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Test and Identification of Complex Modulus of Expanded Polyrethane

Hu Qiang( Zhijiang University)  
The modulus of elasticity and the loss factor the complex modulus parameters of viscoelastic damping material,are identified according to the free decrement vibration of the clamped--free beam in this paper. The test and identification results of three kinds of expanded polyurethane with variant density under variant temperature and frequency also provided.
【Fund】: 中国工程物理研究院科学技术基金
【CateGory Index】: TB487
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