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Electrochemical Impedance Spectroscopy Evaluation of the Corrosion Behavior of Die Cast and Thixocast AXJ530 Magnesium Alloy in Chloride Solution
Author(s) -
Jin S.,
Amira S.,
Ghali E.
Publication year - 2007
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200600199
Subject(s) - materials science , corrosion , metallurgy , dielectric spectroscopy , alloy , magnesium alloy , creep , magnesium , 6111 aluminium alloy , die (integrated circuit) , electrochemistry , chloride , electrode , chemistry , nanotechnology
The most used commercial magnesium alloy is AZ91D, but its creep resistance is low. A new Mg‐Al‐Ca‐Sr alloy (AXJ530) has better creep resistance than AZ91. However, the corrosion resistance of die cast AXJ530 is much lower than AZ91. To improve its corrosion performance, the alloy is thixocast from billets previously cast with electromagnetic stirring. This thixocast AXJ530 has comparable corrosion property to AZ91 in 0.05 M NaCl solution.