热障涂层微-纳分级微观结构制备及其抗CMAS润湿性能
TG174.4; 通过悬浮液等离子喷涂技术(SPS)在常规大气等离子(APS)热障涂层表面构建了具有微-纳双尺度的表面微观结构,比较了高温下熔融 CMAS(Calcium-Magnesium-Alumina-Silicate)在两种涂层表面上的润湿行为差异,从实验和理论角度分析了表面微观结构差异对涂层抗CMAS润湿性能的影响.研究结果显示,得益于涂层表面微-纳分级微观结构,SPS涂层的抗CMAS润湿性能较常规APS涂层的抗CMAS润湿性能得到了显著提升.在 1 300℃下热处理 5 min后,熔滴在SPS涂层上的润湿角为 115.1°,而熔融CMAS在常规APS涂层的润湿角为 52.1°;热处...
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| Published in | 华东理工大学学报（自然科学版） Vol. 49; no. 4; pp. 598 - 605 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
华东理工大学机械与动力工程学院, 承压与安全教育部重点实验室, 上海 200237%苏州大学机电工程学院, 江苏苏州 215137
01.08.2023
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| Online Access | Get full text |
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| Abstract | TG174.4; 通过悬浮液等离子喷涂技术(SPS)在常规大气等离子(APS)热障涂层表面构建了具有微-纳双尺度的表面微观结构,比较了高温下熔融 CMAS(Calcium-Magnesium-Alumina-Silicate)在两种涂层表面上的润湿行为差异,从实验和理论角度分析了表面微观结构差异对涂层抗CMAS润湿性能的影响.研究结果显示,得益于涂层表面微-纳分级微观结构,SPS涂层的抗CMAS润湿性能较常规APS涂层的抗CMAS润湿性能得到了显著提升.在 1 300℃下热处理 5 min后,熔滴在SPS涂层上的润湿角为 115.1°,而熔融CMAS在常规APS涂层的润湿角为 52.1°;热处理 10 min后,熔融CMAS在SPS涂层上的润湿角为 68.2°,是常规APS涂层上润湿角的 3.2倍.此外,SPS涂层疏松多孔的微观结构特征有利于空气的储存,在熔体润湿涂层表面过程中可起到支撑液滴的作用. |
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| AbstractList | TG174.4; 通过悬浮液等离子喷涂技术(SPS)在常规大气等离子(APS)热障涂层表面构建了具有微-纳双尺度的表面微观结构,比较了高温下熔融 CMAS(Calcium-Magnesium-Alumina-Silicate)在两种涂层表面上的润湿行为差异,从实验和理论角度分析了表面微观结构差异对涂层抗CMAS润湿性能的影响.研究结果显示,得益于涂层表面微-纳分级微观结构,SPS涂层的抗CMAS润湿性能较常规APS涂层的抗CMAS润湿性能得到了显著提升.在 1 300℃下热处理 5 min后,熔滴在SPS涂层上的润湿角为 115.1°,而熔融CMAS在常规APS涂层的润湿角为 52.1°;热处理 10 min后,熔融CMAS在SPS涂层上的润湿角为 68.2°,是常规APS涂层上润湿角的 3.2倍.此外,SPS涂层疏松多孔的微观结构特征有利于空气的储存,在熔体润湿涂层表面过程中可起到支撑液滴的作用. |
| Author | 俞泽新 王卫泽 方焕杰 |
| AuthorAffiliation | 华东理工大学机械与动力工程学院, 承压与安全教育部重点实验室, 上海 200237%苏州大学机电工程学院, 江苏苏州 215137 |
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| Author_FL | WANG Weize FANG Huanjie YU Zexin |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitle_FL | Preparation of Micro-Nano Hierarchical Microstructure of Thermal Barrier Coatings and Its Performance against CMAS Wetting |
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| Keywords | suspension plasma spraying 抗润湿性能 热障涂层 anti-wettability CMAS corrosion CMAS腐蚀 micro-nano hierarchical microstructure 悬浮液等离子喷涂 thermal barrier coatings 微-纳分级微观结构 |
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| Publisher | 华东理工大学机械与动力工程学院, 承压与安全教育部重点实验室, 上海 200237%苏州大学机电工程学院, 江苏苏州 215137 |
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| Snippet | TG174.4; 通过悬浮液等离子喷涂技术(SPS)在常规大气等离子(APS)热障涂层表面构建了具有微-纳双尺度的表面微观结构,比较了高温下熔融... |
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| Title | 热障涂层微-纳分级微观结构制备及其抗CMAS润湿性能 |
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