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首页> 外文会议>International Conference on Processing amp; Manufacturing of Advanced Materials; 20060704-08; Vancouver(CA) >Mechanical Properties and Biocompatibility of Porous Titanium Prepared by Powder Sintering
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Mechanical Properties and Biocompatibility of Porous Titanium Prepared by Powder Sintering

机译：粉末烧结法制备多孔钛的力学性能和生物相容性

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摘要

Porous Ti compacts were fabricated by spark plasma sintering (SPS) method and their Young's modulus and biocompatibility were investigated in this study. Ti powders were made from commercially available pure Ti (grade 2) using the plasma rotating electrode process (PREP) in an Ar atmosphere. Porous Ti compacts for biomedical applications were successfully fabricated in the porosity range from 5.1 to 39.2 vol%. Young's modulus of porous Ti compacts having porosity from 31 to 35 vol % is almost the same as that of human cortical bone. To investigate the biocompatibility of pure Ti, fibroblast-like L-929 and osteoblast-like MG-63 cells were cultured with the presence of the extract solution from pure Ti for 72 hours. The viabilities of cells cultured with the diluted extract solutions were almost the same compared to that of the control. Also, porous Ti compacts did not induce any morphologic damage of cells.
机译：通过火花等离子体烧结（SPS）法制备了多孔Ti压块，并对其杨氏模量和生物相容性进行了研究。 Ti粉末是在Ar气氛中使用等离子旋转电极工艺（PREP）由可商购的纯Ti（等级2）制成的。用于生物医学的多孔Ti压块已成功制造，孔隙率范围为5.1至39.2 vol％。孔隙率为31-35vol％的多孔Ti压块的杨氏模量几乎与人皮质骨的杨氏模量相同。为了研究纯钛的生物相容性，在存在纯钛提取液的情况下，将成纤维细胞样L-929和成骨细胞样MG-63细胞培养72小时。与稀释的提取液一起培养的细胞的活力与对照的活力几乎相同。而且，多孔的Ti压块没有引起细胞的任何形态损伤。

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