Corrosion Resistance of Mg-xAl-3Ca-0.8Sr Magnesium Alloys

Tomasz Rzychoń; Michal Stopyra

doi:10.4028/www.scientific.net/DDF.334-335.213

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 334-335Corrosion Resistance of Mg-xAl-3Ca-0.8Sr Magnesium...

Corrosion Resistance of Mg-xAl-3Ca-0.8Sr Magnesium Alloys

Abstract:

The microstructure of Mg-xAl-3Ca-0.8Sr alloys consists of the α-Mg solid solution, irregular-shaped (Al,Mg)₂Ca, bulky Al₃Mg₁₃Sr and lamellar (Al,Mg)₄Sr phases. The results showed that aluminum has a positive effect on the corrosion resistance of Mg-xAl-3Ca-0.8Sr alloys. The main corrosion product is magnesium hydroxide Mg (OH)₂ which forms a cracked layer on the surface of Mg-xAl-3Ca-0.8Sr alloys.

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Defect and Diffusion Forum (Volumes 334-335)

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213-218

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https://doi.org/10.4028/www.scientific.net/DDF.334-335.213

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February 2013

Authors:

Tomasz Rzychoń, Michal Stopyra

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Corrosion Resistance, Magnesium Alloy, Mg-Al-Ca Alloy, Microstructure

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