Structure, oxidation resistance and erosion of dc-arc deposited Cr2AlC MAX phase coatings

直流电弧沉积 Cr2AlC MAX 相涂层的结构、抗氧化性和侵蚀性

• 批准号: 248110559
• 负责人: Professor Dr.-Ing. Eckhard Beyer
• 金额: --
• 依托单位: Institut für Werkstoffwissenschaft
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2013
• 资助国家: 德国
• 起止时间: 2012-12-31 至 2016-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/248110559?language=en
• 关键词: Structure; oxidation; resistance; erosion; dc

MAX phase thin films have gained increased attention as promision coating systems for high temperature applications and erosive loads. Due to their nanolaminate structure, MAX phases combine metallic and ceramic properties. The general goal of this study is focussed on knowledge-based fabrication of Cr2AlC MAX phase coatings via dc-Arc-PVD, their microstructure characterization as well as chemical and structural modification to improve oxidation resistance. Erosion tests shall give further information on their suitability for practical applications. Research is particularly focussed on the dependence of MAX phase coating structure on the processing parameters, the effect of coating structure on physical and mechanical/technological properties as well as on the oxidation behavior of Arc-PVD Cr2AlC coatings. Erosion resistance of the coatings will be investigated as well.The work planned will significantly widen the current knowledge of structural aspects of coating formation. Also the work will provide valuable information for future industrial application such as protective coatings in gas turbines or highly loaded electrical contacts. Research work is strongly interactive between the two groups involved.

MAX相薄膜作为用于高温应用和腐蚀性负载的承诺涂层系统获得了越来越多的关注。由于其纳米层压结构，MAX相结合联合收割机金属和陶瓷性能。本研究的总体目标是集中在知识为基础的制造Cr2 AlC MAX相涂层通过直流电弧PVD，其微观结构表征以及化学和结构改性，以提高抗氧化性。侵蚀试验应提供关于其实际应用适用性的进一步信息。研究特别集中在MAX相涂层结构对工艺参数的依赖性，涂层结构对物理和机械/工艺性能的影响，以及对Arc-PVD Cr2 AlC涂层的氧化行为。涂层的耐腐蚀性也将被研究。计划的工作将大大拓宽涂层形成的结构方面的现有知识。这项工作也将为未来的工业应用提供有价值的信息，如燃气轮机或高负荷电接触的保护涂层。研究工作在两个有关群体之间有很强的互动性。