Title: Effect of high density pulse current on solidification structure of A356 alloy
Abstract: The effect of high density pulse electric current (HDPEC) on the solidification structure of A356 alloy was investigated. In the experiments, the HDPEC was discharged at different stage of the solidification of A356 alloy. The control results showed that the solidification structure of A356 alloy was refined apparently when the HDPEC was discharged during the solidification. And the microstructure refinement is related to the beginning time of the HDPEC discharge, the earlier the discharge during the solidification, the better the refinement. Meanwhile, the higher HDPEC discharge is beneficial to modification of solidification structure. The mechanism of HDPEC discharge was analyzed quantitatively.
Publication Year: 2002
Publication Date: 2002-01-01
Language: en
Type: article
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