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用超声衰减法研究喷射沉积6061Al/SiCp复合材料的阻尼性能
引用本文:魏勤,张迎元,尤建飞.用超声衰减法研究喷射沉积6061Al/SiCp复合材料的阻尼性能[J].应用声学,2004,23(6):20-23.
作者姓名:魏勤  张迎元  尤建飞
作者单位:1. 华东船舶工业学院数理系,镇江,212003
2. 洛阳船舶材料研究所,洛阳,471039
摘    要:本文通过研究喷射沉积6061Al/SiCp复合材料的超声衰减系数分析材料的阻尼性能。实验结果表明:随着超声频率逐渐增大,该材料对超声吸收和散射增强;在一定范围内,SiC体积分数的增大使吸收衰减系数增大,复合材料阻尼性能增强。

关 键 词:Al/SiCp  复合材料  阻尼性能  喷射沉积  增强  体积分数  衰减  超声频率  实验结果  研究

Ultrasonic attenuation coefficient of the spray-atomized and co-deposited 6061Al/SiCp composite
WEI Qin,ZHANG Yin-Yuan and YOU Jian-Fei.Ultrasonic attenuation coefficient of the spray-atomized and co-deposited 6061Al/SiCp composite[J].Applied Acoustics,2004,23(6):20-23.
Authors:WEI Qin  ZHANG Yin-Yuan and YOU Jian-Fei
Institution:East China Shipbuilding Institute, Zhengjiang 212003;Luoyang ship materials research institute, Luoyang 471039;East China Shipbuilding Institute, Zhengjiang 212003
Abstract:The damping properties of the 606lAl/SiCp metal matrix composite, which was fabricated by spray atomization and deposition, were studied by the sting of ultrasonic attenuation coefficients. The experimental results show that,is increasing frequency, the absorbing attenuation and scattering attenuation are both improved. The absorbing attenuation coefficients and damping capacity will also increase with the increase of volume fraction of SiC.
Keywords:61Al/SiCp metal matrix composite  Damping properties  Ultrasonic attenuation
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