将羟基磷灰石(HAP)电泳沉积在钛基材上,得到了结构稳定的HAP生物陶瓷涂层.研究了电场强度、悬浮液温度、电泳时间、分散介质及HAP浓度对涂层形貌的影响.通过红外光谱仪(FTIR)和X射线衍射仪(XRD)对涂层的组成及结构进行了分析,并采用扫描电镜(SEM)对涂层煅烧前后的微观形貌进行了观察.结果表明:在正丁醇作为分散剂、悬浮液温度30 ℃、电场强度250 V/cm、电泳时间300 s以及HAP浓度5.0 g/L的条件下可制得形貌较好的HAP生物陶瓷涂层;经二次电泳沉积及煅烧后得到的HAP生物陶瓷涂层均匀致密.
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