轻质高强高阻尼HfO2@CNT/聚合物/CuAlMn复合材料的制备及性能

蒋招汉, 邱文婷, 龚深, 李周

Preparation and Properties of Lightweight HfO2@CNT/Polymer/CuAlMn Composite with High Strength and High Damping

JIANG Zhaohan, QIU Wenting, GONG Shen, LI Zhou

表3 材料的物理参数[23,32,40~49]

Table 3 Physical parameters of materials[23,32,40-49]

Parameter Symbol Ref. Sim. value Elastic modulus of CuAlMn SMA ECuAlMn [32] 20 GPa Elastic modulus of polymer Em [32] 127 MPa Elastic moduli of CNFs, CNTs, and HfO2@CNTs Ef [41,42] 1000 GPa Radius of HfO2 nanoparticles 1 nm Radii of CNFs and CNTs rf [43] 75 nm, 7.5 nm Lengths of CNFs and CNTs lf [43] 15 μm, 1.5 μm Volume ratio of HfO2 nanoparticles to CNTs 30% Loss factor of CuAlMn SMA ηCuAlMn [23] 0.0094 Loss factor of polymer ηm [32] 0.0662 Loss factors of CNFs, CNTs, and HfO2@CNTs ηf [40,44-46] 0.0018 Loss factor of macroscopic and microscopic interface transition zone ηi [47-49] 0.50