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|a He, Ting
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|a Shi, Wei
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|a Xiang, Song
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|a Huang, Chaowen
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|a Ballinger, Ronald G.
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|a Influence of Aging on Corrosion Behaviour of the 6061 Cast Aluminium Alloy
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|b Multidisciplinary Digital Publishing Institute,
|c 2021-10-27T18:09:17Z.
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|u https://hdl.handle.net/1721.1/133194
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|a The influence of AlFeSi and Mg<sub>2</sub>Si 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 Mg<sub>2</sub>Si 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 Mg<sub>2</sub>Si 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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