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制备了以纯镁为基体，以混杂碳化硅颗粒和硅酸铝短纤维为增强物的镁基复合材料，研究了其机械性能和阻尼性能。结果表明，增强物的加入提高了纯镁的强度，但同时也减小了复合材料阻尼的应变振幅效应，从而降低了其阻尼性能。研究证明此镁基复合材料的阻尼行为可按Ｇ－Ｌ位错阻尼理论解释，与纯镁一致。
The pure magnesium matrix was prepared, and the mechanical properties and damping properties of magnesium matrix composites reinforced with hybrid SiC particles and aluminum silicate short fibers were studied. The results show that the addition of reinforcements increases the strength of pure magnesium, but it also decreases the strain amplitude effect of the composite damping and thus reduces its damping capacity. The results show that the damping behavior of Mg-based composites can be explained by G-L dislocation damping theory, which is consistent with pure magnesium.