It has been found that the refining effect can be improved with increasing electric current. By means of the experiment on elec-flux refining of the Al-4.5wt%Cu alloy. Furthermore, the grain morphalogy changed from small equiaxial grain to coarse transcrystalline grain. The same refining effect also can be obtained through circulating refinement under the condition of low current.
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白世鴻,楊根倉,周少榮.電熔劑凈化對Al－4．5wt％Cu合金宏觀組織的影響[J].稀有金屬材料與工程,1996,(1).[Bai Shihong, Yang Gencang, Zhou Shaorong. The Influence of Elec-Flux Refining on the Macrostructure of Al-4.5wt%Cu Alloy[J]. Rare Metal Materials and Engineering,1996,(1).] DOI：[doi]