Effect of High-intensity Ultrasonic on Solidification Structure and Degassing of Al-2Mg Alloy
Author of the article:SHI Honglin;HUANG Songlin;JIA Zheng;SUN Yongqiang;SU Xin
Author's Workplace：School of Mechanical Engineering,Shenyang University,Shenyang 110044,China
Key Words：high-intensity ultrasonic Al-2Mg alloy density degassing efficiency cavitation effect
Abstract：
The effect of high-intensity ultrasonic treatment on solidification structure and degassing of Al-2 Mg alloy was investigated.The results show that ultrasonic treatment could achieve good refining and degassing effect,the best refining effect is achieved at 30 s with ultrasonic treatment at 2 000 W,and the most isometric crystals are found in the ingot section.The best degassing effect is obtained when treated with 90 s,the ingot density and degassing rate are 2.624 4 g·cm-3 and51.9%,respectively.Ultrasonic cavitation effect created by the high frequency vibration of the longer duration,degassing effect is more apparent.
