Microstructure inhomogeneity of the constituent particles of 7075-T6 aluminum alloy after alkaline cleaning and desmutting

•Alkaline cleaning and desumtting behavior of 7075-T6 Al alloy was detailed.•Mg-Si constituent particles transformed to Si-rich oxides after pretreatment.•Non-uniform corrosion of Al-Fe-Cu constituent particles after pretreatment.•Microstructure inhomogeneity of the constituent particles after pretr...

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Veröffentlicht in:	Corrosion science 2021-05, Vol.184, p.109354, Article 109354
Hauptverfasser:	Chen, Siao-Ying, Huang, Chao-Yu, Lin, Chao-Sung
Format:	Artikel
Sprache:	eng
Schlagworte:	A. Aluminum Alkaline cleaning Aluminum alloys Aluminum base alloys B. AES B. TEM C. Acidic corrosion C. Alkaline corrosion C. De-alloying Casting Copper Corrosion Galvanic corrosion Inhomogeneity Iron Magnesium Metallurgical constituents Microstructure Particulates Scale (corrosion) Silicon Trenching
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