首页|Design and fabrication of enhanced corrosion-resistant LDH-Zn-G/Ni dual-layer structural coatings on magnesium alloys

Design and fabrication of enhanced corrosion-resistant LDH-Zn-G/Ni dual-layer structural coatings on magnesium alloys

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  • NSTL
  • Elsevier
? 2022 Elsevier B.V.A particular dual-layer structure of reinforced anti-corrosion magnesium aluminum-layered double hydroxide-Zn-G/Ni coating (LDH-ZGN), grown in situ the magnesium aluminum-layered double hydroxide coating (LDH) on the surface of the magnesium alloy, and a Zn-G/Ni composite coating was deposited on the LDH coating by low-pressure cold gas spraying (LPCGS). The LDH-ZGN was characterized by XRD, XPS, SEM, EDS, etc. The coating's corrosion protection and enhancement effect were explored through the electrochemical test of polarization curve, EIS, and coating immersion test. LDH-ZGN exhibited excellent corrosion resistance, mainly attributed to the synergy between reduced graphene oxide (rGO) and magnesium aluminum-layered double hydroxides (MgAl-LDH) and the enhancement effect of the coating under the particular dual-layer structure.

Corrosion resistanceGrapheneLayered double hydroxidesLow-pressure cold sprayMagnesium alloys

Shen G.、Zhang L.、Wu W.、Gu Z.、Liu S.、Jie X.、Tan G.、Wu H.

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School of Materials and Energy Guangdong University of Technology

State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment Guangdong University of Technology

Materials Science and Engineering Dongguan University of Technology

2022

10.1016/j.jallcom.2022.165475

Journal of Alloys and Compounds

Journal of Alloys and Compounds

EISCI
ISSN：0925-8388
年,卷(期)：2022.917
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