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Journal of Materials Science

, Volume 43, Issue 13, pp 4450–4454 | Cite as

Effect of the addition of t-ZrO2 on the material properties of β-TCP/PCL composites

  • Ho-Yeon Song
  • Do Van Quang
  • Young-Ki Min
  • Byong-Taek LeeEmail author
Article

Abstract

Using poly-methyl methacrylate as a pore-forming agent, porous β-tricalcium phosphate (β-TCP)/t-ZrO2 composites were fabricated depending on the volume percentages (vol.%) of t-ZrO2 powder. In the porous sintered bodies, hybrid pores, about 20 and 200 μm in diameter, were homogenously dispersed in the β-TCP/t-ZrO2 matrix and showed good interconnection. On the other hand, β-TCP-(t-ZrO2)/polycaprolactone (PCL) composites were fabricated by the melt infiltration process using porous β-TCP/t-ZrO2 bodies. The relative density of the β-TCP-(t-ZrO2)/PCL composites increased as the vol.% of t-ZrO2 increased and its maximum value was about 98.6%. However, the hardness, bending strength and elastic modulus of β-TCP-(t-ZrO2)/PCL composites decreased due to the low densification of porous β-TCP/t-ZrO2 bodies as the volume percentages of t-ZrO2 content increased. The values (using 20 vol.% of t-ZrO2) were 11.4 Hv, 25.5 MPa and 17.2 GPa, respectively.

Keywords

Biphasic Calcium Phosphate Al2O3 Ball PMMA Powder Pore Frame Porous Biphasic Calcium Phosphate 

Notes

Acknowledgements

This research was supported by a grant from the Center for Advanced Materials Processing (CAMP) of the 21st century frontier R&D program funded by the Ministry of Commerce, Industry and Energy (MOCIE), Republic of Korea.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Ho-Yeon Song
    • 1
  • Do Van Quang
    • 1
  • Young-Ki Min
    • 1
  • Byong-Taek Lee
    • 1
    Email author
  1. 1.Department of Biomedical Engineering and Materials, School of MedicineSoonchunhyang UniversityCheonanSouth Korea

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