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陽極氧化處理對鈦表面粗糙度和親水性的影響
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河北工業(yè)大學(xué)

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The authors gratefully acknowledge the support by the National Natural Science Foundation of China (Project No.51201056, No.51171058, and No.81100789), Foundation of Key Laboratory of Inorganic Coating Materials，Chinese Academy of Sciences, and Natural Science Foundation of Hebei Province of China (Project No. E2013202021, No. E2013202022), College Science Research Project of Hebei Province (No.Z2010124) and Outstanding Youth Science and Technology Innovation Fund of Hebei University of Technology (No.2011008).


Surface roughness and hydrophilicity of titanium after anodic oxidation
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Hebei University of Technology

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    摘要:

    本文通過陽極氧化處理技術(shù)在鈦表面制備出具有不同粗糙度和親水性的納米表面。采用掃描電鏡觀察表面特征，原子力顯微鏡檢測表面粗糙度，接觸角儀測量親水性。實(shí)驗(yàn)結(jié)果表明，表面形貌隨著氧化電壓和時(shí)間的改變有較大變化。在優(yōu)化的電解液和氧化條件下，可以在鈦表面制備規(guī)則排列的納米管陣列。粗糙度隨著氧化時(shí)間的延長而增大，在幾十到幾百納米之間變化，而氧化電壓對粗糙度的影響不大。表面親水性隨著氧化時(shí)間的延長先增加，再降低。鈦表面結(jié)構(gòu)形貌、粗糙度與親水性的變化可用陽極氧化過程中表面發(fā)生的反應(yīng)進(jìn)行解釋。

    Abstract:

    Anodic oxidation was applied to produce nanostructured titanium (Ti) surface with different roughness and hydrophilicity. The morphology was characterized by scanning electron microscopy (SEM). The surface roughness was characterized by atomic force microscopy (AFM), and the hydrophilicity was assessed from the contact angle between the deionized water and sample surface at room temperature. The results showed that surface morphologies changed remarkably with the changing of applied voltage and oxidation time during anodic oxidation. Under optimized oxidation conditions, well-ordered nanotubes were fabricated. Roughness values increased with the oxidation time, ranging from several dozen to several hundred nanometers, while the influence of voltage on surface roughness was not obvious. The water contact angles initially increased with the oxidation time, but then decreased. The variation of surface morphology, roughness and hydrophilicity was correlated to the reactions occured during the anodic oxidation.

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李寶娥.陽極氧化處理對鈦表面粗糙度和親水性的影響[J].稀有金屬材料與工程,2016,45(4):858~862.[Li Baoe. Surface roughness and hydrophilicity of titanium after anodic oxidation[J]. Rare Metal Materials and Engineering,2016,45(4):858~862.]
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  • 收稿日期:2014-02-16
  • 最后修改日期:2014-07-21
  • 錄用日期:2015-05-13
  • 在線發(fā)布日期: 2016-06-02
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