Strengthening of a Fibre-Matrix Interface: A Novel Method Using Nanoparticles

Lif-Matris Arayüzünün Güçlendirilmesi: Nanoparçacıkların Kullanıldığı Yeni Bir Yöntem

Clicks: 489
ID: 54136
2013
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Abstract
The surface of carbon fabric (CF) was treated with nanoparticles (NPs) of Ytterbium fluoride (YbF3) (40‐80nm size) in various amounts (0, 0.1, 0.3 and 0.5wt%) to improve its wettability with a Polyetherimide (PEI) matrix. The effect of treatment on the fibres of the CF was also studied by adhesion testing and fibre tow tension testing. An improvement in wettability with PEI and a slight reduction in the tensile strength of the CF was observed in these tests. Fourier transform infrared‐attenuated total reflectance spectroscopy (FTIR‐ATR) indicated the addition of functional groups on the fabric after treatment. Micro‐ Raman spectroscopy (MRS) showed a slight distortion in the structure of the CF due to the treatment. Increased roughness of the fibre surface and adhesion of NPs on the fibre surface were observed by field emission scanning electron microscopy (FESEM). Composites were developed based on untreated and surface‐treated CFs by impregnation techniques. The composites were analysed for interlaminar shear strength (ILSS) and a maximum improvement of 61% was observed for the 0.3% concentration of YbF3, followed by a slight decline in ILSS, indicating that it was the optimum dose.
Karbon kumaşın (CF) yüzeyi, bir Polieterimid (PEI) matris ile ıslanabilirliğini artırmak amacıyla çeşitli miktarlarda (ağırlıkça %0, %0,1, %0,3 ve %0,5) İterbiyum florür (YbF3) nanopartikülleri (NP'ler) (40-80 nm boyutunda) ile muamele edilmiştir. İşlemin CF lifleri üzerindeki etkisi ayrıca adezyon testi ve lif demeti çekme testi ile incelenmiştir. Bu testlerde, PEI ile ıslanabilirlikte bir iyileşme ve CF'nin çekme mukavemetinde hafif bir azalma gözlemlenmiştir. Fourier dönüşümlü kızılötesi-zayıflatılmış toplam yansıma spektroskopisi (FTIR-ATR), işlem sonrasında kumaşa fonksiyonel grupların eklendiğini göstermiştir. Mikro-Raman spektroskopisi (MRS), uygulanan işlem nedeniyle CF'nin yapısında hafif bir bozulma meydana geldiğini ortaya koymuştur. Lif yüzey pürüzlülüğündeki artış ve NP'lerin lif yüzeyine tutunması, alan emisyonlu taramalı elektron mikroskopisi (FESEM) ile gözlemlenmiştir. Emprenye teknikleri kullanılarak işlem görmemiş ve yüzey işlemi uygulanmış CF'ler esaslı kompozitler geliştirilmiştir. Kompozitler tabakalar arası kayma mukavemeti (ILSS) açısından analiz edilmiş; %0,3 YbF3 konsantrasyonunda maksimum %61'lik bir iyileşme gözlenmiş ve ardından ILSS değerinde hafif bir düşüş kaydedilerek bu konsantrasyonun optimum doz olduğu belirlenmiştir.
Reference Key
tiwari2013strengtheningnanomaterials Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Tiwari, Sudhir;Bijwe, J.;Panier, S.;
Journal nanomaterials and nanotechnology
Year 2013
DOI
DOI not found
URL
http://www.intechopen.com/journals/nanomaterials_and_nanotechnology/strengthening-of-a-fibre-matrix-interface-a-novel-method-using-nanoparticles
Keywords
chemistry microscopy Technology (General) Engineering (General). Civil engineering (General) Technology Electrical engineering. Electronics. Nuclear engineering Descriptive and experimental mechanics Mechanical engineering and machinery toxicology. poisons general works environmental engineering structural engineering (general) industrial hygiene. industrial welfare

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