Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2012-08-05

Journal: Journal of Physics: Conference Series

Included Journals: Scopus、CPCI-S、EI

Volume: 463

Issue: 1

ISSN: 17426588

Abstract: The Bi-rich droplets motion in a solidifying Al-Bi immiscible alloy was in situ investigated using a synchrotron microradiography technique. The electric current pulse (ECP) was applied to control the droplets motion and distribution in the Al-matrix during solidification. Without ECP treatment, it was found that the second phase presented spherical droplets and distributed in the Al-matrix without obvious aggregation and segregation. With ECP treatment, the second phase seriously aggregated and formed lots of big clusters in the matrix. The electromagnetic pinch force induced by ECP was used to explain this phenomenon.