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前言减振Al-Zn合金是一种复合型减振材料。它的减振机制与片状石墨铸铁相似,系通过Zn(Al)粒子去完成片状石墨铸铁中石墨片的能量吸收作用。在共析温度(275℃)下有使用价值,它的防振系数达30％。近等原子比的Al-Zn共析合金就是这种具有高阻尼特性的减振材料,它可以作为结构材料直接用于产生振动的震源部位,是极为简便的减振防噪措施。
Introduction Vibration damping Al-Zn alloy is a composite damping material. Its damping mechanism is similar to that of flake graphite cast iron, which uses Zn (Al) particles to complete the energy absorption of graphite flake graphite. In the eutectoid temperature (275 ℃) under the value of its anti-vibration coefficient of 30%. Nearly atomic ratio of Al-Zn eutectoid alloy is such a damping material with high damping properties, which can be used as a structural material directly to the vibration of the source site is an extremely simple vibration and noise control measures.