Corrosion resistance of a self-healing multilayer film based on SiO^sub 2^ and CeO^sub 2^ nanoparticles layer-by-layer assembly on Mg alloys

A multilayer coating with dense and smooth microstructure was successfully constructed on Mg alloys via a novel spin-spray layer-by-layer (SSLbL) assembly technique. As the useful building units, SiO2 nanoparticles could be used as a physical barrier to corrosive medium, and CeO2 nanoparticles were...

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Veröffentlicht in:Materials letters 2019-02, Vol.237, p.14
Hauptverfasser: Zhao, Yanbin, Zhang, Zhao, Shi, Liqian, Zhang, Fen, Li, Shuoqi, Zeng, Rongchang
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container_issue
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container_title Materials letters
container_volume 237
creator Zhao, Yanbin
Zhang, Zhao
Shi, Liqian
Zhang, Fen
Li, Shuoqi
Zeng, Rongchang
description A multilayer coating with dense and smooth microstructure was successfully constructed on Mg alloys via a novel spin-spray layer-by-layer (SSLbL) assembly technique. As the useful building units, SiO2 nanoparticles could be used as a physical barrier to corrosive medium, and CeO2 nanoparticles were chosen to act as a corrosion inhibitor to heal the physical damage. Thus, the obtained coating possessed good corrosion resistance and self-healing performance, which would prolong the service life of Mg alloy implants.
doi_str_mv 10.1016/j.matlet.2018.11.069
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source Elsevier ScienceDirect Journals Complete - AutoHoldings
subjects Assembly
Cerium oxides
Corrosion inhibitors
Corrosion resistance
Implants
Magnesium base alloys
Materials science
Multilayers
Nanoparticles
Protective coatings
Repair & maintenance
Self healing materials
Service life
Silicon dioxide
title Corrosion resistance of a self-healing multilayer film based on SiO^sub 2^ and CeO^sub 2^ nanoparticles layer-by-layer assembly on Mg alloys
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