WeiNan Ji, HongPei Yang, Ping Wang, Hongjian Huang
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Effect of NiSO4 on characteristics of micro-arc oxidation coating formed on TB9 titanium alloy
In order to study the effect of NiSO4 addition on the characteristics of TB9 titanium alloy MAO coating and erosion characteristics, different concentrations of NiSO4 were added to the electrolyte for MAO treatment. Scanning electron microscope, x-ray diffractometer, x-ray photoelectron spectroscopy, electrochemical workstation, and corrosion device were used to study the effect of NiSO4 addition on the morphology, phase composition, corrosion resistance, and erosion characteristics of TB9 titanium alloy MAO coating. The results show that with the increase of NiSO4 addition, the oxidation voltage increases, the surface morphology is uniform and dense, and the thickness, hardness, and wear resistance of the coating are improved. The phase of the MAO coating is mainly composed of anatase, rutile, TixO, and SiO2. The self-corrosion current and corrosion rate of the MAO coating decreased significantly after the addition of NiSO4, and the corrosion resistance was improved. The results of the erosion corrosion experiment show that the 1 g/L NiSO4-modified ceramic coating can provide effective protection for the titanium alloy substrate. The comprehensive performance of the coating is best when the amount of NiSO4 added is 1 g/L.
期刊介绍：
The International Journal of Applied Ceramic Technology publishes cutting edge applied research and development work focused on commercialization of engineered ceramics, products and processes. The publication also explores the barriers to commercialization, design and testing, environmental health issues, international standardization activities, databases, and cost models. Designed to get high quality information to end-users quickly, the peer process is led by an editorial board of experts from industry, government, and universities. Each issue focuses on a high-interest, high-impact topic plus includes a range of papers detailing applications of ceramics. Papers on all aspects of applied ceramics are welcome including those in the following areas:
Nanotechnology applications;
Ceramic Armor;
Ceramic and Technology for Energy Applications (e.g., Fuel Cells, Batteries, Solar, Thermoelectric, and HT Superconductors);
Ceramic Matrix Composites;
Functional Materials;
Thermal and Environmental Barrier Coatings;
Bioceramic Applications;
Green Manufacturing;
Ceramic Processing;
Glass Technology;
Fiber optics;
Ceramics in Environmental Applications;
Ceramics in Electronic, Photonic and Magnetic Applications;
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