Nano-Silikanın Jüt/Cam Elyaf Takviyeli Epoksi Hibrit Kompozitlerin Mekanik Özellikleri Üzerindeki Etkisi

Year 2022, Volume: 37 Issue: 2, 399 - 410, 30.06.2022

Ahmet Erkliğ Ömer Yavuz Bozkurt Wassan Falah Al-tekreetı

https://doi.org/10.21605/cukurovaumfd.1146108

Cited By: 3

Abstract

Doğal kompozitler, artan çevresel faktörler ve nispeten düşük maliyet nedeniyle son zamanlarda önem kazanmıştır. Biyolojik bozunurlukları, düşük yoğunlukları ve yüksek işlenebilirliklerine rağmen, kompozit malzemelerde tek takviye aşaması olarak doğal liflerin kullanılması, yüksek nem emilimi ve düşük mekanik özellikler gibi dezavantajları nedeniyle bazı zorluklarla karşı karşıyadır. Bu nedenle doğal kompozitler genellikle sentetik liflerle sentezlenir. Bu çalışmada jüt/epoksi kompozitler, cam elyaf tabakaları ve nano-silika parçacıkları ile hibritlenmiş çekme, eğilme ve darbe davranışları incelenmiştir. Kompozit üretiminde ağırlıkça %1, %2 ve %3 oranlarında nano silika partikülleri kullanılmıştır. Üç farklı hibrit konfigürasyonun (G1J6G1, J3G2J3, J2G1J2G1J2) yanı sıra saf jüt/epoksi ve saf cam/epoksi kompozitlerin testleri gerçekleştirildi. Deneysel sonuçlar nano-silika katkısı hem saf hem de hibrit kompozitler üzerinde önemli etkiye sahip olduğunu göstermiştir. Dış yüzeyde cam elyaf tabakası kullanılarak oluşturulan G1J6G1 hibrit konfigürasyonu en iyi gerilme mukavemeti, eğilme mukavemeti ve darbe tokluğunu vermiştir.

Keywords

Jüt/cam elyaf, Nano-silika, Hibrit kompozit

Influence of Nano-Silica on the Mechanical Properties of Jute/Glass Fiber Reinforced Epoxy Hybrid Composites

Abstract

Natural composites have gained importance recently due to increasing environmental factors and relatively low cost. Although their biodegradability, low density, and high processability, the use of natural fibers in composite materials as the only reinforcement phase faces with some challenges due to their disadvantages such as high moisture absorption and low mechanical properties. To overcome these issues, the natural fibers are generally utilized in composite materials by synthesizing with synthetic fibers. In this context, jute/epoxy composites have been hybridized with glass fiber layers and nano-silica particles to improve low mechanical properties, and the contributions of hybridization on mechanical properties are investigated through performing tensile, bending, and impact tests. Nano-silica particles in the ratio of 1%, 2%, and 3% by weight have been used in composite production. Three different hybrid configurations (G1J6G1, J3G2J3, J2G1J2G1J2) are tested as well as pure jute/epoxy and pure glass/epoxy composites. According to the experimental results, nano-silica additive has a significant effect on both non-hybrid and hybrid fiber reinforced composites. By using the glass fiber layer on the outer surface, the
highest tensile strength, flexural strength, and impact behavior have been achieved in the G1J6G1 hybrid configuration.

Keywords

Jute/glass fiber, Nano-silica, Hybrid composite

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