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首页> 外文期刊>Key Engineering Materials >Bioactive Composite Coating on Titanium Implants for Hard Tissue Repair
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Bioactive Composite Coating on Titanium Implants for Hard Tissue Repair

机译:钛植入物上的生物活性复合涂层,用于修复硬组织

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A bioactive composite coating consisting of one layer of titania and one layer of apatite was formed on Ti substrate. The first layer of crystalline titania was deposited on Ti at low temperatures either through oxidation of Ti by hydrogen peroxide solution or through hydrolysis of TiF_4 or TiCl_4 solution. It was shown that the crystalline titania, either in the form of anatase or rutile, induced formation of the second layer of apatite in a simulated body fluid. However, the trace elements in the titania layer affected greatly apatite formation. The Cl incorporated in the titania layer did not hinder apatite formation while F did. The two-layer composite coating should enhance bonding of Ti implants to bone tissue.
机译:在钛基体上形成由一层二氧化钛和一层磷灰石组成的生物活性复合涂层。结晶二氧化钛的第一层是在低温下通过过氧化氢溶液氧化Ti或TiF_4或TiCl_4溶液水解而沉积在Ti上的。结果表明,以锐钛矿形式或金红石形式存在的二氧化钛晶体在模拟的体液中诱导了第二层磷灰石的形成。然而,二氧化钛层中的微量元素极大地影响了磷灰石的形成。掺入二氧化钛层中的Cl不会阻碍磷灰石的形成,而F则不会。两层复合涂层应增强钛植入物与骨组织的结合。

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