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  • 文献标题:   A self-healing corrosion protection coating with graphene oxide carrying 8-hydroxyquinoline doped in layered double hydroxide on a micro-arc oxidation coating
  • 文献类型:   Article
  • 作　　者:   CHEN YN, WU L, YAO WH, CHEN YH, ZHONG ZY, CI WJ, WU JH, XIE ZH, YUAN Y, PAN FS
  • 作者关键词:   microarc oxidation, layered double hydroxide, 8hydroxyquinoline, graphene oxide, selfhealing, corrosion protection
  • 出版物名称:   CORROSION SCIENCE
  • ISSN:   0010-938X EI 1879-0496
  • 通讯作者地址:  
  • 被引频次:   64
  • DOI:   10.1016/j.corsci.2021.109941 EA NOV 2021
  • 出版年:   2022

▎ 摘　　要

The fabrication of remarkable self-healing coatings is the key to achieving excellent anti-corrosion of magnesium (Mg) alloys. In this research, 8-hydroxyquinoline@graphene oxide (8-HQ@GO) composite was successfully synthesized through ring-opening reaction and a micro-arc oxidation (MAO) coating was grown on AZ31 beforehand. Afterwards, the 8-HQ@GO composite was doped into the layered double hydroxides (LDHs) sheet by hydrothermal chemical transformation based on the MAO coating without introducing any kind of salts. The incorporation of 8-HQ@GO composite and Mg-Al LDHs sheets can distinctly boost the corrosion resistance of AZ31 alloy. The self-healing performance and the anti-corrosion mechanism of MAO-LDHs/HG coating are discussed.