超声功率对W90/Sn/Mg接头微观组织和力学性能的影响
张旭东, 付伟, 宋晓国, 宋娜, 孙浩, 胡胜鹏

Effect of Ultrasonic Power on the Microstructure and Mechanical Property of W90/Sn/Mg Joint
ZHANG Xudong, FU Wei, SONG Xiaoguo, SONG Na, SUN Hao, HU Shengpeng
图7 0~12 cyc内特征点A与B声压值对比
(a) coordinates of points A and B
(b) acoustic pressure distribution
Fig.7 Comparison of acoustic pressure of points A and B within 0-12 cyc (t—time; regions I and II represent the maximum and minimum acoustic pressure amplitudes at points A and B, respectively)