Study on Formation of Hybrid-Functionality Materials Produced by High Energy Plasma Spraying

本文研究了高能等离子喷涂制备杂化功能材料的过程。主要研究结果如下：1)研究了气道式等离子喷涂制备的高硬度氧化铝涂层，阐明了高硬度氧化铝涂层的混杂功能。通过对涂层结构和性能的研究，证明了该涂层具有混杂功能。3)讨论了喷涂涂层与衬底碰撞的变形模型，并用该理论对实验结果进行了解释。4)研制了磁等离子体动态电弧射流制备陶瓷涂层，并对其性能进行了研究。探讨了其在陶瓷涂层制备中的应用。5)作为一种混杂功能材料，采用等离子喷涂技术研制了高阻尼材料，并对其性能进行了研究。发现氧化铝涂层的主要振动频率向高频方向移动。6)获得了Hv=1200的渗硼涂层，并对涂层的力学性能和腐蚀性能进行了研究。除上述个别研究外，还召开了三次等离子喷涂杂化功能材料研究会议，出版了《等离子喷涂杂化功能材料》三卷(第1卷至第3卷)。

In this study, the formation of hybrid-functionality materials produced by a high energy plasma spraying was investigated. The results obtained are as follows :1) The high hardness alumina coating produced by a gas tunnel type plasma spraying, had been investigated and the hybrid-functionality of this high hardness alumina coating was clarified.2) The high hardness zirconia coating was also obtained by this gas tunnel type plasma spraying. The coating structure and coating properties were investigated to prove the hybrid-functionality of this coating. The relation between the Vickers hardness and the wear resistance of those zirconia coatings was clarified.3) The deformation model of sprayd perticle colliding on the substrate was discussed, and the experimental results were explained with this theory.4) Magneto-plasma dynamic arc jets to produce ceramics coatings was developed and its performance was investigated. The application to the formation of ceramics coatings was discussed.5) As a hybrid-functionality material, the high damping material was developed by plasma spraying and the characteristics were investigated. It was found that for alumina coating the dominant vibration frequency shifted toward high frequency.6) The boride coating of Hv=1200 was obtained and the mechanical and corrosion properties of this coating were studied. The other investigations on the formation of hybrid-functionality materials including electronic functionality materials by plasma spraying were carried out.In addition to above individual study, the research meeting on hybrid-functionality materials by plasma spraying were held three times, and the journal, "Hybrid-Functionality Materials by Plasma Spraying" was issued three volumes (Vol.1 to Vol.3).