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Effect of high-intensity ultrasound on restraining solute segregation in Al-Si alloy casting process

Li Ting-Ju Gao Xue-Peng Li Xin-Tao Qie Xi-Wang Wu Ya-Ping Li Xi-Meng

Effect of high-intensity ultrasound on restraining solute segregation in Al-Si alloy casting process

Li Ting-Ju, Gao Xue-Peng, Li Xin-Tao, Qie Xi-Wang, Wu Ya-Ping, Li Xi-Meng
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  • Abstract views:  3578
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  • Received Date:  11 May 2006
  • Accepted Date:  22 June 2006
  • Published Online:  26 January 2007

Effect of high-intensity ultrasound on restraining solute segregation in Al-Si alloy casting process

  • 1. (1)大连理工大学三束材料改性国家重点实验室及材料科学与工程学院,大连 116024; (2)大连理工大学三束材料改性国家重点实验室及材料科学与工程学院,大连 116024;大连理工大学原材料特种制备重点实验室,大连 116024; (3)大连理工大学原材料特种制备重点实验室,大连 116024

Abstract: The influence of high-intensity ultrasound on the microstructure and the distribution of solute elements Si in α (Al) of Φ10mm Al-1% Si alloy bonding wire produced by horizontal continuous casting have been investigated. Experimental results show that under high-intensity ultrasonication the microstructure is refined, the solid solubility and the uniformity of the distribution of Si in α (Al) are improved and the solute segregation is suppressed. The effect of high-intensity ultrasonic vibration on restraining solute segregation in Al-1% Si alloy ingot in horizontal continuous casting is explained from such factors as the diffusion of solute, solidification interval, solidifying front shape, temperature field, flow pattern and microstructure.

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