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基于微弧氧化和電化學(xué)沉積在純Ti基體表面制備FHAP/MAO復(fù)合涂層的腐蝕行為和機械性能研究
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浙江工業(yè)大學(xué)材料科學(xué)與工程學(xué)院

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The Corrosion Behavior and Mechanical Properties of fluorine doped hydroxyapatite/Micro-arc oxidation (MAO) composite coating on the pure titanium substrate using a combination of micro-arc oxidation and electrochemical deposition method
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College of Materials Science and Engineering，Zhejiang University of Technology

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    摘要:

    本論文采用微弧氧化和電化學(xué)沉積（ED）技術(shù)在工業(yè)純鈦（CPTi）表面沉積氟摻雜羥基磷灰石（FHAP）/微弧氧化（MAO）復(fù)合涂層。并在Hsnk"s溶液中對未涂覆的CPTi基材和涂覆的樣品進行電化學(xué)耐腐蝕性測試。本文研究了MAO界面層對涂層微觀結(jié)構(gòu)，力學(xué)性能和電化學(xué)性能的影響。結(jié)果表明，HAP / Ti，F(xiàn)HAP / Ti和FHAP / MAO / Ti復(fù)合涂層樣品在模擬Hank"s溶液中顯著提高了CPTi基體的耐腐蝕性能。然而，力學(xué)性能測試表明，與具有MAO界面層的FHAP / Ti涂層的結(jié)合強度（18.1MPa）相比，F(xiàn)HAP / Ti涂層的結(jié)合強度較差（10.7MPa）。此外，F(xiàn)HAP / MAO / Ti涂層與去離子水的接觸角約為35.8°，這更有利于促進細胞附著和增殖。

    Abstract:

    In this thesis, a fluorine-doped hydroxyapatite (FHAP)/Micro-arc oxidation (MAO) composite coating is deposited on commercially pure titanium (CPTi) surface through micro-arc oxidation and electrochemical deposition (ED) technique. Simulative Hank"s solution is used to test the electrochemical corrosion resistance of uncoated CPTi substrate and coated samples. The impact of MAO interface layer on the micro-structural, mechanical property, and electrochemical property of coating is studied in this article. Results show that the deposited HAP/Ti, FHAP/Ti and FHAP/MAO/Ti coated samples dramatically improved the anticorrosion of the CPTi substrate in the simulative Hank"s solution. However, the mechanical properties testing show that FHAP/Ti coating has a poor bonding strength of 10.7 MPa compared to that of FHAP/Ti coating with a MAO interface layer (18.1 MPa). Furthermore, the contact angle of the FHAP/MAO/Ti coating with deionized water is approximately 35.8°, which is more beneficial to promote cell attachment and proliferation.

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金杰,周樹偉,鄭大才.基于微弧氧化和電化學(xué)沉積在純Ti基體表面制備FHAP/MAO復(fù)合涂層的腐蝕行為和機械性能研究[J].稀有金屬材料與工程,2019,48(6):1725~1733.[Jin Jie, Shuwei Zhou, Dacai Zheng. The Corrosion Behavior and Mechanical Properties of fluorine doped hydroxyapatite/Micro-arc oxidation (MAO) composite coating on the pure titanium substrate using a combination of micro-arc oxidation and electrochemical deposition method[J]. Rare Metal Materials and Engineering,2019,48(6):1725~1733.]
DOI：10.12442/j. issn.1002-185X.20180129

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  • 收稿日期:2018-02-02
  • 最后修改日期:2019-04-28
  • 錄用日期:2018-08-08
  • 在線發(fā)布日期: 2019-07-30
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