Effect of Lattice Design and Process Parameters on the Properties of PLA, ABS AND PETG Polymers Produced by Fused Deposition Modelling

Year 2023, Volume: 4 Issue: 2, 561 - 570, 26.12.2023

Cem Güdür , Türker Türkoğlu , İlker Eren

https://doi.org/10.55546/jmm.1357217

Cited By: 2

Abstract

In this study, tensile strengths of different polymer-based materials PLA (Polylactic Acid), ABS (Acrylonitrile Butadiene Styrene), and PETG (Polyethylene Terephthalate Glycol) were investigated by applying BCC (Body-Centered Cubic), FCC (Face-Centered Cubic) and Gyroid lattice designs with FDM (Fused Deposition Modeling) method which one of the additive manufacturing methods. In addition, weight reduction was performed in the materials with the lattice designs applied. After the mechanical tests, it was determined that the lattice structure has an important role in tensile strengths. Especially in the gyroid lattice structure, which is one of the TPMS (Triply Periodic Minimal Surface) lattice types, it was determined that the maximum strength was obtained in PLA material. In terms of % deformation, the maximum elongation was obtained for PETG material in the gyroid lattice structure. In addition, weight reduction was aimed by using lattice structure patterns, and the maximum weight reduction was found in the BCC lattice structure.

Keywords

Additive manufacturing, Lattice designs, Fused deposition modelling, PLA, ABS, PETG

Eriyik Yığma Modelleme ile Üretilen PLA, ABS VE PETG Polimerlerinin Özellikleri Üzerinde Kafes Tasarımı ve Proses Parametrelerinin Etkisi

Abstract

Bu çalışmada, farklı polimer esaslı PLA (Polilaktik Asit), ABS (Akrilonitril Bütadien Stiren) ve PETG (Polietilen Tereftalat Glikol) malzemelerinin mekanik özellikleri, eklemeli imalat yöntemlerinden biri olan FDM (Fused Deposition Modeling) yöntemi ile BCC (Body-Centered Cubic), FCC (Face-Centered Cubic) ve Gyroid kafes tasarımları uygulanarak incelenmiştir. Ayrıca kafes tasarımları uygulanan malzemelerde ağırlık azaltımı gerçekleştirilmiştir. Mekanik testler sonrasında kafes yapısının mekanik özelliklerde önemli bir role sahip olduğu tespit edilmiştir. Özellikle TPMS (Triply Periodic Minimal Surface) kafes tiplerinden biri olan gyroid kafes yapısında maksimum mukavemetin PLA malzemesinde elde edildiği belirlenmiştir. Deformasyon yüzdesi açısından ise en fazla uzama gyroid kafes yapısındaki PETG malzemesi için elde edilmiştir. Ayrıca kafes yapıları kullanılarak ağırlık azaltımı hedeflenmiş ve maksimum ağırlık azaltımı BCC kafes yapısında bulunmuştur.

Keywords

Eklemeli imalat, Kafes tasarımı, Eriyik yığma modelleme, PLA, ABS, PETG

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