Fabrication of Artificial Bone through the Imitation of human bone

  • Jang, Dong-U (Department of Biomedical Engineering and Materials, College of Medicine, Soonchunhyang Univ) ;
  • Sakar, Swapan Kumar (Department of Biomedical Engineering and Materials, College of Medicine, Soonchunhyang Univ.) ;
  • Kim, Min-Sung (Department of Biomedical Engineering and Materials, College of Medicine, Soonchunhyang Univ) ;
  • Song, Ho-Yeon (Department of Biomedical Engineering and Materials, College of Medicine, Soonchunhyang Univ) ;
  • Min, Young-Gi (Department of Biomedical Engineering and Materials, College of Medicine, Soonchunhyang Univ) ;
  • Lee, Byong-Taek (Department of Biomedical Engineering and Materials, College of Medicine, Soonchunhyang Univ)
  • Published : 2010.05.13

Abstract

In this work, HAp-(t-ZrO2) ceramic composites of biomimic artificial bone were fabricated by multi-extrusion process in order to replace nature bone. HAp-(t-ZrO2) and graphite powders were mixed separately with ethylene vinyl acetate (EVA) and stearic acid using shear mixer. Extruded HAp-(t-ZrO2) filaments and carbon filaments were arranged in the die to fabricate the first pass filament. The first pass filaments were arranged in the same die with a central carbon core for making the space for spongy bone. Burning out and sintering processes were performed to remove the binder and lubricant. The microstructure channel diameter was researched around $300{\mu}m$. Microstructure analysis was carried out by OM, SEM, and $\mu$-CT. Compressive strength was investigated for the artificial bone. Some preliminary bio-compatibility test was evaluated.

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