Materials | |
The Effect of Structural Design on Mechanical Properties and Cellular Response of Additive Manufactured Titanium Scaffolds | |
Jan Wieding1  Anika Jonitz2  | |
[1] Department of Orthopedics, University Medicine Rostock, Doberaner Strasse 142, Rostock 18057, Germany; | |
关键词:
additive manufacturing;
titanium;
bone scaffold;
mechanical properties;
compressive strength;
elastic modulus;
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DOI : 10.3390/ma5081336 | |
来源: mdpi | |
【 摘 要 】
Restoration of segmental defects in long bones remains a challenging task in orthopedic surgery. Although autologous bone is still the ‘Gold Standard’ because of its high biocompatibility, it has nevertheless been associated with several disadvantages. Consequently, artificial materials, such as calcium phosphate and titanium, have been considered for the treatment of bone defects. In the present study, the mechanical properties of three different scaffold designs were investigated. The scaffolds were made of titanium alloy (Ti6Al4V), fabricated by means of an additive manufacturing process with defined pore geometry and porosities of approximately 70%. Two scaffolds exhibited rectangular struts, orientated in the direction of loading. The struts for the third scaffold were orientated diagonal to the load direction, and featured a circular cross-section. Material properties were calculated from stress-strain relationships under axial compression testing.
【 授权许可】
CC BY
© 2012 by the authors; licensee MDPI, Basel, Switzerland.
【 预 览 】
Files | Size | Format | View |
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RO202003190042734ZK.pdf | 2447KB | download |