Mechanical, Tribological, and Biological Properties of Short Carbon Fiber/ Nano Hydroxyapatite Reinforced Hybrid Epoxy Composites

Öz

This investigation intends to examine the mechanical, tribological, and biological properties of hybrid epoxy composites reinforced with nanohydroxyapatite (nHA) and short carbon fiber (SCF). Due to its advantageous mechanical, tribological, and biocompatibility features, the proposed E/SCFs-nHA hybrid composites are meant to be recommended for composite structures that can be used to develop fixation plates used in orthopedic applications. In this study, single-layer hybrid composites reinforced with SCFs and nHA in varying ratios, as well as pure epoxy (E) and epoxy-carbon fiber composites, were all fabricated by hand lay-up method. Tensile tests, 3-point bending tests, and Izod impact tests were performed to investigate their mechanical characteristics. Moreover, the hybrid composite samples were tested for their biological properties in simulation body fluid (SBF). Mechanical and biological properties were found to be enhanced according to the results. Consequently, the hybrid composite (E-10CF-3nHA) of 10% carbon fiber (CF) and 3% nanohydroxyapatite (nHA) performed the best in all tests.

Anahtar Kelimeler

• Carbon Fiber
• Epoxy
• Mechanical Properties
• Composite Materials

Kısa Karbon Fiber/Nano Hidroksiapatit Takviyeli Hibrit Epoksi Kompozitlerin Mekanik, Tribolojik ve Biyolojik Özellikleri

Öz

Bu çalışmanın amacı, kısa karbon elyaf (SCF) nano hidroksiapatit (nHA) ile güçlendirilmiş hibrid epoksi kompozitlerinin mekanik, tribolojik ve biyolojik özelliklerini incelemektir. Sahip oldukları mekanik, tribolojik ve biyouyumlulukları ile E/SCF-nHA hibrid kompozitleri, ortopedik uygulamalarda gerekli sabitleme plakalarını üretmek için kullanılabilecek kompozit yapılar için önerilmektedir. Bu çalışmada, SCF ve nHA ile çeşitli oranlarda güçlendirilmiş tek katmanlı hibrit kompozitler, saf epoksi (E) ve epoksi karbon elyaf kompozitler, el yatırması yöntemiyle üretilmiştir. Mekanik özelliklerini incelemek için çekme testleri, 3 noktalı eğme testleri ve Izod darbe testleri yapılmıştır Ayrıca, hibrit kompozit numunelerin biyolojik özellikleri yapay vücut sıvısında (SBF) bekletilerek incelenmiştir. Test sonuçları, mekanik ve biyolojik özelliklerin iyileştirildiğini göstermiştir. Buna göre, %10 karbon fiber (CF) ve %3 nano hidroksiapatit (nHA) içeriğine sahip E-10CF-3nHA hibrit kompozit, yürütülen tüm testlerde en iyi sonuçları göstermiştir.

Anahtar Kelimeler

• Karbon Elyaf
• Epoksi
• Mekanik Özellikler
• Kompozit Malzemeler

Kaynakça

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