A Study on the Production Process and Properties of Cement-Based Wood Composite Materials

Yıl 2019, , 219 - 228, 20.12.2019

Halil Turgut Şahin , Ali İhsan Kaya , Ömer Ümit Yalçın Şemsettin Kılınçarslan Yasemin Şimşek George İ. Mantanis

https://doi.org/10.29048/makufebed.607377

Cited By: 4

Öz

Due to the growing environmental concern, lignocellulosic
materials have become a common substitute for the conventional reinforcement
element in composite strcutures. However, these natural sources are preferred
to cost efficient and to increase mechanical performances. In a cement bonded
composites, wood is incorporated as an aggregate in the mineral matrix (as
fibres, sawdust, shavings or particles), and cement acts as a binder. These are
employed due to their ease of production, and the enhanced biodegradability,
leading to applications for sustainable purposes in construction applications. Wood-cement
composites are considerably better performance on high fire, weathering and
bio-deterioration risk applications to which solid wood and resin bonded
composites are vulnerable. However, the vast of literature on cement-wood
bonded composites has already been reviewed and pointed by a number of researchers.
Many valuable fundamental informations have already established for utilizing
wood for these products. A comprehensive results was to investigate some wood
species that are abundant resources in many countries, for their suitability
for manufacturing such composites.

Anahtar Kelimeler

Cement, wood, composites, mechanical properties

Çimento Esaslı Odun Kompozit Malzemelerin Üretim Prosesi ve Özellikleri Üzerine Bir Çalışma

Öz

Çevre ve doğayı korumaya
olan ilginin giderek artması sonucu, lignoselüloik esaslı kaynakların kompozit
malzemelerin yapısında güçlendirici eleman olarak kullanımına olan ilginin
artmasına neden olmuştur.  Zira bu doğal
kaynaklar, daha düşük maliyetlidirler ve yeterli direnç özelliklerin
sahiptirler. Çimento ile yapıştırılmış odun esaslı kompozit malzemelerde tipik
olarak çimento ile odun veya türevleri (talaş, yonga, lif vb.) mineral matris
yapıda çimento ile bağ yaparak çimentonun bağlayıcılığında bir arada
bulunurlar.  Bu malzemeler, kolay üretime
imkan sağlamaları yanında gelişmiş biyobozunma sağlamaları ve sürdürülebilir
kaynaklardan üretilmelerinden dolayı yapı ve konstrüksiyon işleri için
uygundurlar. Odun-çimento esaslı kompozit malzemeler, sentetik reçine ile
üretilmiş kompozitlere göre daha yüksek yangına, dış atmosferik şartlara ve
biyolojik bozunmalara dayanım gösterirler. Günümüzde, çimento esaslı kompozitler
çok sayıda literatür bilgileri mevcuttur. Birçok araştırmacı tarafından
çimento-esaslı kompozit malzemelerin üzerine çalışmalar yapılmış ve bulgular
rapor edilmiştir. Birçok önemli ve değerli bilgiler bu çalışmalardan
sağlanabilir.  Farklı odun türleri için
dünyanın bazı bölgelerinde karşılaştırmalı çalışmalar yapılmış ve çimentolu
üretime uygunlukları uygunluğu konusunda bazı öneriler bulunmaktadır.

Anahtar Kelimeler

Çimento, odun, kompozitler, mekanik özellikler

Kaynakça

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