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首页> 外文期刊>Journal of Materials Research >Apatite-inducing ability of titanium oxide layer on titanium surface: The effect of surface energy
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Apatite-inducing ability of titanium oxide layer on titanium surface: The effect of surface energy

机译：钛表面氧化钛层的磷灰石诱导能力：表面能的影响

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In the present study, pure titanium (Ti) plates were firstly treated to form various types of oxide layers on the surface and then were immersed into simulated body fluid (SBF) to evaluate the apatite-forming ability. The surface morphology and roughness of the different oxide layers were measured by atomic force microscopy (AFM), and the surface energies were determined based on the Owens-Wendt (OW) methods. It was found that Ti samples after alkali heat (AH) treatment achieved the best apatite formation after soaking in SBF for three weeks, compared with those without treatment, thermal or H_2O_2 oxidation. Furthermore, contact angle measurement revealed that the oxide layer on the alkali heat treated Ti samples possessed the highest surface energy. The results indicate that the apatite-inducing ability of a titanium oxide layer links to its surface energy. Apatite nucleation is easier on a surface with a higher surface energy.
机译：在本研究中，首先对纯钛（Ti）板进行处理以在表面形成各种类型的氧化物层，然后将其浸入模拟体液（SBF）中以评估磷灰石形成能力。通过原子力显微镜（AFM）测量不同氧化物层的表面形态和粗糙度，并基于Owens-Wendt（OW）方法确定表面能。结果发现，与未经处理，热或H_2O_2氧化的样品相比，经碱热（AH）处理的Ti样品在SBF中浸泡三周后达到了最佳的磷灰石形成。此外，接触角测量表明在碱热处理的Ti样品上的氧化物层具有最高的表面能。结果表明，氧化钛层的磷灰石诱导能力与其表面能有关。在具有较高表面能的表面上，磷灰石成核更容易。

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