A Novel Ultrasonic Casting Process Using Controlled Cavitation and Melt Flow in Hot Top Molds
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-0.01~0.03P melt in a hot top pos...
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| Veröffentlicht in: | Materials science forum 2014-06, Vol.794-796, p.124-129 |
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| creator | Takeda, Yoshihiro Ishiwata, Yasuo Komarov, Sergey |
| description | 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-0.01~0.03P 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. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.794-796.124 |
| format | Article |
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| ispartof | Materials science forum, 2014-06, Vol.794-796, p.124-129 |
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| source | Scientific.net Journals |
| subjects | Aluminum base alloys Billet casting Binary systems Cavitation Ceramics Direct chill casting Intermetallic compounds Melts Molds Silicon |
| title | A Novel Ultrasonic Casting Process Using Controlled Cavitation and Melt Flow in Hot Top Molds |
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