Comparison of Mechanical Properties of PLA and ABS Based Structures Produced by Fused Deposition Modelling Additive Manufacturing

Year 2021, Issue: 27, 802 - 809, 30.11.2021

Koray Özsoy , Ali Erçetin , Zihni Alp Çevik

https://doi.org/10.31590/ejosat.983317

Cited By: 14

Abstract

Fused deposition modelling (FDM) additive manufacturing is a technology that works horizontally and vertically in which an extrusion nozzle moves on a building platform. Knowing the mechanical properties of the parts manufactured by the FDM method is very important for the parts to work efficiently in places of usage. Additive manufacturing with the FDM method is widespread due to its advantages such as easy-to-use features, low cost, flexibility in material options, and less processing after printing. Two different polymer materials (PLA and ABS), tensile, compression test and 3 point bending tests, a total of 36 test specimens were printed on the FDM type printer. The samples obtained were subjected to mechanical tests to determine their mechanical properties. As a result of the study, the effect of the samples' mechanical properties produced by the PLA and ABS-based FDM method was examined and compared with the literature. The results showed that the mechanical properties of PLA and ABS material are highly dependent on the filling density. While the mechanical properties were improved by the increase in filling density rate, the print speed has been decreased. The research findings obtained are of a nature that will guide the optimization of the FDM method's parts in terms of mechanical properties.

Keywords

Additive Manufacturing, Fused Deposition Modelling, PLA, ABS, Tensile Strength, 3-Point Bending

Eriyik Yığma Modellemesi Eklemeli İmalat ile Üretilen PLA ve ABS Esaslı Yapıların Mekanik Özelliklerinin Karşılaştırılması

Abstract

Eriyik yığma Modellemesi (FDM), bir ekstrüzyon nozulunun bir inşa platformu üzerinde hareket ettiği yatay ve dikey olarak çalışan bir teknolojidir. FDM yöntemiyle üretilen parçaların mekanik özelliklerinin bilinmesi, parçaların kullanım yerlerinde verimli çalışabilmesi için çok önemlidir. FDM yöntemi ile eklemeli imalat, kolay kullanım özellikleri, düşük maliyeti, malzeme seçeneklerinde esneklik ve baskı sonrası daha az işlem yapılması gibi avantajları nedeniyle yaygın olarak kullanılmaktadır. FDM tipi yazıcıda iki farklı polimer malzeme (PLA ve ABS), çekme, basma testi ve 3 nokta eğilme testleri olmak üzere toplam 36 adet test numunesi basılmıştır. Elde edilen numuneler mekanik özelliklerini belirlemek için mekanik testlere tabi tutulmuştur. Çalışma sonucunda PLA ve ABS esaslı FDM yöntemi ile üretilen numunelerin mekanik özelliklerine etkisi incelenmiş ve literatür ile karşılaştırılmıştır. Elde edilen araştırma bulguları, FDM yönteminin parçalarının mekanik özellikler açısından optimizasyonuna rehberlik edecek niteliktedir.

Keywords

Eklemeli İmalat, Eriyik Yığma Modellemesi, PLA, ABS, Çekme Dayanımı, 3-Nokta Eğme.

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