Journal
SCRIPTA MATERIALIA
Volume 61, Issue 1, Pages 44-47Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.03.002
Keywords
Intermetallics; Diffusion; Cold spray; Aluminium; Magnesium
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Funding
- Australian Research Council Centre of Excellence
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A new technique for generating thick Mg/Al intermetallic coatings on Mg-Al-Zn alloys through post-spray annealing of aluminium cold spray coatings is discussed. Annealing at 400 degrees C, which is close to the solution treatment temperature for AZ91 alloy, results in the formation of thick Mg17Al12 and Al3Mg2 intermetallic layers. These layers have high hardness, and increase the corrosion resistance to a level similar to that of aluminium alloys. (c) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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