ja) |
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NL2018995B1 (en) | 2017-05-30 | 2018-12-07 | Univ Delft Tech | Self-healing particles for high temperature ceramics |
US11692274B2 (en) | 2019-12-05 | 2023-07-04 | Raytheon Technologies Corporation | Environmental barrier coating with oxygen-scavenging particles having barrier shell |
CN111074190B (zh) * | 2019-12-25 | 2021-12-21 | 江苏理工学院 | 一种钢材表面MoSi2复合涂层及其制备方法 |
CN113755784B (zh) * | 2021-09-07 | 2024-03-26 | 浙江工业大学 | 一种基于超声振动辅助激光改性自愈合热障涂层的制备方法 |
CN113996783B (zh) * | 2021-10-09 | 2023-07-21 | 中国航发北京航空材料研究院 | 裂纹愈合热障涂层粉体材料的制备方法 |
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JPS56156754A (en) * | 1980-05-06 | 1981-12-03 | Mitsubishi Heavy Ind Ltd | Composite material |
US6106903A (en) * | 1999-03-01 | 2000-08-22 | Plasma Technology, Inc. | Thermal spray forming of molybdenum disilicide-silicon carbide composite material |
CN101768380A (zh) * | 2009-12-30 | 2010-07-07 | 中国科学院上海硅酸盐研究所 | 成分梯度变化的热防护涂层及制备方法 |
JP2014122375A (ja) * | 2012-12-20 | 2014-07-03 | Tocalo Co Ltd | 放射線遮蔽コーティング部材 |
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EP1291449B1 (de) * | 2001-08-03 | 2014-12-03 | Alstom Technology Ltd | Beschichtungsverfahren und beschichtetes reibungsbehaftetes Grundmaterial |
CN103553597B (zh) * | 2013-10-30 | 2014-08-27 | 西安博科新材料科技有限责任公司 | 一种自愈合ysz陶瓷热障涂层材料及其制备方法 |
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Patent Citations (4)
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JPS56156754A (en) * | 1980-05-06 | 1981-12-03 | Mitsubishi Heavy Ind Ltd | Composite material |
US6106903A (en) * | 1999-03-01 | 2000-08-22 | Plasma Technology, Inc. | Thermal spray forming of molybdenum disilicide-silicon carbide composite material |
CN101768380A (zh) * | 2009-12-30 | 2010-07-07 | 中国科学院上海硅酸盐研究所 | 成分梯度变化的热防护涂层及制备方法 |
JP2014122375A (ja) * | 2012-12-20 | 2014-07-03 | Tocalo Co Ltd | 放射線遮蔽コーティング部材 |
Non-Patent Citations (3)
Title |
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CARABAT ALEXANDRA L. ET AL.: "Creating a Protective Shell for Reactive MoSi2 Particles in High-Temperature Ceramics", JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 98, no. 8, JPN6021033001, August 2015 (2015-08-01), US, pages 2609 - 2616, ISSN: 0004703765 * |
K.SONOYA, M.NAKAMURA AND M.SEKINE: ""Development of Thermal Bariier Coating System with an intermediate layer containing MoSi2 with Supe", 2014 IEEE 8TH INTERNATIONAL POWER ENGINEERING AND OPTIMIZATION CONFERENCE (PEOCO2014), JPN6020051176, 15 May 2014 (2014-05-15), US, pages 13 - 18, ISSN: 0004421261 * |
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JP7108547B2 (ja) | 2022-07-28 |
EP3472366A1 (de) | 2019-04-24 |
CN109415795A (zh) | 2019-03-01 |
WO2017215687A1 (de) | 2017-12-21 |
DE102016007231A1 (de) | 2017-12-21 |
US20190292645A1 (en) | 2019-09-26 |
EP3472366B1 (de) | 2020-10-14 |
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