阳极氧化法制备TiO<sub>2</sub>膜在模拟深海热液区的耐腐蚀性能

中国腐蚀与防护学报

2013, Vol. 33

Issue (1): 23-28

技术报告

本期目录 | 过刊浏览

阳极氧化法制备TiO₂膜在模拟深海热液区的耐腐蚀性能

张勤杰¹ ,姚文红² ,贺本林¹ ,葛洪仑¹ ,孙苗¹ ,刘威¹ ,曲俊¹ ,王玮¹

1. 中国海洋大学材料科学与工程研究院青岛 266100;
2. 青岛农业大学化学与药学院青岛 266109

Corrosion Behavior of TiO₂ Film Prepared by Anodic Oxidation Method in Simulated Deep Sea Hydrothermal Region

ZHANG Qinjie¹, YAO Wenhong², HE Benlin¹, GE Honglun¹, SUN Miao¹,
LIU Wei¹, QU Jun¹, WANG Wei¹

1. Institute of Materials Science and Engineering, Ocean University of China, Qingdao 266100, China;
2. Institute of Chemistry and Pharmacy, Qingdao Agricultural University, Qingdao 266109, China

全文: PDF(6255 KB)

摘要:

以恒压阳极氧化方法在钛基体上制备TiO₂氧化膜，使用水热釜模拟深海热液区的条件研究其耐腐蚀性能。采用XRD、SEM、接触角测定仪对氧化膜以及腐蚀试样产物进行晶型、表面结构、化学成分和亲疏水性能测定，使用动电位扫描方法对其进行极化曲线测试。结果表明，钛试样和阳极氧化钛试样在模拟深海环境条件下，经过腐蚀反应在表面都生成了一层非致密的TiO₂膜，对基体并不能起到保护作用，而阳极氧化生成的致密TiO₂膜对基体能够起到很好的保护作用。经腐蚀后钛试样表面有TiH₂相的形成，腐蚀电位负移0.45 V。而阳极氧化钛试样表面没有TiH₂相的形成，且腐蚀电位负移较小，表现出良好的耐腐蚀性能。

关键词 ： TiO₂氧化膜, 阳极氧化法, 水热釜, TiH₂相, 深海热液区

Abstract：

TiO₂ films were formed on metallic titanium substrate by anodic oxidation method, and its corrosion resistance was studied in simulated deep sea hydrothermal region by hydrothermal synthesis reactor. The crystal form, chemical composition, microstructure and hydrophobic properties of oxide film and products of corrosion sample were characterized by X-ray diffraction (XRD), scanning electron microscopy(SEM) and water contact angle tester, respectively. Their electrochemical properties were investigated through polarization curves. The results showed that in the simulative deep sea hydrothermal system, the non-compact TiO₂ film which was produced on the surface of Ti and anodic oxidation sample could not protect the substrates well and the non-compact TiO₂ film was different from the anodic oxidation TiO₂ film. The corrosion potential of Ti electrode shifted 0.45 V towards negative direction and TiH₂formed on the surface of Ti after corrosion, while the corrosion potential of Ti sample processed by anodic oxidation method changed less, and no TiH₂was produced on its surface. The above results indicated that the TiO₂films formed on metallic titanium substrates by anodic oxidation method had a good corrosion resistance.

Key words： TiO₂ film anodic oxidation hydrothermal synthesis reactor TiH₂ deep sea
hydrotherml region

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TG174.45

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	孙苗
	刘威
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引用本文:

张勤杰,姚文红,贺本林,葛洪仑,孙苗,刘威,曲俊,王玮. 阳极氧化法制备TiO₂膜在模拟深海热液区的耐腐蚀性能[J]. 中国腐蚀与防护学报, 2013, 33(1): 23-28.
ZHANG Qinjie, YAO Wenhong, HE Benlin, GE Honglun, SUN Miao,
LIU Wei, QU Jun, WANG Wei. Corrosion Behavior of TiO₂ Film Prepared by Anodic Oxidation Method in Simulated Deep Sea Hydrothermal Region. Journal of Chinese Society for Corrosion and protection, 2013, 33(1): 23-28.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2013/V33/I1/23

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