| THE EFFECT OF RARE EARTH ELEMENTS ON THE SOLIDIFICATION BEHAVIOR OF Al-Mg ALLOYS |
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| 作者姓名： | 王武 舒光冀 |
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| 作者单位： | Department of Materials Science and Engineering Southeast University，Nanjing 210018，China，Department of Materials Science and Engineering，Southeast University，Nanjing 210018，China |
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| 摘 要： | The effect of rare earth element on the solidification behavior of Al-Mg alloy was investigated in adirectional solidification apparatus.It was found that during the solidification process.the rare earth elementsegregated in the liquid at sold-liquid interface,changed the solidification morphology and reduced thesecondary arm spacing markedly.
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