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Processing and compression testing of Ti6Al4V foams for biomedical applications

  • Syntactic and Composite Foams
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Abstract

Open cell Ti6Al4V foams (60% porosity) were prepared at sintering temperatures between 1,200 and 1,350 °C using ammonium bicarbonate particles (315–500 μm) as space holder. The resulting cellular structure of the foams showed bimodal pore size distribution, comprising macropores (300–500 μm) and micropores (1–30 μm). Compression tests have shown that increasing sintering temperature increased the elastic modulus, yield and compressive strength, and failure strain of foams. The improvements in the mechanical properties of foams prepared using smaller size Ti64 powder with bimodal particle distribution were attributed to the increased number of sintering necks and contact areas between the particles. Finally, the strength of foams sintered at 1,350 °C was found to satisfy the strength requirement for cancellous bone replacement.

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Acknowledgement

The authors would like to thank the Technology Development Foundation of Turkey (TTGV) for the grant #TTGV-102/T13.

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Authors and Affiliations

  1. Department of Mechanical Engineering, İzmir Institute of Technology, Gulbahce Köyu, Urla, Izmir, Turkey

    M. E. Dizlek, M. Guden, U. Turkan & A. Tasdemirci

  2. Center for Materials Research, İzmir Institute of Technology, Gulbahce Köyu, Urla, Izmir, Turkey

    M. Guden & A. Tasdemirci

  3. Dynamic Testing and Modeling Laboratory, İzmir Institute of Technology, Gulbahce Köyu, Urla, Izmir, Turkey

    M. Guden & A. Tasdemirci

Authors
  1. M. E. Dizlek
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  2. M. Guden
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  3. U. Turkan
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  4. A. Tasdemirci
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Correspondence to M. Guden.

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Dizlek, M.E., Guden, M., Turkan, U. et al. Processing and compression testing of Ti6Al4V foams for biomedical applications. J Mater Sci 44, 1512–1519 (2009). https://doi.org/10.1007/s10853-008-3038-7

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  • DOI: https://doi.org/10.1007/s10853-008-3038-7

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