| LI Da-guang,HUANG Lin-yuan,HE Xiang-zhu,FU Wei-qin,ZHOU Xin-li.Structure and Corrosion Behavior of Electrodeposited Cr-Fe-ZrO2Composite Coatings[J],39(3):13-15,51 |
| Structure and Corrosion Behavior of Electrodeposited Cr-Fe-ZrO2Composite Coatings |
| Received:January 18, 2010 Revised:June 10, 2010 |
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| DOI： |
| KeyWord:electrodeposition Cr-Fe-ZrO2 composite coating structure corrosion resistance |
| Author | Institution |
| LI Da-guang |
Guangdong University of Technology, Guangzhou , China |
| HUANG Lin-yuan |
Guangdong University of Technology, Guangzhou , China |
| HE Xiang-zhu |
Guangdong University of Technology, Guangzhou , China |
| FU Wei-qin |
Guangdong University of Technology, Guangzhou , China |
| ZHOU Xin-li |
Guangdong University of Technology, Guangzhou , China |
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| Abstract: |
| New Cr-Fe-ZrO2composite coating was prepared by composite electrodeposition technology. The morphology, composition, structure and corrosion resistance of the coatings were systematically characterized by means of SEM, EDS, X-ray diffraction and Tafel methods. The results show that when the mass composition of the obtained Cr-Fe-ZrO2composite coating is O 9.35%, Cr 49.98%, Fe 31.51%, and Zr 6.66%, the crack condition of Cr-Fe alloy coating is improved markedly by the dispersion strengthening effect of the ZrO2particle.Meanwhile, the composite coatings present amorphous characteristics. In comparison with Cr-Fe alloy coatings, the corrosion resistance of Cr-Fe-ZrO2 composite coating is enhanced evidently in 0.5 mol/ L H2SO4solutions at room temperature. |
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