研究了将铅挤压阻尼装置等效成阻尼比和刚度系数的方法，建立了消能装置的通用等效计算公式；
The equivalent damping ratio and stiffness coefficient of the LED device are studied, and the general equivalent formula of energy dissipation devices is established.
用挤压铸造工艺制备了钛酸钾晶须增强铝基复合材料，研究了其热膨胀系数和热循环尺寸稳定性。
Aluminum matrix composites reinforced with potassium titanate whiskers were prepared by squeezing casting process. The thermal expansion and dimensional stability of such composites were investigated.
合金；快速凝固；往复挤压；强化机制；热膨胀系数；
Solidification; Reciprocating Extrusion; Strengthening Mechanism; Thermal Expansion Coefficient;
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