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Fabrication of porous titanium scaffolds by stack sintering of microporous titanium spheres produced with centrifugal granulation technology

文献类型： 会议论文

第一作者： Hongjie Chen

作者： Hongjie Chen 1 ; Xiangdong Zhu 1 ; Yujiang Fan 1 ; Xingdong Zhang 1 ;

作者机构： 1.National Engineering Research Center for Biomaterials, Sichuan University, China

会议名称： European Conference on Biomaterials

主办单位：

页码： 345-

摘要： This work developed a simple new method, i.e. stack sintering of microporous Ti spheres produced with centrifuge granulation technology, to fabricate porous Ti scaffolds with uniform porous structure. The micropores (6.8-14.0 μm) and macropores (121.6-363.5 μm) of the scaffolds could be accurately regulated by choosing appropriate size ranges of the Ti powders and the Ti spheres. The compressive strength (83.4-108.9 MPa) was high enough for use as load-bearing scaffolds. Besides, the scaffolds were favourable for adsorption of serum proteins, and the rough and convex surface promoted the attachment and growth of MSCs. In conclusion, the porous Ti scaffolds developed in the present study could have better potential to be used as bioactive scaffolds or coatings for the repair of bone defects in load-bearing sites.

分类号： Q691

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