A Novel Ultrasonic Casting Process Using Controlled Cavitation and Melt Flow in Hot Top Molds

被引：1
|
作者：
Komarov, Sergey [1 ]
Ishiwata, Yasuo [1 ]
Takeda, Yoshihiro [1 ]
机构：
[1] Nippon Light Met Co Ltd, Shimizu Ku, Shizuoka 4213297, Japan
来源：
ALUMINIUM ALLOYS 2014 - ICAA14 | 2014年 / 794-796卷
关键词：
DC process; ultrasonic casting; Al-Si alloys; primary silicon; structure refinement; structure uniformity;
D O I：
10.4028/www.scientific.net/MSF.794-796.124
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work introduces a novel ultrasonic DC casting process which allows producing billets of hypereutectic Al-Si alloys with greatly refined and uniformly distributed particles of primary Si. In the process, ultrasonic vibrations are introduced into an Al-17Si-0.01 similar to 0.03P melt in a hot top positioned on the mold by using a high-amplitude ceramic sonotrode. The hot top design and sonotrode arrangement provided a highly effective cavitation treatment of the melt in the hot top and well-controlled flow in the sump. A simplified model is proposed to explain the obtained results.
引用
收藏
页码：124 / 129
页数：6
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