| 水热条件下Mg-3Nd-Zn-Zr合金化学转化膜的研究 |
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| 引用本文： | 张满意,郭兴伍,杨海燕,王渠东,丁文江.水热条件下Mg-3Nd-Zn-Zr合金化学转化膜的研究[J].腐蚀科学与防护技术,2011(3):233-238. |
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| 作者姓名： | 张满意 郭兴伍 杨海燕 王渠东 丁文江 |
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| 作者单位： | 上海交通大学轻合金精密成型国家工程研究中心;上海交通大学金属基复合材料国家重点实验室; |
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| 基金项目： | 国家自然科学基金项目(50674067); 国家高技术研究发展计划项目(2009AA033501)资助 |
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| 摘 要： | 采用水热法在Mg-3Nd-Zn-Zr合金表面制备无铬化学转化膜,研究了乙酸钠对膜层的影响.用场发射扫描电镜、X射线衍射、电化学测试方法分别研究了转化膜的形貌、相组成和耐蚀性能.结果表明,转化膜主要由球形颗粒状和层片状的Mg(OH)2相、以及少量含Si的非晶化合物组成;适量的乙酸钠能促进球形颗粒状和层片状Mg(OH)2发...
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| 关 键 词： | 水热条件 Mg-3Nd-Zn-Zr合金 化学转化 乙酸钠 |
Performance of Chemical Conversion Film on Mg-3Nd-Zn-Zr Alloy Prepared by Hydrothermal Treatment |
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| ZHANG Man-yi,GUO Xing-wu .National Engineering Research Center of Light Alloy Net Forming,Shanghai Jiaotong University,Shanghai ,.State Key Laboratory of Metal Matrix Composites.Performance of Chemical Conversion Film on Mg-3Nd-Zn-Zr Alloy Prepared by Hydrothermal Treatment[J].Corrosion Science and Protection Technology,2011(3):233-238. |
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| Authors: | ZHANG Man-yi GUO Xing-wu National Engineering Research Center of Light Alloy Net Forming Shanghai Jiaotong University Shanghai State Key Laboratory of Metal Matrix Composites |
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| Affiliation: | ZHANG Man-yi~(1,2),GUO Xing-wu~(1,YANG Hai-yan~(1,WANG Qu-dong~(1,DING Wen-jiang~(1,2) 1.National Engineering Research Center of Light Alloy Net Forming,Shanghai Jiaotong University,Shanghai 200240,2.State Key Laboratory of Metal Matrix Composites |
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| Abstract: | A chrome-free chemical conversion film for Mg-3Nd-Zn-Zr alloy by hydrothermal process was studied.The effect of CH_3COONa on the properties of the films was then examined. The surface morphology,microstructure and corrosion resistance of the films were characterized by FE-SEM,XRD and electrochemical testing method.The results show that the conversion films mainly consist of granular particles and flakes of Mg(OH)_2 phase.A few of amorphous compounds containing Si also are found in the films.Moderate CH_3COO... |
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| Keywords: | hydrothermal condition Mg-3Nd-Zn-Zr alloy chemical conversion CH_3COONa |
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