Effect of Physical Fields on Solidification Structures of DC Casting AZ80 Magnesium Alloy Billets
AZ80 magnesium alloy was semi-continuously cast under different physical fields which were conventional direct chill (DC) casting, low frequency electromagnetic casting (LFEC), ultrasonic casting (USC) and electromagnetic-ultrasonic combined casting (ECUC), respectively. The effect of different physical fields on solidification structures of AZ80 alloys was investigated. The results show that compared with the conventional DC casting, structures of AZ80 alloys billets cast with LFEC and USC have been greatly refined. The effective refinement takes place in the edge of billets when LFEC is applied. However, the effective refinement takes place in the center of billets when USC is applied. When combination of low frequency electromagnetic and ultrasonic fields is applied during semi-continuous casting AZ80 magnesium alloy billet, structures of AZ80 alloys are refined significantly in the whole billets everywhere and more uniform.
AZ80 magnesium alloys DC casting Physical fields Solidification structures
Zhi Qiang Zhang Qi Chi Le Jian Zhong Cui
The Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education,Northeastern University, Shenyang, Liaoning, 110819, China
国际会议
上海
英文
1616-1619
2011-10-21（万方平台首次上网日期，不代表论文的发表时间）