| 压电和压磁材料硬涂层对叶片固有特性的影响 |
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| 引用本文： | 王娇,王伯平,韩清凯.压电和压磁材料硬涂层对叶片固有特性的影响[J].武汉理工大学学报,2011(8). |
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| 作者姓名： | 王娇 王伯平 韩清凯 |
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| 作者单位： | 东北大学机械工程与自动化学院;空军航空大学航空理论系; |
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| 基金项目： | 国家自然科学基金(50775028); 中央高校基本科研业务费专项资金(N090603007N100603009) |
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| 摘 要： | 利用金属基或陶瓷基硬涂层可以改变压气机叶片的固有特性,进而可以在某种程度上改善叶片的抗振动疲劳能力。针对具有压电和压磁效应的金属基和陶瓷基两类典型材料的硬涂层,采用有限元法对涂层-叶片复合材料结构进行模态分析,对比涂层厚度和涂覆位置等对叶片固有特性的影响。在涂层-叶片复合材料结构有限元建模中,涂层视为各向异性材料并考虑其电磁效应,叶片基体为各向同性材料。结果表明,两类硬涂层的厚度和涂覆位置都对叶片固有特性有明显影响,对弯曲振型影响较小,对扭转振型和高阶复合振型的影响较大。
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| 关 键 词： | 压气机叶片 硬涂层 固有特性 压电压磁效应 |
Contribution of Hard Coats with Piezoelectric and Piezomagnetic Effects on Natural Characteristics of Compressor Blades |
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| WANG Jiao,WANG Bo-ping,HAN Qing-kai.Contribution of Hard Coats with Piezoelectric and Piezomagnetic Effects on Natural Characteristics of Compressor Blades[J].Journal of Wuhan University of Technology,2011(8). |
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| Authors: | WANG Jiao WANG Bo-ping HAN Qing-kai |
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| Affiliation: | WANG Jiao1,WANG Bo-ping2,HAN Qing-kai1(1.School of Mechanical Engineering and Automation,Northeastern University,Shenyang 110819,China,2.Department of Flight Theory,Aviation University of Air Force,Changchun 130022,China) |
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| Abstract: | Hard coats with metal or ceramic substrate are effective to change the natural characteristics of a compressor blade so that to improve the anti-vibration fatigue capability.In this paper,the finite element method based modal analysis is achieved to investigate the contributions of the two different hard coats on the natural characteristics of a compressor blade.The two kinds of hard coats are modeled by both anisotropic materials and involving their piezoelectric or piezomagnetic effects.The blade is model... |
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| Keywords: | compressor blade hard coats natural characteristics piezoelectric or piezomagnetic effects |
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