Junwei Yang, Xiaowen Chen, Bin Luo, Song Tang, Wanlin Xie, Defen Zhang
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Study on properties of MAO/PCL composite coating on ZK60 magnesium alloy
Microarc oxidation technology enhances magnesium alloy surfaces but faces cracks and micropores. Adding C6H10CaO6 and Ca(OH)2 only partially solves this. This study used immersion pulling to create a microarc oxidation/polycaprolactone composite film, examining its properties and degradation. The film transitioned from smooth to porous with calcium and phosphorus deposits. After 56 days, the Ca/P ratio approached the ideal 1.67, matching the biological environment. The polycaprolactone layer thinned in corrosive media, with hydrogen bubbles and film detachment. Surface sediments included Ca2P2O7 and hydroxyapatite (HA), important for biocompatibility. Cell experiments showed superior adhesion and proliferation on the composite film compared to controls. A degradation model revealed the film's protective role during three stages. In summary, the composite film exhibits excellent surface morphology and composition, promotes cell growth, and protects the magnesium alloy substrate during degradation.
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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