Hurşit Sefa AYDIN, Ömer Yunus GÜMÜŞ, İsrafil KÜÇÜK

Eriyik Yığma Modellemesi Esaslı Üç Boyutlu (3B) Eklemeli Üretim Tekniği Kullanılarak Poliüretan Malzemeden Bir Yapay İnsan Kulak Kepçesi Üretimi

Son yıllarda 3B baskı teknolojileri sahip olduğu yüksek üretim hızı, uygun maliyeti ve biyouyumlu malzeme üretimine imkan veren özellikleriyle yapay organ geliştirme alanına önemli yenilikler getirmiştir. Bu çalışmada, eriyik yığma modellemesi (EYM) özelliğine sahip bir 3B yazıcı kullanarak poliüretan (PU) polimeriyle hacimsel olarak farklı doluluk oranlarında (%25, %50, %75 ve %100) yapay insan kulak kepçesi üretimi gerçekleştirilmiştir. Kimyasal yapı analizleri için Fourier dönüşümlü kızılötesi (FTIR) spektroskopisi, termal analizler için termogravimetrik analiz (TGA) cihazı, yüzey görüntülerini incelemek için stereomikroskop ve taramalı elektron mikroskobu (SEM), mekanik ölçümler için sertlik ve çekme testi cihazları kullanılmıştır. Geliştirilen yapay kulak kepçelerinden en uygun tasarımın %50 doluluk oranına sahip olan kulak tasarımı olduğu belirlenmiştir.

Anahtar Kelimeler:

3B baskı, EYM, Yapay organ, Poliüretan

Production of an Artificial Human Auricle from Polyurethane by Using Three Dimensional (3D) Additive Manufacturing Technique Based Fused Deposition Modelling

In recent years, 3D printing technologies have brought significant innovations in the field of artificial organ development due to their properties such as high production speed, cost effective and enabling fabrication of biocompatible materials. In this study, artificial human auricles were produced in different infill rates (25%, 50%, 75% and 100%) volumetrically with polyurethane (PU) polymer by using a 3D printer based on fused deposition modelling (FDM). Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analyzer (TGA), stereomicroscope, scanning electron microscope (SEM), hardness tester and tensile test machine were used for chemical structure analysis, thermal analysis, surface images and mechanical measurements respectively. It was determined that the most suitable design among the developed artificial auricles is the auricle having 50% infill rate.

Keywords:

3D printing, FDM, Artificial organ, Polyurethane,

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