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采用粉末冶金法成功制备出力学性能与骨匹配的开孔型多孔钛,其孔隙率分布在8.6%~35.4%之间,平均孔径随孔隙率增加而增加;抗压强度随孔隙率的增加而降低,分布在252~848 MPa之间;通过应力-应变曲线计算得到其弹性模量在7.2~9.9 GPa之间,接近人骨弹性模量.此多孔钛有望成为理想的人工骨修复材料.

参考文献

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