Corrosion Resistance of Plasma Sprayed Ceramic Composite Coatings on Q235 Substrate |
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| Authors: | Dianran YAN Jining HE XiangZhi LI Yangai LIU Yu ZHOU Dechang JIA |
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| Affiliation: | School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China... |
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| Abstract: | The corrosion resistance of SiO2/A12O3, TiO2/Al2O3 and (SiO2+TiO2)/Al2O3 ceramic composite coatings on Q235 substrate fabricated by means of plasma spraying was investigated. The results show that A12O3+13 wt pct TiO2 ceramic coating has the highest density, the lowest connected porosity and the best corrosion resistance. The corrosion mechanism of Q235 with ceramic coating has also been studied. |
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