| CHEN Xiao-lei,WU Bin,LIU Yang,BAI Xue-lian,ZHANG Wei.Effects of Loading on Corrosion-wear Synergism of Nickel-based Nanometer SiC Coatings[J],(2):82-85 |
| Effects of Loading on Corrosion-wear Synergism of Nickel-based Nanometer SiC Coatings |
| Received:October 11, 2011 Revised:April 20, 2012 |
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| DOI： |
| KeyWord:nano-particles coatings corrosive wear synergism |
| Author | Institution |
| CHEN Xiao-lei |
Army Officer Academy, Hefei , China |
| WU Bin |
Army Officer Academy, Hefei , China |
| LIU Yang |
Army Officer Academy, Hefei , China |
| BAI Xue-lian |
Army Officer Academy, Hefei , China |
| ZHANG Wei |
Army Officer Academy, Hefei , China |
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| Abstract: |
| The wear experiments of nickel-based nano-SiC coatings in 5%H2SO4 solution and under different loadings were studied. Each component of the weight loss of corrosive wear was calculated by using the electrochemical experiments and weight-loss method. The results show that synergism between the corrosion and wear is a main factor which affects the weight loss of coatings with increasing the applied loading, and corrosion promoting wear plays a key role during the synergism processing. When the applied loading of 100 N and 300 N are given, passivation films don't appear on the coatings during the wear processing; When the applied loading of 200 N is given, passivation films appear and they are broken quickly by friction, thus inducing corrosion, new films appear again, which is confirmed by polarization curves and surface micro-morphologies of corrosive wear. |
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