PAN L J, ZHANG B M, DAI F H. Loss factor of viscoelastic damping composite material under harmonic excitation [J]. Journal of Vibration and Shock, 2008, 27(2): 57-60.
[16]潘利剑,张博明,戴福洪。 简谐激励下共固化复合材料黏弹阻尼结构的损耗因子研究[J]。振动与冲击,2008,27(2): 57-60。
Therefore, by determining the intensity of ultrasonic damping, the mechanical properties of composite can be predicted directly.
结果表明,可以通过超声衰减的?度直接预测复合材料的力学性能。
Dynamic mechanical thermal analysis showed that the addition of TPR improved the damping of the composite, but decreased the storage modulus and the glass transition temperature of the composite.
复合材料动态力学性能研究表明:TPR的加入提高了复合材料的阻尼性质,却降低了复合材料的存储模量和玻璃化转变温度;
The formation process and the microstructure of the composite were analyzed, and the damping properties of the composite every layer were also investigated.
分析了复合材料的形成过程,考察了复合材料的组织,研究了复合材料各层的阻尼性能。
An attempt to improve the vibration damping of this material was first performed by introducing compliant interlayers between composite plies.
首先,通过在复合材料层片间引入障碍插层的方法进行复合材料振动阻尼性改进的尝试。
Based on the finite element model, the effects of the geometrical and physical parameters of damping materials on damping properties of composite structures were analyzed.
利用该有限元模型分析了各层阻尼材料的几何及物理参数对复合结构阻尼性能的影响。
On the basis of the finite element model, the effects of the geometrical and physical parameters of damping materials on damping properties of composite structures are studied.
利用此有限元模型研究了各层阻尼材料的几何及物理参数对复合结构阻尼性能的影响。
The modal loss factor of an orthogrid-stiffened composite panel is studied using the present method and particular attention is paid to the effect of ribs on damping.
本文将该方法应用于一种复合材料等间距正交网格加筋板的阻尼特性分析,考察了加筋对复合材料层合板阻尼特性的影响。
This paper introduces a sort of damping material reducing vibration noise used for components suffered forces i. e. composite damping steel plate with asymmetrical structure.
本文介绍一种用于受力构件的减振降阻尼材料——不对称型复合阻尼钢板。
Numerical analysis of the composite bending stiffnesses and the loss factors of the different interlayer damping structures have been carried out.
研究表明,增加多夹层组合结构的夹层层数对组合结构损耗因子的提高量有限;
The basic types of composite structures with free damping and constrained damping, so what works derived free damping materials and constrained damping material.
复合结构的基本类型有自由阻尼和约束阻尼两种,因此派生出工程上所说的自由阻尼材料和约束阻尼材料。
The system's global characters are obtained under different input torque fluctuation, backlash, composite transmission error, exciting frequency and damping ratio.
得到了系统在不同的输入转矩波动、齿侧间隙、齿轮综合误差、激励频率和阻尼比参数下系统的全局特性。
The piezoelectric and conductive epoxy resin composite damping material of the invention has good damping effects such as eliminating noise and vibration, preventing electrostatic and the like.
本发明的压电导电环氧树脂复合阻尼材料具有优良的消除噪声、振动和防静电等阻尼效应。
The invention provides epoxy resin composite damping slurry for preparing a damping material, and a preparation method and the composite damping material thereof.
本发明提供一种可制备阻尼材料的环氧树脂复合阻尼浆料及其制法和由其制备的复合阻尼材料。
YANG J M, ZHONG X D, ZHAO Y Y. Strain energy and damping analysis of composite laminates with two interleaved viscoelastic layers[J]. Engineering Mechanics, 2010, (3): 133-138.
[57] 杨加明,钟小丹,赵艳影。复合材料夹杂双层黏弹性材料的应变能和阻尼性能分析[J]。工程力学, 2010, (3): 133-138。
The natural frequency of the composite T-beams increases and damping properties of the composite T-beams decrease with the increasing of fiber volume fraction.
且其固有频率随纤维体积分数的增大而提高,阻尼性能随纤维体积分数的增大而降低。
Firstly, the composite modal damping ratio should be adopted in dynamic analysis of SSI system, and then the method how to estimate the composite modal damping ratio of SSI system was illustrated.
文中首先阐明了在SSI体系直接动力分析中应采用合成模态阻尼比的观点,研究了合成模态阻尼比的实测确定方法。
And it was also found the annealing treatment and the heat recycling treatment could improve the damping capacity of magnesium matrix composite.
镁基复合材料的阻尼性能与其状态关系密切,退火处理和热循环处理提高了复合材料的阻尼性能。
The natural frequency, modal shape and modal damping ratio of the typical structural of composite wallboard (rapid wall) system are got by dynamic behavior measurement.
通过实测复合墙板试点工程结构的动力反应,获得了结构的自振频率、振型和阻尼比等模态参数。
Methods for reducing vibration of mechanical structure and the mechanism of reducing vibration of composite vibration-damping steel plates are introduced.
论述了降低机械结构振动的方法及常用复合减振钢板的减振机理。
Methods for reducing vibration of mechanical structure and the mechanism of reducing vibration of composite vibration-damping steel plates are introduced.
论述了降低机械结构振动的方法及常用复合减振钢板的减振机理。
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