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Journals / Uludağ Üniversitesi Mühendislik Fakültesi Dergisi / 2019 / Cilt: 24 Sayı: 3

Effect of Number of Surface Fiber Layers on Flexural Behavior in Three Dimensional Integrated Woven Spacer Reinforced Sandwich Composites

ÜÇ BOYUTLU DOKUMA KUMAŞ TAKVİYELİ SANDVİÇ KOMPOZİTLERDE YÜZEYLERDEKİ ELYAF KATMAN SAYISININ EĞİLME DAVRANIŞINA ETKİSİ

Rukiye Ertan(BURSA ULUDAĞ ÜNİVERSİTESİ)0000-0002-9631-4607
Abdil Kuş(BURSA ULUDAĞ ÜNİVERSİTESİ)0000-0002-4626-0719
İsmail Durgun(İsmail Durgun Eğitim & Danışmanlık)0000-0003-4280-3381
Pages
231–240
Publication Date
2019-12-31
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results showed that the sandwich composites increased their resistance to flexural with increasing number of surface layers.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the effect of number of surface layers on the flexural behavior of carbon fiber surfaced 3D integrated woven spacer sandwich composite structures was investigated.
📊
Key Findings & Data:The resin impregnated carbon fibers used as the bottom and top surface material were joined to the threedimensional intermediate fabric in 2, 3 and 4 layers using a vacuum infusion technique.
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Conclusion & Impact:The results showed that the sandwich composites increased their resistance to flexural with increasing number of surface layers.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Sandviç kompozit · karbon elyaf · katman

Abstract

In this study, the effect of number of surface layers on the flexural behavior of carbon fiber surfaced 3D integrated woven spacer sandwich composite structures was investigated. The resin impregnated carbon fibers used as the bottom and top surface material were joined to the threedimensional intermediate fabric in 2, 3 and 4 layers using a vacuum infusion technique. Two different polymer materials, epoxy and polyester, were used as resin material. The composite sandwiches plates with different surface thicknesses and resin materials are cut into samples according to the standards. In order to test the flexural behavior, three point bending tests were performed at room temperature and the flexural force-displacement curves of the samples were established. The results showed that the sandwich composites increased their resistance to flexural with increasing number of surface layers. It has been found that epoxy matrix composites exhibit higher strength than polyesters and that the increase in strength due to layer thickness is greater.

Özet

Bu çalışmada karbon elyaf yüzeyli üç boyutlu dokuma sandviç kompozit yapıların farklı yüzey katman sayısının eğilme davranışına etkisi incelenmiştir. Alt ve üst yüzey malzemesi olarak kullanılan reçine emdirilmiş karbon elyaflar vakum infüzyon tekniği kullanılarak 2, 3 ve 4 katman halinde üç boyutlu ara kumaşa birleştirilmiştir. Reçine malzemesi olarak epoksi ve polyester olmak üzere iki farklı polimer malzeme kullanılmıştır. Farklı yüzey kalınlıklarına ve reçine malzemesine sahip sandviç kompozit plakalar standartlara uygun numuneler halinde kesilmiştir. Eğilme davranışını test etmek için oda sıcaklığında üç nokta eğilme deneyleri yapılmış ve numunelerin eğilme kuvveti-sehim eğrileri oluşturulmuştur. Sonuçlar, sandviç kompozitlerin yüzey malzemesi katman sayısı artışı ile birlikte eğilmeye karşı dirençlerinin arttığını göstermiştir. Epoksi matrisli kompozitlerin polyestere kıyasla daha yüksek dayanım sergiledikleri ve katman kalınlığına bağlı dayanımın artışının daha fazla olduğu tespit edilmiştir.

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Cite This Article

Ertan, R., Kuş, A., Durgun, İ. (2019). Effect of Number of Surface Fiber Layers on Flexural Behavior in Three Dimensional Integrated Woven Spacer Reinforced Sandwich Composites. Uludağ Üniversitesi Mühendislik Fakültesi Dergisi, Cilt: 24 Sayı: 3, 231–240. https://doi.org/10.17482/uumfd.540420

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