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Influence of Aging on Corrosion Behaviour of the 6061 Cast Aluminium Alloy
Name
materials-14-01821.pdf
Size
9.16 MB
Format
Adobe PDF
Checksum (MD5)
4ef1d611fbe427540c8da0d19e6c17ae
Author(s)
He, Ting
Shi, Wei
Xiang, Song
Huang, Chaowen
Ballinger, Ronald G.
Date Issued
April 7, 2021
Publisher
Multidisciplinary Digital Publishing Institute
Citation
Materials 14 (8): 1821 (2021)
Version
Final published version
Abstract
The influence of AlFeSi and Mg2Si phases on corrosion behaviour of the cast 6061 aluminium alloy was investigated. Scanning Kelvin probe force microscopy (SKPFM), electron probe microanalysis (EPMA), and in situ observations by confocal laser scanning microscopy (CLSM) were used. It was found that Mg2Si phases were anodic relative to the matrix and dissolved preferentially without significantly affecting corrosion propagation. The AlFeSi phases’ influence on 6061 aluminium alloy local corrosion was greater than that of the Mg2Si phases. The corroded region width reached five times that of the AlFeSi phase, and the accelerating effect was terminated as the AlFeSi dissolved.
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Creative Commons Attribution
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DOI of Published Version
http://dx.doi.org/10.3390/ma14081821
