| Microstructure and mechanical properties analysis of β-tricalcium phosphate/carbon nanotubes scaffold based on rapid prototyping |
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| 引用本文： | 林柳兰,申营营,张加峰,方明伦.Microstructure and mechanical properties analysis of β-tricalcium phosphate/carbon nanotubes scaffold based on rapid prototyping[J].上海大学学报(英文版),2009,13(5):349-351. |
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| 作者姓名： | 林柳兰 申营营 张加峰 方明伦 |
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| 作者单位： | Key Laboratory of Machinery Automation and Robotics, Shanghai University, Shanghai 200444, P. R. China |
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| 基金项目： | the Innovation Program of Shanghai Municipal Education Commission (Grant No.09YZ34) |
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| 摘 要： | β-TCP ceramic scaffolds were fabricated with selective laser sintering(SLS)in this work. Carbon nanotubes(CNTs)were mixed with porous β-TCP matrix to enhance the mechanical performance of the bone tissue engineering scaffolds. Scaffold reconstruction and microstructure analysis were fulfilled based on micro-computed tomography(Micro-CT)scanning data.Results show that the strength of scaffold mixed with 0.2% CNTs reaches 0.819 MPa which has been improved by 85.7% compared with that without CNTs. Micro-CT analysis shows that the scaffold has a good interconnectivity, and pore size mainly distributes in the two regions of 60-340 μm and 500 620 μm.
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| 关 键 词： | β-tricalcium phosphate scaffold |
| 收稿时间： | 2009-01-08 |
| 修稿时间： | 2009-05-16 |
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