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首页> 外文期刊>Journal of Materials Science >Preparation and performance of a novel multifunctional plasma electrolytic oxidation composite coating formed on magnesium alloy
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Preparation and performance of a novel multifunctional plasma electrolytic oxidation composite coating formed on magnesium alloy

机译：镁合金上新型多功能等离子体电解氧化复合涂层的制备与性能

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摘要

Plasma electrolytic oxidation (PEO) in an alkaline phosphate electrolyte was used to produce a novel multifunctional polytetrafluoroethylene (PTFE)-containing oxide composite coatings on AM60B magnesium alloys. The composition and microstructure of the PTFE-containing PEO coatings were analyzed by X-ray photoelectron spectroscope (XPS), X-ray diffraction (XRD), and scanning electron microscope (SEM). The electrochemical corrosion behavior, tribological properties, and wetting properties of the PTFE-containing PEO composite coatings were evaluated using potentiodynamic polarization measurements, a reciprocating ball-on-disk tribometer, and a contact angle meter, respectively. Results show that the PTFE-containing PEO composite coatings exhibited superior corrosion resistance, excellent self-lubricating property, and better hydrophobic property when compared with pure PEO coatings, and will be the attractive advanced materials for a wide range of functional applications.
机译：碱性磷酸电解质中的等离子电解氧化（PEO）用于在AM60B镁合金上生产新型的含多功能聚四氟乙烯（PTFE）的氧化物复合涂层。通过X射线光电子能谱仪（XPS），X射线衍射（XRD）和扫描电子显微镜（SEM）分析了含PTFE的PEO涂层的组成和微观结构。含PTFE的PEO复合涂层的电化学腐蚀行为，摩擦学性能和润湿性能分别通过电动力极化测量，往复式圆盘摩擦计和接触角仪进行评估。结果表明，与纯PEO涂层相比，含PTFE的PEO复合涂层表现出优异的耐腐蚀性，优异的自润滑性和更好的疏水性，将成为广泛功能应用中有吸引力的先进材料。

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