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采用喷雾共沉积技术在ZA27合金中添加50mg．g－1Si制备了体积分数为10％的石墨、SiC增强锌基复合材料。用声频内耗仪对挤压前后材料的高频内耗行为进行了测量。结果发现，30℃时石墨、SiC增强复合材料的阻尼能力较常规铸造ZA27合金分别提高2．90和2.38倍；挤压后两种复合材料内耗值相当接近（约为常规铸造ZA27合金的4．3倍）。在微观组织形貌分析基础上探讨了石墨、SiC颗粒对复合材料内耗机制的影响。
Spray co-deposition technology in the ZA27 alloy added 50mg. g-1Si prepared by volume fraction of 10% graphite, SiC reinforced zinc matrix composites. The frequency internal friction instrument was used to measure the high frequency internal friction loss of the material before and after extrusion. The results show that the damping capacity of graphite and SiC reinforced composites increases by 2.90 and 2.38 times, respectively, compared with the conventional cast ZA27 alloy at 30 ℃. The internal friction values of the two composites after extrusion are quite close (about 4% of the conventional cast ZA27 alloy). 3 times). Based on the analysis of the microstructure, the effect of graphite and SiC particles on the internal friction mechanism of the composites was investigated.