MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Electric Current-Induced Liquation Features of Cast Pure Tin
Gong-An LanTruan-Sheng LuiLi-Hui Chen
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JOURNALS FREE ACCESS

2012 Volume 53 Issue 11 Pages 1972-1975

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Abstract

Electric current-induced liquation feature of cast pure β-tin under alternating current (AC) was investigated in this study. According to the experimental results, the initial fusion emerges from grain interior. Since the fusion paths traverse the grain boundaries preferentially in a high-angle manner, their track inside a grain tends to be curved and thus longer than the grain size. Continued electrification leads fusion paths to form network-like interconnected fusion structure with most triple junctions residing within grain interior. Lateral thickening of the interconnected fusion paths leads to final failure. The result that the network-like fusion structure is rather equiaxed can eliminate the effect of crystal anisotropy on the fusion behavior if it exists.

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© 2012 The Japan Institute of Metals and Materials
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