| WANG You.Review and Prospects for 20-year Development of Thermal Sprayed Nanocoatings[J],45(9):1-9 |
| Review and Prospects for 20-year Development of Thermal Sprayed Nanocoatings |
| Received:February 04, 2016 Revised:September 20, 2016 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2016.09.001 |
| KeyWord:thermal spray nano-powder regranulation process nanocoatings |
| Author | Institution |
| WANG You |
Department of Materials Science, Harbin Institute of Technology, Harbin , China |
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| Abstract: |
| The work briefly described the development of thermal sprayed nanocoatings including the fabrication of thermal sprayed nanostructured coatings by using reconstituted nano-powders, the research and development, industrialization and successful application of thermal sprayed nanostructured alumina/titania coating materials, the process of accidentally getting thermal sprayed nanostructured self-lubricating coating, the research and development of liquid material thermal sprayed nanostructured thermal barrier coatings as well as a novel thermal sprayed nanostructured thermal barrier coating material and the like. It also prospected the applications of thermal sprayed nano-coating technology in defense and civil use. As estimated, by 2025, the global thermal spray nano-coating market would reach $ 6.5 billion, of which about 20% market share would be held by China. Finally, it pointed out that regranulation with nano-powder could regulate composition and structure of sprayable powder feedstock in microscale and form thermal sprayed nanocoatings with all kinds of required performances. Nanomaterials could be used to prepare novel high-performance thermal sprayed nanocoatings which could not be obtained with conventional materials, in order to meet a variety of surface performance requirements necessary for advanced equipment key components. Therefore, through cooperation and innovation of government administration, production, study, research and application, it is necessary to accelerate the industrialization of sprayable nanostructured powder feedstock and develop high-performance thermal sprayed nanostructured coatings. |
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