At Kıllı Dokuma Kumaşlar ile Takviye Edilmiş LLDPE Kompozitlerin Mekanik Özellikleri

Yıl 2025, Cilt: 40 Sayı: 1, 99 - 109, 26.03.2025

Sümeyye Üstüntağ

https://doi.org/10.21605/cukurovaumfd.1665893

Öz

Bu çalışma, takviye malzemesi olarak at kuyruğu kılından dokunmuş kumaşlar kullanarak LLDPE (Doğrusal Düşük Yoğunluklu Polietilen) bazlı kompozitlerin mekanik özelliklerini iyileştirmeyi amaçlamaktadır. Kumaş üretiminde çözgü ve atkı iplikleri olarak her biri 20 kıldan oluşan demetler kullanılmıştır. Çözgü sıklığı sabit tutulurken, iki farklı atkı sıklığı (5 demet/cm ve 7 demet/cm) kullanılmıştır. Dokuma tipi olarak 2/1 dimi ve düz dokuma seçilmiştir. Referans numune hariç tüm kumaşlar etilen vinil asetat (EVA) ile kaplanmıştır. Kaplama işlemi, işlenmemiş kumaşlara kıyasla kompozitin atkı yönündeki çekme dayanımını %11,69 oranında artırmıştır. Kumaşın atkı sıklığı arttıkça, kompozitlerin atkı yönündeki çekme ve eğilme dayanımları iyileşmiştir. 2/1 dimi dokuma yapısına sahip kompozitlerde, düz dokumaya kıyasla çekme dayanımında hafif bir azalma gözlemlenirken, eğilme dayanımında ise düz dokuma yapısıyla artış kaydedilmiştir.

Anahtar Kelimeler

At kılı, Dokuma kumaş, Kompozit, Etilen vinil asetat, Doğrusal Düşük Yoğunluklu Polietilen

Mechanical Properties of LLDPE Composites Reinforced with Woven Horsehair Fabrics

Öz

This study aims to enhance the mechanical properties of linear low-density polyethylene (LLDPE) based composites by utilizing fabrics woven from horse tail hair as reinforcement. The warp and weft thread comprised bundles containing 20 hairs each in fabric production. The warp density was kept constant while two different weft densities, 5 bundles/cm and 7 bundles/cm, were used. Plain and 2/1 twill were selected as the weave type. All fabrics, except for the reference sample, were coated with ethylene vinyl acetate (EVA). The coating increased the tensile strength of the composite in the weft direction by 11.69% compared to untreated fabrics. As the fabric’s weft density increased, the tensile and flexural strength of the composites in the weft direction improved. A slight decrease in tensile strength was observed in the composites with the 2/1 twill weaving structure compared to the plain weaving, while an increase in flexural strength was noted with the plain weaving structure.

Anahtar Kelimeler

Horsehair, Woven fabric, Composite, Ethylene vinyl acetate, Linear low-density polyethylene

Kaynakça

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