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Surface Modification with Micro-arc Oxidation
2019Micro-arc oxidation (MAO) is one of the methods of surface modification of metal substrates and is a relatively simple procedure. The MAO surface is suitable for biomaterials because of its rough complex geometry and the ability to incorporate various ions.
Akiko Nagai +2 more
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Micro-arc oxidation coatings on Mg-Li alloys
Rare Metals, 2009Micro-arc oxidation (MAO) method was used for the surface modification of an Mg-5wt.%Li alloy. Ceramic coatings were in-situ fabricated on the Mg-Li alloy. The morphology feature, phase composition, and corrosion-resistance of the formed ceramic coatings were studied by SEM, XRD, and electrochemical methods, respectively.
Yongjun Xu +4 more
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Constitutive relations of micro-arc oxidation coated aluminum alloy
Surface and Coatings Technology, 2021Abstract The stress and displacement of the coating and substrate were analyzed according to the constructive relations of the micro-arc oxidation (MAO) coated aluminum alloy. Effect of the yielding of the interlayer and substrate on the constructive relations was explored.
Weibing Dai +5 more
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Method of micro-arc oxidation load characteristics measurement
2013 IEEE 11th International Conference on Electronic Measurement & Instruments, 2013To obtain the Micro-arc oxidation (MAO) process load characteristics, realize the online measurement, Micro-arc oxidation load characteristics online measurement system is designed by frequency response technology in this paper. Sine wave voltage excitation whose mode is frequency sweeping, series operation with micro-arc oxidation DC source.
Liu Hongyang +3 more
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Recent Patents of Micro-arc Oxidation Technology
Recent Patents on EngineeringAbstract: Micro-arc oxidation (MAO) is a new surface treatment technology that can improve wear resistance, corrosion resistance, high voltage insulation, and other metal properties. Therefore, this technology is widely used in automobile manufacturing, aerospace, ship anti-corrosion, medical equipment, sewage treatment, and other fields.
Mengchen Yuan, Zhaolong Li
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Study of Micro-Arc Oxidation Process in Magnesium Surface
Applied Mechanics and Materials, 2012This study selected sodium silicate, sodium fluoride, glycerol hydroxyl acid, potassium hydroxide and phosphine oxide (LAP) as the stabilizer electrolyte, and then on micro-arc oxidation of magnesium with constant current density. The microstructure, corrosion resistance, chemical composition, structure and characterization of micro-arc oxidation film ...
Ze Min Chen, Pin Lu, Qiu Hong Dong
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Study of Scanning Micro-arc Oxidation and Coating Development
Journal of Materials Engineering and Performance, 2017Micro-arc oxidation (MAO) continues to be the focus of numerous investigations, whereas relatively few studies have considered scanning micro-arc oxidation (SMAO). In the present work, an experimental study was performed using stationary and moving electrodes to investigate coating development in SMAO and discern the effect of key process parameters ...
Lingqin Xia +4 more
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Surface modification of biomedical tantalum by micro-arc oxidation
Materials Technology, 2016Tantalum (Ta) is well known for its excellent workability, fatigue resistance and fracture toughness. However, it does not show bone-bonding ability (i.e. bioactivity). In the present work, porous Ta-oxide films incorporating calcium (Ca) and phosphorus (P) were prepared on pure Ta by micro-arc oxidation (MAO) in an electrolyte containing calcium ...
Quan-ming Zhao +3 more
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Synthesis of nanocrystalline titania films by micro-arc oxidation
Materials Letters, 2002Abstract Nanocrystalline titania films were synthesized by micro-arc oxidation of titanium substrates in an electrolytic solution using a pulsed power supply. X-ray diffraction (XRD) indicated that the deposited films consisted of a high crystalline anatase phase.
Yong Han, Seong-Hyeon Hong, Kewei Xu
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Strontium doped hydroxyapatite film formed by micro-arc oxidation
Materials Science and Engineering: C, 2009Abstract A porous strontium-doped hydroxyapatite (Sr-HA) film was prepared on titanium substrates by an electrochemical oxidation method, i.e. micro-arc oxidation (MAO). The reaction was processed using a pulse power supply with titanium substrate acted as the anode in electrolytic solution containing calcium acetate, strontium acetate and β-glycerol
Kaihui Nan +5 more
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