... cleaning was performed in ethanol and deionized water for 10 min, respectively, with rinsing after each step. Finally, the sample was dried in an oven at 50°C and set aside for further. Magnesium alloy Micro-arc oxidation Covalent organic framework Composite coating Anti-corrosion...

...Feng Zhou; S. S. Lu; B. Jiang; R.G. Song Purpose This study aims to study the formation mechanism of micro-arc oxidation (MAO) coating on AZ31 magnesium alloy and how the annealing process affects its corrosion resistance. Design/methodology/approach This study involved immersion experiments...

...Song Tang; Xiaowen Chen; Defen Zhang; Wanlin Xie; Qingzheng Ran; Bin Luo; Han Luo; Junwei Yang Purpose The purpose of this study is to investigate the influence of varying concentrations of nano-SiO₂ particle doping on the structure and properties of the micro-arc oxidation (MAO...

...Xiaowen Chen; Wanlin Xie; Song Tang; Meng Zhang; Hao Song; Qingzheng Ran; Defen Zhang Purpose The purpose of this study is to examine the impact of MoS₂ on the microstructure and characteristics of micro-arc oxidized (MAO) ceramic coatings created on ZK60 magnesium alloy through...

...Y.F. Shu; B. Jiang; C. Wang; R.G. Song Purpose The purpose of this paper is to study the effects of voltage on microstructure and properties of micro-arc oxidation (MAO) ceramic coatings formed on AZ31B magnesium alloy under the constant current–constant voltage operation mode. Design...

...Dalei Zhang; Xinwei Zhang; Enze Wei; Xiaohui Dou; Zonghao He Purpose This study aims to improve the corrosion resistance of TA2-welded joints by superhydrophobic surface modification using micro-arc oxidation technology and low surface energy substance modification. Design/methodology/approach...

...Yuting Lv; Jiawei Guo; Weimin Huang; Yaojie Liu; Wentao Liu; Guijiang Wei Purpose The purpose of this paper is to improve the bioactivity of variable gradient TC4 porous scaffolds prepared by selective laser melting (SLM) through the micro-arc oxidation (MAO) technique. Design/methodology...

.../Micro-arc oxidation coating still had high corrosion resistance compared to the MAO coating. Originality/value The physical model of the local corrosion mechanism for SiC/MAO composite coating in “cavity-fracture collapse” mode was proposed. Figure 3 XRD results of MAO coating and SiC/MAO...

...J. Li; R.G. Song; X. Qi; C. Wang; B. Jiang Purpose The purpose of this is to study the effects of organic sealing on the structure and performance of the micro-arc oxidation (MAO) film of 7075 aluminum alloy. Design/methodology/approach The 7075 aluminum alloy was treated by micro-arc...

...Yuanhang Yang; Gang Feng; Yanhong Gu; Jie Zhao; Jian Liang Purpose Aluminum alloy is susceptible to chloride ion attack in sea water, resulting in pitting damage and hence serious security risks for the related applications. To improve the corrosion resistance of Al alloy, micro-arc oxidation (MAO...

...Zhaowei Su; Rui Mu; Yonghui Cui; Hongda Zhu; Xuetian Li; Zhongcai Shao Purpose The purpose of this paper is to prepare composite micro-arc oxide coatings with better wear resistance and corrosion resistance. Design/methodology/approach A nickel powder composite micro-arc oxide film...

... attributed to the repression of hydrogen permeation and the additional coating-induced compressive stress. Originality/value It is proven that the micro-arc oxidation (MAO) coating does inhibit hydrogen entry into the alloy, and the stress induced by the MAO coating is compressive stress, which can...

...Y. Zong; G.P. Cao; T.S. Hua; S.W. Cai; R.G. Song Purpose This paper aims to investigate the effects of different electrolyte systems on the properties of micro-arc oxidation coating on 7050 high strength aluminum alloy. Design/methodology/approach The coatings were prepared in silicate system...