用超声衰减法研究喷射沉积6061Al/SiCp复合材料的阻尼性能  

Ultrasonic attenuation coefficient of the spray-atomized and co-deposited 6061Al/SiCp composite

作　　者：魏勤[1] 张迎元[2] 尤建飞[1] 

机构地区：[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

出　　处：《应用声学》2004年第6期20-23,共4页Journal of Applied Acoustics

摘　　要：本文通过研究喷射沉积6061A1／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。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.

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 

分 类 号：O539[理学—等离子体物理] TB333[理学—物理]