Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 51405506 |
| 航空发动机叶片强韧陶瓷-金属涂层砂尘冲蚀损伤机理 | |
| 何光宇 | |
| 主持机构 | 中国人民解放军空军工程大学 |
| 开始日期 | 2015 |
| 结束日期 | 2017 |
| 资助经费 | 250000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Irregular sand grains may cause erosion and corrosion to the surface of the aero-engine blades which will severely affects the operability and security of helicopters. Ceramic-metal multi-layer coatings have several features, such as high strength, good fracture toughness and easy to be designed which is used as a major way to improve the anti-erosion quality of aero-engine blades through protecting the blades against several kinds of damage. However, the anti-erosion quality of coatings is closely related with the coating’s structure, its physical properties and the characteristics of the sands. The way to improve the fracture toughness has always been the key problem which has hindered the improvement of the anti-erosion quality of multi-layer coatings. The aero-engine blades of a helicopter subjected to severe sand erosion environment were taken as the samples of the research in this research. It focused on finding out the dynamic interaction between sands and ceramic-metal multi-layer coatings, and the dynamic response between coatings and the base material through a combined method of theoretical reasoning, experimenting and data analyzing. It further analyzed how ceramic-metal coatings were damaged by the combined effect of sand erosion and corrosion in order to lay the theoretical foundation for the establishment of the research system on multi-layer anti-erosion coatings. The results of this research are of great significance to the further research and development of advanced aero-engines with good quality, long life cycle and high reliability. |
| 来源机构 | 中国人民解放军空军工程大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346778 |
| 推荐引用方式 GB/T 7714 | 何光宇.航空发动机叶片强韧陶瓷-金属涂层砂尘冲蚀损伤机理.2015. |
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