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添加了占钛合金基体10%(质量分数)的焦磷酸钙(CPP)生物活性陶瓷粉末,利用放电等离子烧结(SPS)技术制备了Ti-35Nb-7Zr/10CPP生物复合材料,研究了其物相组成、微观组织形貌、元素分布、力学性能以及生物活性等.结果表明,该复合材料主要由β-Ti相基体、少量的α-Ti相及金属-陶瓷相(CaO、Ti2O、CaTiO3、CaZrO3、TxPy)组成;复合材料具有较低的压缩弹性模量(46 GPa)和较高的抗压强度(1 434 MPa),显示了良好的力学相容性;与Ti-35Nb-7Zr合金相比,复合材料在人工模拟体液(SBF)浸泡7d后表面生成了大量的类骨磷灰石层,显示出良好的生物活性.

参考文献

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[7] 王涛;张玉勤;蒋业华;周荣.Ti-35Nb-7Zr-XCPP生物复合材料的放电等离子烧结制备及其力学性能研究[J].稀有金属材料与工程,2015(4):1030-1034.
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