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Microstructure and elastic modulus of TNZS-based biomaterials prepared by powder metallurgy
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    Abstract:

    TNZS, TiO2/TNZS and HA/TNZS mixed powders were prepared by high-energy milling for 48 h and then sintered by cold pressing. microstructure and phase of TNZS mixed powders and microstructure, phase, pore characteristics and elastic modulus of TNZS-based biomaterials were investigated. The results show that: the three mixed powders are mechanically alloyed after high-energy milling for 48 h; sintering TNZS generates α-Ti phase and β-Ti phase, sintering TiO2/TNZS produces α-Ti phase, β-Ti phase, rutile TiO2 and anatase TiO2; besides of α-Ti, β-Ti and HA, HA/TNZS bio-titanium-based material forms new phases of Ti2O, CaTiO3, CaO and TixPy; the surface composition of the three materials are uniform; porosity of three materials are 2.466%, 5.030% and 13.027%, respectively; elastic modulus of three materials are 64.00 GPa、103.93 GPa and 119.43 GPa, respectively.

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[zhu li hua, Wu liu jun, Xu xiao jing. Microstructure and elastic modulus of TNZS-based biomaterials prepared by powder metallurgy[J]. Rare Metal Materials and Engineering,2017,46(8):2271~2277.]
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History
  • Received:April 23,2015
  • Revised:November 06,2015
  • Adopted:December 11,2015
  • Online: November 16,2017
  • Published: