Fabrication of Porous Titanium with Directional Pores for Biomedical Applications

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  • Lee Ji-Woon
    Division of Materials Science and Engineering, Inha University
  • Lee Ji-Sun
    Division of Materials Science and Engineering, Inha University
  • Kim Myoung-Gyun
    New Materials Research Department, Research Institute of Industrial Science and Technology (RIST)
  • Hyun Soong-Keun
    Division of Materials Science and Engineering, Inha University

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Abstract

A new fabrication method was developed for porous Ti with directional pores. Large sized-pores were generated by the evaporation of Mg wires, and small sized-pores were generated by sintering process. The porosity of the material was increased with increasing the number of wires and decreased with increasing sintering temperature and compact pressure. The diameter of large-sized pores was accurately same with that of Mg wire, and the diameter of small-sized pores was varied with the fabrication parameters showing similar trend to the porosity variation. The most advantageous point of the novel fabrication process is that the both porosity of the material and the diameter of the pores can be easily controlled by fabrication parameters, such as the number of wires, the sintering temperature and the compact pressure. The material can be used as possible bone implants possessing not only closer modulus to human bone, but also superior osteogenesis properties.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 54 (2), 137-142, 2013

    The Japan Institute of Metals and Materials

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