激光重熔预处理制备生物陶瓷涂层

Process of Bioceramic Coating with Laser-remelting Pretreatment

摘要: 在激光表面重溶预处理的TC4合金基材上预置涂敷CaHPO₄2H₂O-CaCO₃-Y₂O₃混合粉末,再经激光熔覆处理制备了生物陶瓷复合涂层。研究了该生物陶瓷涂层的织织和性能。结果表明,采用激光表面重熔预处理作过渡层制备的生物陶瓷涂层的界面结合良好,表层为HA和β-TCP组成的活性生物陶瓷复合涂层。

Abstract: The bioceramic coating was made by Lasser remelt pretreating a layer of mixed powder CaHPO₄·2H₂OCaCO₃Y₂O₃ on the TC4 substrate.Effect of laser remelting preatment on microstuctures and properties was studied by SEM ESD XRD etc.The results show that laser remelting pretreatment is favorable to improvement of the mechanical properties and biocompatibility of bioceramic coating.