Fabrication and characterization of porous Ti6Al4V parts for biomedical applications using electron beam melting process |
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| Authors: | Xiang Li Chengtao Wang Wenguang Zhang Yuanchao Li |
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| Affiliation: | 1. Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Pretoria, South Africa;2. Council of Scientific and Industrial Research, National Laser Centre Building 46F, Pretoria, South Africa;3. Department of Metallurgical and Materials Engineering, University of Nigeria, Nsukka, Nigeria;1. State Key Laboratory for Manufacturing Systems Engineering, Xi''an Jiaotong University, Xi''an, Shaan Xi, China;2. Institute of Medical and Biological Engineering, School of Mechanical Engineering, University of Leeds, Leeds, UK |
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| Abstract: | A direct metal rapid prototyping (RP) fabrication technique, electron beam melting (EBM) process, was utilized to fabricate porous Ti6Al4V parts with fully interconnected, controlled internal pore architecture. The macroporous structure of fabricated parts was characterized using scanning electron microscopy (SEM). The strut and pore sizes of the parts were measured by quantitative image analyses. The mechanical properties were investigated by compressive tests. The compressive strength and Young's modulus of parts proved to be compatible with those of nature bone. The potential of EBM process for fabricating Ti6Al4V parts with controlled internal pore architecture meeting the requirements of orthopedic implants is demonstrated. |
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