Diametral compression behavior of biomedical titanium scaffolds with open, interconnected pores prepared with the space holder method

Scaffolds with open, interconnected pores and appropriate mechanical properties are required to provide mechanical support and to guide the formation and development of new tissue in bone tissue engineering

B. Arifvianto

2017

Scholarcy highlights

  • Scaffolds with open, interconnected pores and appropriate mechanical properties are required to provide mechanical support and to guide the formation and development of new tissue in bone tissue engineering
  • Since the mechanical properties of the scaffold tend to decrease with increasing porosity, a balance must be sought in order to meet these two conflicting requirements
  • Deformation and failure mechanisms involved in the Diametral compression tests of the titanium scaffolds were examined
  • The results of micro-CT and permeability analyses confirmed the presence of open, interconnected pores in the titanium scaffolds with porosity over a range of 31–61%
  • DC tests showed that the titanium scaffolds with elastic moduli and yield strengths of 0.64–3.47 GPa and 28.67–80 MPa, respectively, could be achieved
  • By comprehensive consideration of specific surface area, permeability and mechanical properties, the titanium scaffolds with porosities in a range of 50−55% were recommended to be used in cancellous bone tissue engineering

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