COMPRESSIVE STRENGTH OF DLP 3D PRINTED VARIOUS MICRO LATTICES FOR BONE TISSUE ENGINEERING

Yıl 2021, Cilt: 5 Sayı: 3, 361 - 371, 30.12.2021

Muhammed Enes Dokuz Mustafa Aydın Mesut Uyaner

https://doi.org/10.46519/ij3dptdi.949677

Öz

This study aims to design and manufacture different lattices and evaluate their success in terms of compression strength. Structures with a high surface area to volume (SA:V) ratio and microporosity are designed to mimic cancellous bone tissue. The volume-centered cubic and face-centered cubic lattice structures are higher in terms of the SA:V ratio among the designed specimens. Specimens in the cylindrical form used with four different lattices were successfully produced by 3D (Digital Light Processing) DLP printing. A preliminary evaluation of the lattices was made by searching for the lowest stress and displacement values under compression load with finite element analysis. The lowest von-Mises stress value was 6.37 MPa in the simple cubic lattice structure. The compression test was carried out under quasi-static conditions with equal preloading. The loads at onset damage were compared. The highest fracture average load was in face-centered cubic lattice structures with 10.14 kN. Among the specimens with low standard deviation in the compression test, the simple cubic and gyroid lattice structures’ fracture force is higher.

Anahtar Kelimeler

Lattices, Digital Light Processing (DLP), Bone Tissue Engineering

Proje Numarası

191319013

Kaynakça

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