钛合金表面仿生矿化的热力学分析

Thermodynamic Analysis of Bionic Mineralizing on Titanium Alloy Substrate

摘要:

在室温下的仿生溶液(FCS)中实现了钛合金表面的仿生矿化．得到羟基磷灰石(HA)涂层。跟踪分析了矿化过程中溶液pH值的变化，比较了矿化溶液中可能形成的各种磷酸钙陶瓷的过饱和度，发现HA的过饱和度最大，从而证明FCS溶渡为HA涂层的形成提供了较好的热力学条件。

Abstract:

A hydroxylapatite (HA) coating was produced by means of bionic mineralizing in a fast calcific solution(FCS)at room temperature. The pH changes of FCS during the deposition process were measured. The supersaturations of various calcium phosphates formed during FCS were compared, during which that of HA was found to be the greatest. Optimnal thermodynamic conditions were important for the formation of HA coatings in the bionic mineralizing process.