Nanokompozitlerin Grafen ve Grafen Oksit ile Üretimi ve Karakterizasyonunun İncelenmesi

Abstract

Bu çalışmanın amacı, epoksi ve CF matrislerine G ve GO ekleyerek G/epoksi, GO/epoksi, G/CFRP, GO/CFRP nanokompozitlerini elde etmek ve bu nanokompozitlerin çekme mukavemeti üzerine G ve GO'nun etkisini araştırmaktır. Bu amaçla, polimer matrislerde G homojen olarak dağılmadığından, G hummers yöntemiyle GO'ya dönüştürülmüş ve elde edilen GO'nun karakterizasyon analizi yapılmıştır. SEM, EDX, FTIR, X-RD analiz sonuçları, GO'nun başarıyla elde edildiğini göstermiştir. Daha sonra epoksi ve CFRP'ye %0,1, %0,2 ve %0,3 oranında G ve GO eklenmiş ve G/epoksi, GO/epoksi, G/CFRP, GO/CFRP nanokompozitleri elde edilmiştir. G ve GO'nun bu nanokompozitlerin çekme mukavemeti üzerindeki etkisini karşılaştırmak için çekme testi uygulanmiştir. En iyi sonuç %0,2 oranında G ve GO ilavesi ile elde edilmiş ve GO'nun çekme mukavemeti üzerindeki etkisinin G'ye göre daha iyi olduğu gözlemlenmiştir.

Keywords

• Hummers metodu
• grafen
• grafen oksit
• CFRP
• nanokompozit

PRODUCTION AND CHARACTERIZATION OF NANOCOMPOSITES WITH GRAPHENE AND GRAPHENE OXIDE

Abstract

The aim of this study was to i.) obtain Graphene (G)/epoxy, Graphene Oxide (GO)/epoxy, G/carbon fiber reinforced plastic (CFRP), GO/CFRP nanocomposites by G and GO addition to epoxy and CF matrices and ii.) investigate the effect of G and GO addition on tensile strength of the nanocomposites produced. The graphene was not homogeneously distributed in polymer matrices; therefore, the G was converted into the GO using hummers method. The characterization GO was carried out by SEM, EDX, FTIR and X-RD analysis, which confirmed the successful production of the GO. The G/epoxy, GO/epoxy, G/CFRP and GO/CFRP nanocomposites were obtained by adding G and GO to epoxy and CF at a rate of 0.1, 0.2, and 0.3%. The effect of G and GO on tensile strength of the nanocomposites was determined using a tensile test. The addition of G and GO at 0.2% rate yielded the best results. The effect of GO on tensile strength was better compared to that of the G.

Keywords

• Hummers Method
• Graphene
• Graphene Oxide
• CFRP
• Nanocomposite

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