| XIAO Ming-ying,WANG Yin-zhen,QIN Qing-bin,FAN Zhen-hong.The Analysis of the Microstructure and Bond Strength of the Coatings Sprayed using Heterogeneity Particles at the Same time[J],36(2):9-11 |
| The Analysis of the Microstructure and Bond Strength of the Coatings Sprayed using Heterogeneity Particles at the Same time |
| Received:November 08, 2006 Revised:April 10, 2007 |
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| DOI： |
| KeyWord:Compound coatings Spraying at the same time HVOF Coating structure Bond strength |
| Author | Institution |
| XIAO Ming-ying |
China University of Petroleum, Dongying , China |
| WANG Yin-zhen |
China University of Petroleum, Dongying , China |
| QIN Qing-bin |
China University of Petroleum, Dongying , China |
| FAN Zhen-hong |
China University of Petroleum, Dongying , China |
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| Abstract: |
| Choosing Cr3C2-NiCr powder, Ni-coated MoS2 powder, Ni60 powder and the mixture of the three, and using HVOF technology to prepare the coating sample. The microstructure and bond strength of the coatings were studied. The results indicate that compared with spraying single particle, spraying heterogeneity particles at the same time is easier to form holes which made the microstructure of coatings loosen and the bond strength of the coatings decline; the bond strength of the coatings which were sprayed using heterogeneity particles at the same time have some thing to do with the proportion of the heterogeneity particles. |
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