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The effect of Al(OH)3 sol on the growth characteristics, microstructure, phase structure and electrochromic properties of the coating fabricated on titanium alloy substrates were investigated by means of changing the Al(OH)3 sol concentration. The results show that the rate of growth of coating thickness gradually increased from slow to fast with the increasing concentration of Al(OH)3 sol and the roughness and size of micropore on the coating surface gradually increased, while its pore density was reduced. The coating was composed of anatase TiO2 when the volume fraction C≤10%. The rutile TiO2 began to emerge at C>10%, and its relative content gradually increased with the increase of the Al(OH)3 sol concentration. When C=40%, the obtained coating was composed of rutile TiO2. The cyclic voltammetry tests in pH 2.0 HCl solution showed that the color of the sample fabricated at C≤20% did not change significantly, with the increase of the Al(OH)3 sol concentration, the color change of the sample became clear. When C=40%, the obtained sample showed good stability and reversibility between blue coloration and bleaching cycles in pH 2.0 HCl solution.
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Keywords:
- microarc oxidation /
- oxidation coating /
- microstructure /
- electrochromic
[1] Wang J B, Wu H H, Jin Z S, Tang Y G, Chang H 2006 J. Inorg. Mater. 03 0732 (in Chinese) [汪剑波、 吴汉华、 金曾孙、 唐元广、 常 鸿 2006 无机材料学报 03 0732]
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[3] Jin F A, Chu P K, Wang K, Zhao J, Huang A P, Tong H H 2008 Mat. Sci. Eng. A 476 78
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[5] Li Q J, Wu H H, Wang J B, Gu G R, Jin Z S 2006 J. Inorg. Mater. 02 0488 (in Chinese)[李全军、 吴汉华、 汪剑波、 顾广瑞、 金曾孙 2006 无机材料学报 02 0488]
[6] Wang Y M, Jia D C, Guo L X, Lei T Q, Jiang B L 2005 Mater. Chem. Phys. 90 128
[7] Li X J, Cheng G A, Xue W B, Zheng R T, Cheng Y J 2008 Mater. Chem. Phys. 107 148
[8] Tang Y G, Wu H H, Chang H, Chen G Y, Sang Y, Bai Y Z 2009 Acta Phys. Sin. 58 4840 (in Chinese) [唐元广、 吴汉华、 常 鸿、 陈根余、 桑 勇、白亦真 2009 物理学报 58 4840]
[9] Wei D Q, Zhou Y, Wang Y M, Jia D C 2007 Appl. Surf. Sci. 253 5045
[10] Shi X L, Wang Q L, Wang F S, Ge S R 2009 Mining Science and Technology 19 0220
[11] Xu Y J, Yao Z P, Jia F Z, Wang Y L, Jiang Z H, Bu H T 2010 Curr. Appl. Phys. 10 698
[12] Sun X T, Jiang Z H, Xin S G, Yao Z P 2005 Thin Solid Films 471 194
[13] Wang Y M, Lei T Q, Jiang B L, Guo L X 2004 Appl. Surf. Sci. 233 258
[14] Wang J B, Wu H H, Li Q J, Li Z K, Gu G R, Lu X Y, Zheng W T, Jin Z S 2005 Chin. Phys. 14 2598
[15] Zhang R H, Shan D Y, Chen R S, Han E H 2007 T. Nonferr. Metal. Soc. 10 1577 (in Chinese) [张荣发、 单大勇、 陈荣石、 韩恩厚 2007 中国有色金属学报 10 1577]
[16] Chen G Y, Wu H H, Li Y, Chang H, Tang Y G 2010 Acta
[17] Sundararajan G, Rama Krishna L 2003 Surf. Coat. Technol. 167 269
[18] Wang Y M, Jiang B L, Lei T Q 2004 Mater. Lett. 58 1907
[19] Ghicov A, Tsuchiya H, Hahn R, Macak J M, Munoz A G, Schmuki P 2006 Electrochem. Commun. 8 530
[20] Verma A, Basu A, Bakhshi A K, Agnihotry S A 2005 Solid State Ionics 176 2285
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[1] Wang J B, Wu H H, Jin Z S, Tang Y G, Chang H 2006 J. Inorg. Mater. 03 0732 (in Chinese) [汪剑波、 吴汉华、 金曾孙、 唐元广、 常 鸿 2006 无机材料学报 03 0732]
[2] Phys. Sin. 59 1952 (in Chinese) [陈根余、 吴汉华、 李 乐、 常 鸿、 唐元广 2010 物理学报 59 1952]
[3] Jin F A, Chu P K, Wang K, Zhao J, Huang A P, Tong H H 2008 Mat. Sci. Eng. A 476 78
[4] Wang Y M, Jiang B L, Lei T Q, Guo L X 2004 Mater. Lett. 58 1907
[5] Li Q J, Wu H H, Wang J B, Gu G R, Jin Z S 2006 J. Inorg. Mater. 02 0488 (in Chinese)[李全军、 吴汉华、 汪剑波、 顾广瑞、 金曾孙 2006 无机材料学报 02 0488]
[6] Wang Y M, Jia D C, Guo L X, Lei T Q, Jiang B L 2005 Mater. Chem. Phys. 90 128
[7] Li X J, Cheng G A, Xue W B, Zheng R T, Cheng Y J 2008 Mater. Chem. Phys. 107 148
[8] Tang Y G, Wu H H, Chang H, Chen G Y, Sang Y, Bai Y Z 2009 Acta Phys. Sin. 58 4840 (in Chinese) [唐元广、 吴汉华、 常 鸿、 陈根余、 桑 勇、白亦真 2009 物理学报 58 4840]
[9] Wei D Q, Zhou Y, Wang Y M, Jia D C 2007 Appl. Surf. Sci. 253 5045
[10] Shi X L, Wang Q L, Wang F S, Ge S R 2009 Mining Science and Technology 19 0220
[11] Xu Y J, Yao Z P, Jia F Z, Wang Y L, Jiang Z H, Bu H T 2010 Curr. Appl. Phys. 10 698
[12] Sun X T, Jiang Z H, Xin S G, Yao Z P 2005 Thin Solid Films 471 194
[13] Wang Y M, Lei T Q, Jiang B L, Guo L X 2004 Appl. Surf. Sci. 233 258
[14] Wang J B, Wu H H, Li Q J, Li Z K, Gu G R, Lu X Y, Zheng W T, Jin Z S 2005 Chin. Phys. 14 2598
[15] Zhang R H, Shan D Y, Chen R S, Han E H 2007 T. Nonferr. Metal. Soc. 10 1577 (in Chinese) [张荣发、 单大勇、 陈荣石、 韩恩厚 2007 中国有色金属学报 10 1577]
[16] Chen G Y, Wu H H, Li Y, Chang H, Tang Y G 2010 Acta
[17] Sundararajan G, Rama Krishna L 2003 Surf. Coat. Technol. 167 269
[18] Wang Y M, Jiang B L, Lei T Q 2004 Mater. Lett. 58 1907
[19] Ghicov A, Tsuchiya H, Hahn R, Macak J M, Munoz A G, Schmuki P 2006 Electrochem. Commun. 8 530
[20] Verma A, Basu A, Bakhshi A K, Agnihotry S A 2005 Solid State Ionics 176 2285
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