采用化学共沉淀法制得羟基磷灰石(Ca_(10)(PO_4)_6(OH)_2)粉体和铝镁尖晶石(MgAl_2O_4)粉体,并以羟基磷灰石(HAP)粉体和铝镁尖晶石(Spinel)粉体为原料采用粉末冶金方法制得HAP·TCP-Spinel复合生物材料;采用X射线衍射分析、金相分析、红外光谱分析、烧结收缩性能分析和力学性能测试等对制备的材料进行了表征。研究结果表明:HAP·TCP-Spinel复合生物材料的烧结收缩率约为45％;HAP·TCP与Spine两相分布均匀,且界面结合良好;该复合材料表现出优良的抗弯强度和抗压强度性能;羟基磷灰石的含量为62.5％时该复合材料性能达到最佳,其抗弯强度和抗压强度分别为189MPa和352MPa。 The powders of hydroxyapatite (Ca_ (10) (PO_4) _6 (OH) _2) and MgAl_2O_4 powder were prepared by chemical coprecipitation method. The hydroxyapatite (HAP) HAP · TCP-Spinel composite biomaterials were prepared by powder metallurgy method using Spinel powder as raw material; X-ray diffraction analysis, metallographic analysis, infrared spectrum analysis, sintering shrinkage property analysis and mechanical property test The prepared materials were characterized. The results show that the sintering shrinkage of HAP · TCP-Spinel composite biomaterials is about 45%, the HAP · TCP and Spine two phases are well distributed and the interfaces are well bonded, and the composites show excellent flexural strength and compressive strength Performance; the content of hydroxyapatite 62.5% when the composite material to achieve the best performance, the flexural strength and compressive strength were 189MPa and 352MPa.