Fabrication and properties of triplex NiCrAlY/nano Al2O3·13%TiO2/nano TiO2 coatings on a magnesium alloy by atmospheric plasma spraying method
Source abstract
Abstract
Abstract In this study, plasma sprayed multilayered coatings were successfully applied on the Mg alloys. On the other hand, corrosion behaviors of the coated magnesium alloy substrates with three different plasma sprayed coatings consisting of NiCrAlY, NiCrAlY/nano Al 2 O 3 ·13%TiO 2 and NiCrAlY/nano Al 2 O 3 ·13%TiO 2 /nano TiO 2 coatings were elaborated in 3.5 wt% NaCl solution. Electrochemical studies depicted that the novel coating (NiCrAlY/nano Al 2 O 3 ·13%TiO 2 /nano TiO 2 ) is able to reduce the corrosion rate of the Mg alloy and increase impedance values compared to the other samples. In fact, TiO 2 sealing layer could fill some micro-pores in the Al 2 O 3 –13 wt%TiO 2 coating and could prevent the concentration of the electrolyte in the Al 2 O 3 –13 wt%TiO 2 coating.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Magnesium Alloys: Properties and Applications · Aluminum Alloys Composites Properties · Corrosion Behavior and Inhibition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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