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| 1 | 金属表面溶胶-凝胶防腐蚀涂层的研究进展显示文摘在各种防腐蚀的方法中,溶胶-凝胶法是一种操作简单、环境友好、成本低廉的表面涂层制备技术,被广泛应用于许多金属材料表面的腐蚀防护上。简单地介绍了溶胶-凝胶法的基本原理以及易改性、易控温、无污染的优点,重点阐述了影响涂层耐腐蚀性能的相关工艺参数,包括水解温度、p H值、陈化时间、反应物浓度、热处理温度等。详细综述了溶胶-凝胶法制备防腐蚀涂层工艺的特点与研究现状,经过单一无机氧化涂层到多元复合涂层的发展,涂层的性能得到提升,应用范围更加广泛。介绍了溶胶-凝胶涂层的3个防腐蚀机理,包括屏蔽作用、缓蚀钝化作用、牺牲阳极保护作用,阐述了涂层的防腐蚀机制,为研究新的防腐蚀工艺提供理论基础。最后,总结了目前防腐蚀涂层研究过程中所遇到的困难,并展望了可能的解决方法,为未来的研究提供了发展方向。 | 聂志云 刘继华 张有为 周涛 答建成 杨涛 | 2015 | 表面技术2015，44，6： | 11 |
| 2 | Corrosion Resistance of AZ91 Mg Alloy Modified by High-Current Pulsed Electron Beam显示文摘The high-current pulsed electron beam(HCPEB) treatment with current density 6 J/cm^2 was applied on AZ91 Mg alloy to improve its corrosion resistance. Results showed that the net-like Mg_(17)Al_(12) disappeared on the surface of AZ91 Mg alloy after irradiation by HCPEB, which was instead of supersaturated Al element on the surface. Nevertheless, the application of HCPEB also led to the formation of crater-like and groove-like structures as well as micro-cracks on the surface of AZ91 Mg alloy. After HCPEB treatment by 3, 5 and 10 pulses, the AZ91 Mg alloy exhibited better corrosion resistance.However, the increasing amount of micro-cracks reduced the anti-corrosive properties of AZ91 Mg alloy as the pulse increased to 20 and 30. | Peng-Peng Wu Kun-Kun Deng Kai-Bo Nie Zhong-Zhong Zhang | 2019 | Acta Metallurgica Sinica(English Letters)2019，32，2： | 3 |
| 3 | Effect of solution concentration on sealing treatment of Mg-Al hydrotalcite film on AZ91D Mg alloy显示文摘Cerium-based sealing treatment was developed for Mg-Al hydrotalcite film on AZ91D Mg alloy,and the influence of cerium salt solution was investigated to modify the surface integrity and corrosion resistance.Scanning electron microscope(SEM)and X-ray diffraction(XRD)measurements were carried out to analyze the surface morphology and phase composition.The corrosion resistance of Mg-Al hydrotalcite film after sealing treatment was evaluated by the polarization curve and electrochemical impedance spectroscopy(EIS)tests.The results showed that lower concentration of Ce-containing solution was beneficial to seal the micro-cracks on Mg-Al hydrotalcite film,and improve the surface integrity and corrosion resistance;higher concentration of Ce-containing solution could seal fewer micro-cracks,and the corrosion resistance was decreased owing to the disintegration of Mg-Al hydrotalcite film. | Qiangsheng Dong Zhixin Ba Yongqiang Jia Yongjun Chen Xiaoyu Lv Xiaobo Zhang Zhangzhong Wang | 2017 | Journal of Magnesium and Alloys2017，5，3： | 2 |
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