effects of low frequency electromagnetic field on surface quality, microstructure and hot-tearing tendency of semi-continuous casting zk60 magnesium alloy billets

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ID: 252063
2013
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Abstract
The low frequency electromagnetic field was applied during direct chill (DC) semi-continuous casting of the ZK60 magnesium alloy billets. Effects of low frequency electromagnetic field on surface quality, microstructure and hot-tearing tendency of Φ500 mm ZK60 magnesium alloy billets were investigated. The results showed that with the application of the low frequency electromagnetic field, the surface quality of the ZK60 magnesium alloy billets is markedly improved and the depth of cold fold is decreased. The microstructure of the billets is also significantly refined. Besides, the distribution of the grain size is relatively uniform from the billet surface towards its center, where the average grain size is 42 μm at surface and 50 μm at center. It also shows that the hot-tearing tendency of DC semi-continuous casting ZK60 magnesium alloy billets is significantly reduced under low frequency electromagnetic field.
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zhiqiang2013chinaeffects Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Zhang Zhiqiang;Le Qich;Bao Lei
Journal bioconjugate chemistry
Year 2013
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