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    • Preparation of Al Alloy ZL101 Semi-solid Slurry by Ultrasonic Vibration Method

    • Zhao Junwen

      1 ,

      Wu Shusen

      1 ,

      Xie Lizhi

      1
    • Issue 11, Pages: 846-849(2007)   

      Published： 2007 ，

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  • Zhao Junwen, Wu Shusen, Xie Lizhi. Preparation of Al Alloy ZL101 Semi-solid Slurry by Ultrasonic Vibration Method. [J]. Special Casting & Nonferrous Alloys (11):846-849(2007) DOI：
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    Abstract

    The effects of processing parameters on the microstructure of semi-solid ZL101 Al alloy slurry prepared by ultrasonic vibration were investigated,and the formation mechanism of the microstructure was approached.The liquid ZL101 aluminum was poured into a special-made metal cup with ultrasonic vibration or holding for some times at 630660℃.The results indicate that the average grain size of α-Al phase is decreased to about 90μm with the average shape coefficient more than 0.5 with vibrating for 144s.The average shape coefficient of grain is firstly decreased then increased with holding for the vibrated semi-solid slurry.The finer and spheroidal grain in the microstructure can be observed with increasing the ratio of ultrasonic time to interval time in the other same condition.

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    Keywords

    Ultrasonic Vibration; Aluminum Alloy; Semi-solid Metal; Slurry; Solidification Structure

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