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利用真空浸渗法制备了镁合金/珍珠岩复合材料,并利用DTM-Ⅱ-X型动态弹性模量阻尼内耗分析仪在共振条件下测试了其杨氏模量及阻尼内耗值,分析了其阻尼机理。试验结果表明,镁合金/珍珠岩金属基复合材料的阻尼性能要大大优于基体金属的。
The magnesium alloy / perlite composites were prepared by vacuum infiltration method. The Young’s modulus and damping internal friction value of the composites were measured by DTM-Ⅱ-X dynamic elastic modulus damping internal friction analyzer under resonance condition. Damping mechanism. The experimental results show that the damping performance of magnesium alloy / perlite metal matrix composites is much better than that of matrix metal.