Crystallographic effects in intergranular corrosion of an Al-Mg alloy

被引：0
|
作者：
Yuan, YD [1 ]
Ambat, R [1 ]
Strangwood, M [1 ]
Davenport, AJ [1 ]
Afseth, A [1 ]
Scamans, G [1 ]
机构：
[1] Univ Birmingham, Inst Met & Mat, Birmingham B15 2TT, W Midlands, England
来源：
CORROSION AND CORROSION PROTECTION | 2001年 / 2001卷 / 22期
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D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The effect of grain boundary misorientation on intergranular corrosion of Al-4Mg was investigated with electron backscattered diffraction (EBSD) and profilometry of an epoxy replica of the attacked surface. It was found that grain boundaries with low misorientation (<20degrees) showed less attack than boundaries with higher misorientation. In general, low energy coincident site lattice (CSL) boundaries did not show particularly low attack, with the exception of Sigma=5 boundaries. was used to confirm the formation of Mg-rich particles at sensitized grain boundaries.
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页码：273 / 278
页数：6
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