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The Effect of Porosity on the Mechanical Properties of Porous Titanium Scaffolds: Comparative Study on Experimental and Analytical Values Publisher



Khodaei M1, 2 ; Fathi M1, 3 ; Meratian M3 ; Savabi O1
Authors
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Authors Affiliations
  1. 1. Dental Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Tissue Engineering, School of Advanced Technologies, Shahrekord University of Medical Sciences, Shahrekord, Iran
  3. 3. Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran

Source: Materials Research Express Published:2018


Abstract

Reducing the elastic modulus and also improving biological fixation to the bone is possible by using porous scaffolds. In the present study, porous titanium scaffolds containing different porosities were fabricated using the space holder method. Pore distribution, formed phases and mechanical properties of titanium scaffolds were studied by Scanning Electron Microscope (SEM), x-ray diffraction (XRD) and cold compression test. Then the results of compression test were compared to the Gibson-Ashby model. Both experimentally measured and analytically calculated elastic modulus of porous titanium scaffolds decreased by porosity increment. The compliance between experimentally measured and analytically calculated elastic modulus of titanium scaffolds are also increased by porosity increment. © 2018 IOP Publishing Ltd.
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