The influence of alloy microstructure on corrosion resistance and other properties of coatings formed by microarc oxidation

被引：4
|
作者：
Dudareva, Natalia [1 ]
Zaynullina, Liliya [1 ]
Kiseleva, Svetlana [1 ]
Abramova, Marina [1 ]
机构：
[1] Ufa State Aviat Tech Univ USATU, K Marx St 12, Ufa 450008, Russia
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2022年 / 288卷
关键词：
aluminium Alloy; Nanomaterials; Ceramic; Coating; Corrosion; PLASMA ELECTROLYTIC OXIDATION; SEVERE PLASTIC-DEFORMATION; ALUMINUM-ALLOYS;
D O I：
10.1016/j.matchemphys.2022.126379
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of the initial microstructure of the aluminium alloy Al-12Si on the corrosion resistance of the microarc oxidation (MAO) coating has been studied. It has been established that the corrosion rate of samples with MAO-coating on an alloy with an ultrafine-grained (UFG) structure increases by 5.6 ... 11.6 times depending on the modes of the MAO process in relation to samples with a coating, but with a coarse-grained structure. It is assumed that this effect is associated with unrecorded small-scale porosity, the proportion of which in the MAO layer on samples with an UFG structure is higher.
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页数：5
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