用脉冲电化学沉积法在生物医用钛金属表面成功制备了纳米RA/ZrO2复合涂层,涂层中的成分均以离子形式沉积到基材上,得到ZrO2均匀分布的HA/ZrO2复合涂层.脉冲电位为-3.5 V时有利于离子的沉积结晶,有利于复合涂层的沉积.复合涂层的成分、结构、形貌及生物活性等的研究结果表明:复合涂层烧结前成分为HA、OCP及碱式硝酸锫,高温烧结后得到均匀致密HA/ZtO2复合涂层.检测表明HA/ZrO2复合涂层能够诱导磷灰石生成,具有较好的生物活性.
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