Results 31 to 40 of about 2,416,139 (198)

Effect of Content of Graphene on Corrosion Behavior of Micro-Arc Oxidation Coating on Titanium Alloy Drill Pipe

International Journal of Electrochemical Science, 2020
To improve the corrosion resistance of titanium alloy drill pipe, graphene particles was added into the electrolyte and micro-arc oxidation composite coating was formed with different graphene contents on the surface of TC4 titanium alloy.
Xiaowen Chen, Dandan Liao, Defen Zhang, Xuan Jiang, Pengfei Zhao, Ruosi Xu   +5 more
doaj   +1 more source

An oxide coating impedance measurement during micro-arc oxidation

Journal of Physics: Conference Series, 2021
Abstract The impedance instrument converter of oxide layers formed by micro-arc oxidation (MAO) is developed. It allows continuous non-destructive testing of electric parameters of the synthesized coatings (resistance and capacitance) and electrolyte conductivity to assess the degree of degradation. The instrument converter consists of a
P E Golubkov, E A Pecherskaya, O V Karpanin, O A Melnikov, A V Pecherskiy, O A Timokhina   +5 more
openaire   +1 more source

Effect of Neodymium Oxide on Properties of Micro - Arc Oxidation Coating Formed on 2A12 Aluminium Alloy [PDF]

Cailiao Baohu, 2022
In the electrolyte containing Nd2O3 particles with different concentrations, the micro - arc oxidation technology was used to prepare the coatings on the surface of 2A12 aluminum alloy.
HU Jie, ZHAO Yue, TAO Ye - cheng, CHEN Qian, NA Ri - su, LI Ye, LANG Hui - zhen, WANG Ping
doaj   +1 more source

Influence of micro-arc oxidation on the microstructure and dielectric properties of anodic aluminum oxide. [PDF]

Sci Rep
To improve the dielectric performance of the anodic alumina film used in aluminum electrolytic capacitors, this study comparatively investigated the microstructure and dielectric properties of anodic aluminum oxide obtained through micro-arc oxidation (MAO) and conventional anodic oxidation (CAO). It is found that from the perspective of microstructure,
Qin L, Fu Z, Liu L, Han X, Ma J, Li B, Zhu X.   +6 more
europepmc   +4 more sources

Study on Microstructure and Properties of Aa7075 Coated by Micro Arc Oxidation

Journal of Materials Research and Technology, 2023
Effect of ageing temperature on the properties of 7075 aluminum alloy coated by micro arc oxidation (MAO) technology has been investigated. The precipitates formed at various ageing temperatures are observed by transmission electron microscope (TEM), which would significantly influence the properties of the MAO coating.
Xing Qi, Bo Jiang, Ziqiu Jiang, Yafeng He, Renguo Song   +4 more
openaire   +2 more sources

Microstructure and Wear Properties of Micro Arc Oxidation Ceramic Coatings. [PDF]

Materials (Basel), 2020
The interaction effect of micro arc oxidation (MAO) parameters on the microstructure and wear properties was investigated. The results showed that the electric current and oxidation time significantly influenced the thickness and grinding crack width of the ceramic coatings within the range of the selected parameters, and the interaction effect of the ...
Qi X, Shang H, Ma B, Zhang R, Guo L, Su B.   +5 more
europepmc   +4 more sources

Micro Arc Oxidation Coating Parameter-Property Relationship

, 2021
Micro arc oxidation coatings were produced on AA7075 (UNS A97075) substrates using various process parameters. The study aimed to improve the surface characteristics of the alloy. Thickness, hardness, and roughness measurements characterized the coatings.
Yılmaz, Mustafa Safa, Şahin, Orhan, Özer, Gökhan, Karaaslan, Ahmet   +3 more
core   +1 more source

Effects of Constant Current and Constant Voltage Interaction on the Microstructure and Properties of Micro - Arc Oxidation Ceramic Coatings Formed on 6063 Aluminum Alloy [PDF]

Cailiao Baohu, 2022
In order to study the effect of different micro - arc oxidation (MAO) modes on the properties of MAO ceramic coatings on 6063 aluminum alloy, four micro - arc oxidation modes (constant voltage, constant current, constant current first and then constant ...
GE Han, JIANG Bo, WANG Chao, SONG Ren - guo
doaj   +1 more source

Measurement of oxide coating thickness in the micro-arc oxidation process

Journal of Physics: Conference Series, 2020
Abstract The requirements to methods for measuring the oxide coatings thickness are formulated, allowing measurements to be carried out directly in the process of their formation in real time, which is a necessary condition for the controlled synthesis of coatings with desired properties.
P E Golubkov, E A Pecherskaya, T O Zinchenko, V A Baranov, G V Kozlov, Y V Shepeleva   +5 more
openaire   +1 more source

Analysis of High Temperature Motors With Micro-Arc Oxidation Ceramic Insulated Wire

IEEE Access, 2023
The use of organic insulation in the motor has insulation temperature limitations, which limit its usage and further increase its power density. In response to this issue, this paper proposes a high-temperature resistant motor with the micro-arc ...
Wang Lianke, Fu Dongshan, Wang Xiangrui, Zhou Yong, Si Hongyu, Geng Yingsan, Lei Li, Xiang Bo   +7 more
doaj   +1 more source