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In vitro degradation of AZ31 magnesium alloy coated with nano TiO2 film by sol-gel method |
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| Authors: | Junhua Hu Caili ZhangBaohong Cui Kuifeng BaiShaokang Guan Liguo WangShijie Zhu |
| Affiliation: | a Research Center for Materials, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002, PR China b School of Civil and Architecture Engineering, Zhongyuan Institute of Technology, Zhengzhou 450007, PR China c Graduate School of Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8011, Japan |
| Abstract: | A nano TiO2 film was coated on AZ31 alloy substrate by sol-gel method. The TiO2 film was characterized by X-ray diffractometry (XRD), differential scanning calorimetry-thermogravimetric analysis (DSC-TG), field emission scanning electron microscopy (FE-SEM) and energy dispersion spectroscopy (EDS). The degradation of the nano-TiO2 coated alloy was evaluated by immersion test and electrochemical measurement. An attempt was made to relate corrosion of coated alloys with the annealing treatment and resultant structural evolution. |
| Keywords: | 81.65.Kn 81.15.&minus z 81.20.Fw |
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