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Citation: MA Jie, LIU Hui, SHI Ying, HE Jing, YAO Zhong-Ke. Effect of the Morphology of TiO₂ Nano-additive on the Corrosion Resistance of Ni-P-Cr Composite Coatings to Seawater and Microbial Environment[J]. Chinese Journal of Applied Chemistry, ;2008, 25(7): 815-819. shu

Effect of the Morphology of TiO₂ Nano-additive on the Corrosion Resistance of Ni-P-Cr Composite Coatings to Seawater and Microbial Environment

1.
Department of Chemistry, Capital Normal University, Beijing 100037

Corresponding author: MA Jie,
Received Date: 31 July 2007
Available Online: 15 January 2008
Fund Project: 北京市自然科学基金重点项目资助项目(KZ200410028012) (KZ200410028012)

To obtain new composite materials with excellent anticorrosion properties in seawater and microbial environment,a series of Ni-P-Cr composite coatings containing TiO₂ nanoglobes,TiO₂ nanotubes and TiO₂ nanowires respectively were prepared from plating solution by electrodeposition.The morphology of the TiO₂ materials was investigated by TEM.The surface morphology and the elemental composition of the prepared composite coatings were investigated by SEM and EDX.The anticorrosion properties of the composite coatings were studied via polarization curves in artificial seawater (3.5% NaCl solution) and electrochemical impedance spectra (EIS) in culture medium in the presence of sulphate reducing bacteria (SRB).The results showed that the Ni-P-Cr composite coating containing TiO₂ nanotubes exhibited good anticorrosion properties in artificial seawater and culture medium in the presence of SRB.
- TiO₂ nano-materials,
- composite deposit,
- anticorrosion property
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Effect of the Morphology of TiO2 Nano-additive on the Corrosion Resistance of Ni-P-Cr Composite Coatings to Seawater and Microbial Environment

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通讯作者: 陈斌, bchen63@163.com

Effect of the Morphology of TiO₂ Nano-additive on the Corrosion Resistance of Ni-P-Cr Composite Coatings to Seawater and Microbial Environment