FLEXURAL BEHAVIORS OF SANDWICH COMPOSITES PRODUCED USING RECYCLED AND NATURAL MATERIAL

Year 2018, , 64 - 73, 27.06.2018

H Ersen Balcıoğlu

https://doi.org/10.22531/muglajsci.421813

Cited By: 6

Abstract

Recently, for
making the low-cost engineering materials the use of natural fibers as
reinforcement in polymers composites has brought forth a lot of interest. The
use of natural products instead of synthetic materials reduces the amount of
carbon released into the atmosphere. Nevertheless, reuse of used materials by
recycled is important both for the environment and for economic reasons. In
this study, flexural behaviors of sandwich composites manufactured by using
natural and recycled material were investigated. In this context, 9 different
core materials, which were made by using 3 different granules size (1 mm, 2 mm
and 4 mm) and 3 different core thickness (4 mm, 8 mm and 12 mm), were
manufactured from waste vehicle tires. After, sandwich composites were produced
by combining the core materials with natural jute fabric reinforced laminated
composites. In order to test the usability of the produced sandwich composite
materials as building material, the flexural behaviors of the sandwich
composite were investigated under three-point bending load. Test results show
that flexural behavior of the material varies according to the granular size
and thickness of the core material.

Keywords

Sandwich composite, flexural modulus, flexural strength, recycling, natural fibers, granule size, core thickness

GERİ DÖNÜŞTÜRÜLMÜŞ VE DOĞAL MALZEME KULLANILARAK ÜRETİLEN SANDVİÇ KOMPOZİTLERİNİN EĞİLME DAVRANIŞLARI

Abstract

Son yıllarda, düşük
maliyetli mühendislik malzemeleri üretebilmek için polimer malzemelerde takviye
olarak doğal fiberler kullanımı üzerine ilgi artmaktadır. Sentetik malzemeler
yerine doğal ürünlerin kullanılması atmosfere salınan karbon miktarını azaltmaktadır.
Bununla birlikte, kullanılmış malzemelerin geri dönüştürülerek yeniden
kullanılması hem çevre hem de ekonomik nedenlerden dolayı önemlidir.  Bu
çalışmada, doğal ve geri dönüştürülmüş malzeme kullanılarak üretilen sandviç
kompozitlerin eğilme davranışları incelenmiştir. Bu bağlamda, 3 farklı granül
boyutu (1 mm, 2 mm ve 4 mm) ve üç farklı çekirdek kalınlığı (4 mm, 8 mm ve 12
mm) kullanılarak yapılan dokuz farklı çekirdek malzemesi kullanılmış taşıt
lastiğinden imal edilmiştir. Daha sonra çekirdek malzemeler doğal jüt kumaş
takviyeli tabakalı kompozitler ile birleştirilerek sandviç kompozitler
üretildi. Üretilen sandviç kompozit malzemelerin yapı malzemesi olarak
kullanılabilirliğini test etmek için, üç nokta eğilme yükü altında eğilme davranışları
incelenmiştir. Test sonuçları, malzemenin eğilme davranışının, çekirdek
malzemenin tanecik boyutuna ve kalınlığına göre değiştiğini göstermektedir.

Keywords

Sandviç kompozit, eğilme modülü, eğilme dayanımı, geri dönüşüm, doğal lifler, granül boyutu, çekirdek kalınlığı

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