| WU Qing-li,WU Meng-hua,HUANG Shu-tao,LI Zhi,XIA Fa-feng,ZHAO Na.Study on the Performance of Corrosion Resistance of Ultrasonic-electrodeposited Ni-nanoAl2O3 Composite Coatings[J],36(1):1-4 |
| Study on the Performance of Corrosion Resistance of Ultrasonic-electrodeposited Ni-nanoAl2O3 Composite Coatings |
| Received:October 08, 2006 Revised:February 10, 2007 |
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| DOI： |
| KeyWord:Composite coating Ni- nanoAl2O3 Corrosion resistance Ultrasonic wave |
| Author | Institution |
| WU Qing-li |
Mechanical Engineering College, Shenyang University of Science and Technology, Shenyang , China |
| WU Meng-hua |
Department of Mechanical Engineering; Dalian University, Dalian , China |
| HUANG Shu-tao |
Mechanical Engineering College, Shenyang University of Science and Technology, Shenyang , China |
| LI Zhi |
Department of Mechanical Engineering; Dalian University, Dalian , China |
| XIA Fa-feng |
Mechanical Engineering College, Dalian University of Science and Technology, Dalian , China |
| ZHAO Na |
Dalian Hitachi Machinery & Equipment Co., Ltd, Dalian , China |
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| Abstract: |
| Ni-nanoAl2O3 composite coatings were prepared on the 20 steel substrates by ultrasonic-electrodeposited technology. Through the method of the samples constant temperature 25℃ were statically and entirely dipped in the PH=3.5、5% NaCl solution lasting 210h, the effects of pulse current density, duty ratio of pulse, ultrasonic waves, and nanoAl2O3 concentration on the corrosion resistance of nano-composite coatings were deeply studied. Surface morphology and thickness of composite coating were observed and measured by SEM; nano-Al2O3 was ascertained by XRD. |
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