The effect of power ultrasound on solidification process of Pb-Sn alloy was investigated, and the mechanism about different ultrasonic power, temperature and cooling conditions of melt was analyzed.

• 摘要研究了功率超声在铅锡合金凝固过程的作用，分析了超声功率、施振温度、熔体的冷却方式等参数的影响机制。