Fabrication and Analysis of a 3D truss Pattern Scaffold made by 3D printing Method

Authors

Department of mechanical engineering/ Babol university of technology

Abstract

In this paper, a new pattern was offered for the fabrication of tissue engineering scaffolds by the 3D printing method. A photocurable resin, micro mirror and UV source were employed for the fabrication of scaffolds. Final patterns have a simple form and a gradient form that the mechanical behavior of each model was investigated under mechanical testing. For the investigation of precise mechanical behavior of porous samples, non-porous samples were investigated under mechanical testing and an empirical equation were used for the checking influence of base material properties on the behavior of porous samples. The results indicate that the gradient model, unlike the simple model has multiple elastic regions under the large displacement because of their special design. This behavior is very important for the scaffolds that were implanted in hard tissue and tolerate a high pressure Using this type of layering beside the biological advantage of gradient model can improve the efficiency of scaffolds.

Keywords

Main Subjects

References

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Iranian Journal of Mechanical Engineering Transactions of ISME
Volume 20, Issue 3 - Serial Number 52
System Dynamics and Solid Mechanics
December 2018
Pages 30-40

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History

  • Receive Date: 16 February 2017
  • Revise Date: 23 April 2017
  • Accept Date: 15 December 2018

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