| WANG Qun,DING Zhang-xiong,CHEN Zhen-hua,ZHANG Shi-ying,LI Xue-qian,WU Wei-dong.Research Progress on Nanostructured Coatings Deposited by High Velocity Oxy-fuel Thermal Spraying[J],36(2):42-46 |
| Research Progress on Nanostructured Coatings Deposited by High Velocity Oxy-fuel Thermal Spraying |
| Received:November 14, 2006 Revised:April 10, 2007 |
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| DOI： |
| KeyWord:HVOF Nanostructured coatings Thermal spray Nano material Powder material |
| Author | Institution |
| WANG Qun |
College of Materials Science and Engineering, Hunan University, Changsha , China |
| DING Zhang-xiong |
College of Energy & Power Engineering, Wuhan University of Science and Technology, Wuhan , China |
| CHEN Zhen-hua |
College of Materials Science and Engineering, Hunan University, Changsha , China |
| ZHANG Shi-ying |
Department of Biological Engineering and Environmental Science, Changsha University, Changsha , China |
| LI Xue-qian |
College of Materials Science and Engineering, Hunan University, Changsha , China |
| WU Wei-dong |
College of Materials Science and Engineering, Hunan University, Changsha , China |
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| Abstract: |
| Featured with very high particle velocities and relatively low particle temperatures as compared to those in the plasma spray process and other oxy-fuel thermal spray, the HVOF thermal spray provides a efficient way to produce higher adhesion dense coatings. The nanometer materials has greatly changed material properties of electronics, mechanics, magnetics, thermodynamics and optics due to their unique surface, volume and quantum size effects. Further development of nanaomaterials technology will be focused on their engineering application. The thermal spraying process is considered as a most promising method for fabricating nanostructured materials. Great progress of fabricating nanostructured by HVOF has been made according to the situation home and abroad. From domestic to foreign literatures, the research present of nanostructured coating prepared by HVOF was analyzed, the forming and combination mechanism of nanostructured coatings were also elaborated, and the existent question using HVOF thermal spray was pointed out. The bright prospect of fabricating nanostructured coatings by HVOF was preconceived. |
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