The structure of artificial bone was designed according to the long bone ofpeople, the outer was compact layer, the inner was porous spongiosa layer.

• 仿人长干骨的结构梯度进行材料设计：外层为致密层，内层为多孔松质层。采用HAP粉末为原料，添加一定量的生物玻璃，来制备多孔梯度HAP人工骨。本研究首次采用自燃烧法合成了纳米级HAP粉末。