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8 空化泡动力学分析 (a) Solution R(t) / R0 within two acoustic periods (R(t)—radius of cavitation bubble at time t, R0—initial radius of cavitation bubble) (b) collapse velocities (dR / dt) of the bubble wall (c) variations of temperature (T) with t of bubble collapse (d) variations of pressure (P1) with t of bubble collapse

Fig.8 Bubble dynamics analyses