Preparing diopside nanoparticle scaffolds via space holder method: Simulation of the compressive strength and porosity

Journal of the Mechanical Behavior of Biomedical Materials
Majid AbdellahiAmirsalar Khandan

Abstract

In the present study, diopside nanopowders were prepared via mechanical milling with eggshell as the calcium source. The space holder method (compaction of ceramic powder and spacer) as one of the most important methods to produce ceramic/metal scaffolds was used to produce diopside scaffolds. For the first time, the effect of the spacer size on mechanical properties and porosity of the obtained scaffolds was experimentally discussed. According to the results obtained, the NaCl particles (as the spacer) with the size of 400-600µm maintained their original spherical shape during the compaction and sintering processes. As a new work, the most important parameters including the spacer type, spacer concentration, spacer size, and applied pressure were considered, and their effects on mechanical properties and porosity of diopside scaffolds were simulated. Gene Expression Programming (GEP), as one of the most branches of the artificial intelligence, was used for simulation process. By using the GEP, two equations were introduced to predict the compressive strength and porosity of the obtained scaffolds with the lowest error values. The 3D diagrams extracted from the model were used to evaluate the combined effect of the process para...Continue Reading

Citations

Aug 20, 2019·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Saeid EsmaeiliAmirsalar Khandan
May 28, 2020·Medical & Biological Engineering & Computing·Abolfazl BagherifardAmirsalar Khandan
Jun 8, 2021·Journal of Orthopaedic Translation·Yufeng WangQingqiang Yao

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