CALCIUM-MAGNESIUM ALUMINO-SILICATES (CMAS) REACTION MECHANISMS AND RESISTANCE OF ADVANCED TURBINE ENVIRONMENTAL BARRIER COATINGS FOR SIC/SIC CERAMIC MATRIX COMPOSITES

机译：SIC / SIC陶瓷基复合材料中先进的涡轮机环境屏障涂料的钙镁铝硅酸盐（CMAS）反应机理和耐性

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Environmental barrier coatings (EBCs) and SiC/SiC ceramic matrix composites (CMCs) systems will play a crucial role in future turbine engines for hot-section component applications because of their ability to significantly increase engine operating temperatures, reduce engine weight and cooling requirements. The development of prime-reliant environmental barrier coatings is an essential requirement to enable the applications of the 2700-3000℉ EBC - CMC systems. This presentation primarily focuses on the reaction mechanisms of advanced NASA environmental barrier coating systems, when in contact with Calcium-Magnesium Alumino-Silicates (CMAS) at high temperatures. Advanced oxide-silicate defect cluster environmental barrier coatings are being designed for ultimate balanced controls of the EBC temperature capability and CMAS reactivity, thus improving the CMAS resistance. Further CMAS mitigation strategies are also discussed.

机译：环保屏障涂层（EBC）和SiC / SiC陶瓷基复合材料（CMC）系统将在未来的热截面部件涡轮发动机中发挥关键作用，因为它们能够显着提高发动机工作温度，降低发动机重量和冷却要求。开发能够应用底漆的环境屏障涂料是实现2700-3000℉EBC-CMC系统应用的基本要求。本演讲主要关注先进的NASA环境屏障涂料系统在高温下与钙镁铝硅酸盐（CMAS）接触时的反应机理。先进的氧化物-硅酸盐缺陷簇环境隔离涂层被设计用于最终平衡地控制EBC温度能力和CMAS反应性，从而提高CMAS耐受性。还讨论了其他CMAS缓解策略。

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来源
《Advanced ceramic matrix composites: science and technology of materials, design, applications, performance and integration》|2017年|39-39|共1页
会议地点 Santa Fe(US)
作者
Dongming Zhu; Gustavo Costa; Bryan Harder; Valerie L. Wiesner; Janet B. Hurst;
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作者单位

NASA Glenn Research Center, USA;

NASA Glenn Research Center, USA;

NASA Glenn Research Center, USA;

NASA Glenn Research Center, USA;

NASA Glenn Research Center, USA;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Environmental barrier coatings (EBCs); ceramic matrix composites (CMCs); Calcium-Magnesium Alumino-Silicates (CMAS); defect cluster environmental barrier coatings;

机译：环保涂料（EBC）；陶瓷基复合材料（CMC）；钙镁铝硅酸盐（CMAS）;缺陷簇环境屏障涂料;

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专利

1. Calcium-magnesium aluminosilicate (CMAS) reactions and degradation mechanisms of advanced environmental barrier coatings [J] . Nadia L. Ahlborg, Dongming Zhu Surface & Coatings Technology . 2013,第Null期

机译：钙-镁铝硅酸盐（CMAS）反应和高级环境屏障涂料的降解机理
2. Computational investigation of foreign object damage sustained by environmental barrier coatings (EBCs) and SiC/SiC ceramic-matrix composites (CMCs) [J] . Mica Grujicic, Jennifer Snipes, Ramin Yavari, Multidiscipline modeling in materials and structures . 2015,第2期

机译：环境屏障涂层（EBC）和SiC / SiC陶瓷基复合材料（CMC）造成的异物损坏的计算研究
3. Oxidation resistance of NITE-SiC/SiC composites with/without CVD-SiC environmental barrier coating [J] . Park Joon-Soo, Kim Jong-Il, Nakazato Naofumi, CERAMICS INTERNATIONAL . 2018,第14期

机译：用CVD-SIC环境屏障涂层的Nite-SiC / SiC复合材料的抗氧化性
4. NASA's advanced environmental barrier coatings development for SiC/SiC Ceramic matrix composites: Understanding CMAS degradations and resistance [C] . Dongming Zhu . 2014

机译：NASA用于SiC / SiC陶瓷基复合材料的先进环境屏障涂料开发：了解CMAS的降解和电阻
5. Multi-scale Investigation of Damage Mechanisms in SiC/SiC Ceramic Matrix Composites [D] . Tracy, Jared Michael. 2014

机译：SiC / SiC陶瓷基复合材料损伤机制的多规模研究
6. Comparison of Cyclic Hysteresis Behavior between Cross-Ply C/SiC and SiC/SiC Ceramic-Matrix Composites [O] . Longbiao Li 2016

机译：交叉层C / SiC与SiC / SiC陶瓷基复合材料的循环磁滞行为比较
7. Thermal Gradient Cyclic Behavior of a Thermal/Environmental Barrier Coating System on SiC/SiC Ceramic Matrix Composites [O] . Lee, Kang N., Miller, Robert A., Zhu, Dongming 2002

机译：SiC / SiC陶瓷基复合材料的热/环境阻挡涂层体系的热梯度循环行为

CALCIUM-MAGNESIUM ALUMINO-SILICATES (CMAS) REACTION MECHANISMS AND RESISTANCE OF ADVANCED TURBINE ENVIRONMENTAL BARRIER COATINGS FOR SIC/SIC CERAMIC MATRIX COMPOSITES

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