Grafen Nanoplaka Takviyeli Ultra Yüksek Molekül Ağırlıklı Polietilen Tabanlı Nano-Kompozit Malzeme Geliştirilmesi ve Karakterizasyonu

Year 2019, Volume: 21 Issue: 62, 323 - 330, 21.05.2019

Lütfiye Altay Metehan Atagür , Müslüm Erbektaş Mehmet Sarıkanat

https://doi.org/10.21205/deufmd.2019216201

Cited By: 1

Abstract

Bu
çalışmada, 0, 0.02, 0.05, 0.1 ve %0.15 ağırlık oranlarında grafen ve ultra
yüksek molekül ağırlıklı polietilen etanol içerisinde dağıtılarak grafen
takviyeli ultra yüksek molekül ağırlıklı polietilen nano-kompozit malzemeler
üretilmiştir. Ultra yüksek molekül ağırlıklı polietilen ve grafen takviyeli
kompozit malzemelerin termal performansları termogravimetrik analizler ile
tespit edilmiştir. Ultra yüksek molekül ağırlıklı polietilen ve kompozit
malzemelerin kimyasal yapısı Fourier Dönüşümlü Kızılötesi Spektroskopi ile
incelenmiştir. Bunlara ek olarak; grafen katkısının polimerin çekme
özellikleri, yüzey pürüzlülüğü, yoğunluk ve sertlik üzerine etkileri
incelenmiştir. Bu sonuçlara göre, grafen eklendikçe kompozit malzemelerin
maksimum bozunma sıcaklıkları fazla etkilenmemek ile birlikte elastisite modülü
ve sertlik artmakta, yüzey pürüzlülüğü düşmektedir. Çekme dayanımı ise
ağırlıkça %0.1 grafen katkı oranına kadar artmakta bu orandan sonra
düşmektedir.

Keywords

Kompozit malzemeler , Grafen , UHMWPE

Development and Characterization of Graphite Nanoplate Reinforced Ultra High Molecular Weight Polyethylene Based Nano-Composite Materials

Abstract

In this study, graphite filled ultra high molecular weight polyethylene nano-composite materials were produced by dispersing 0, 0.02, 0.05, 0.1 and 0.15wt % graphite (Gr) and ultra high molecular weight polyethylene(UHMWPE) in ethanol. The thermal performances of UHMWPE and Gr filled composite materials were determined by thermogravimetric analysis. The chemical structure of UHMWPE and composite materials was investigated by Fourier Transform Infrared Spectroscopy. Additionally; the effects of Gr on the tensile properties, surface roughness, density and hardness of polymer were investigated. According to these results, as the graphite is added, the maximum degradation temperatures of the composite materials are not affected much, and the modulus of elasticity and hardness increase and the surface roughness decreases. The tensile strength increased with the addition of Gr up to 0.1wt %, but decreased with the further increase of Gr weight fraction.

Keywords

Composite materials , Graphite

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