Eriyik Biriktirme Yönteminde Üretim Parametrelerinin Mekanik Özelliklere Ve Parçaların İç Yapısına Etkisinin İncelenmesi

Year 2020, Volume: 8 Issue: 1, 617 - 630, 31.01.2020

Efecan Karaman , Oğuz Çolak

https://doi.org/10.29130/dubited.592468

Cited By: 3

Abstract

Eriyik biriktirme yöntemi
termoplastik esaslı malzemelerin yarı eriyik hale getirilerek birbiri üstüne
katman katman yığılması ile üretim gerçekleştiren bir eklemeli imalat
teknolojisidir. Eklemeli imalatta plastik esaslı parçaların üretimi için
kullanılabilecek birçok teknoloji bulunmasına karşın, düşük maliyet, düşük
artık malzeme oranları ve kullanım kolaylığı gibi nedenlerle en çok tercih
edilen yöntem eriyik biriktirme yöntemidir. Yöntem sunduğu avantajların yanı
sıra birçok üretim parametresine sahiptir. Bu parametreler üretilen parçaların
mekanik özellikleri üzerinde etkili olmaktadır. Bu çalışmada üretim açısı ve
doluluk oranı olmak üzere iki farklı üretim parametresi kullanılarak, ABS Plus
ve karbon elyaf takviyeli ABS kompozit malzemelerinden test numuneleri
üretilmiş ve üretilen numunelere çekme testleri uygulanmıştır. Çekme testleri
sonucu üretim parametrelerinin parçaların mekanik özellikleri üzerindeki
etkileri incelenmiştir. Kırık yüzeylerden Taramalı Elektron Mikroskobu (SEM)
görüntüleri alınarak, üretim parametrelerinin parça içyapısında meydana
getirdiği değişimler değerlendirilmiştir. Elde edilen sonuçlarda, doluluk oranının
artması tüm numunelerde iyi mekanik özellikler gösterirken, farklı üretim
açılarının mekanik özellikler üzerinde önemli etkiye sahip olduğu görülmüştür.

Keywords

Eriyik biriktirme yöntemi, Üretim parametreleri, Polimer matrisli kompozitler

Supporting Institution

Anadolu Üniversitesi Bilimsel Araştırma Projeleri

Project Number

1605F440

Thanks

Bu çalışma Anadolu Üniversitesi Bilimsel Araştırma Projeleri tarafından desteklenmiştir (Proje no: 1605F440).

The Effects of Process Parameters on Mechanical Properties and Microstructures of Parts in Fused Deposition Modeling

Abstract

Fused deposition
modeling is an additive manufacturing technology that produces parts layer by
layer deposition of semi molten thermoplastic materials. Although there are
many technologies that can be used for the production of plastic based parts in
additive manufacturing, the most preferred method is Fused deposition modeling
due to low costs, minimal wastage and the ease of use. In addition to the
advantages of the method, it has many process parameters. These parameters have
an effect on the mechanical properties of the manufactured parts. In this
study, test samples were produced from ABS Plus and carbon fiber reinforced ABS
composite materials by using two different process parameters as build angle
and infill density then tensile tests were performed on the produced samples.
As a result of tensile tests, the effects of the process parameters on the
mechanical properties of the parts were investigated. Scanning electron
microscopy images were taken from the fracture surfaces and the changes caused
by the process parameters were evaluated. The results show that the increase in
the infill density exhibited an increase in the mechanical properties in all
parts and the different build angles have significant effect on determination of
mechanical properties.

Keywords

Fused deposition modeling, Build angle

Project Number

1605F440

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