通过声电沉积工艺在碳/碳复合材料表面制备了生物活性透钙磷石涂层,采用SEM、FTIR、XRD研究了超声场中电流密度对涂层组成结构和形貌的影响.发现在一定工艺条件下,随电流密度增加,涂层的平均晶粒尺寸减小,致密度增加;当电流密度小于10mA/cm2时涂层形貌为片状,10mA/cm2～26mA/cm2时为粒状,32mA/cm2时为花菜心状.且涂层中透钙磷石晶体的择优取向也发生变化,择优晶面依次为(021)、(111)、(220).同时还讨论了涂层微观结构变化机理.
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