Demir Ağacı (Casuarina equisetifolia L.) Odunundan Üretilen Orta Yoğunlukta Lif Levhaların (MDF) Fiziksel ve Mekanik Özelliklerinin Araştırılması

Year 2022, Volume: 9 Issue: 4, 892 - 899, 18.10.2022

Osman Çamlıbel , Murat Aydın

https://doi.org/10.30910/turkjans.1098882

Abstract

Bu çalışmada, Demir ağacı (Casuarina equisetifolia L.) odunu kullanılarak, kuru life oranla 1.17 mol üre formaldehit (ÜF) reçinesi (%12.5), katı parafin (%1.5) ve %10’luk amonyum klorür solüsyonu (%1,30) eklenerek MDF üretim hattında 0.694 g/cm³ yoğunlukta levhalar üretilmiştir. Bu levhaların fiziksel ve mekanik özellikleri incelenmiştir. Fiziksel özelliklerden levhaların yoğunluğu 0.694 g/cm³, kalınlığına şişme değerleri 2 ve 24 saat için sırası ile %2.53 ve %6.01 olarak ölçülmüştür. Mekanik özelliklerden eğilme mukavemeti 35.20 MPa, elastikiyet modülü 2982.8 MPa ve çekme mukavemeti 0.42 MPa ölçülmüştür. Bu çalışmadan elde edilen verilere göre, Demir ağacından (Casuarina equisetifolia L.) üretilen MDF levhaların fiziksel ve mekanik özellikleri çekme mukavemeti hariç TS EN standardının üzerinde ölçülmüştür.

Keywords

Demir ağacı, Casuarina equisetifolia L., MDF, Mekanik özellikler, Fiziksel özellikler

Investigation of Physical and Mechanical Properties of Medium Density Fibreboards (MDF) Produced from Iron Tree (Casuarina equisetifolia L.) Wood

Abstract

In this study, ironwood (Casuarina equisetifolia L.) raw material was used. 1.17 moles of urea-formaldehyde (UF) resin (12.5%), solid paraffin (1.5%) and 10% ammonium chloride solution were added to the fibers. Boards with a density of 0.694 g/cm³ were produced in the MDF production line. The physical and mechanical properties of the boards were evaluated. Swelling in thickness for 2 and 24 h were 2.53% and 6.01%, respectively. Modulus of rupture, modulus of elasticity, and internal bonding strenght were 35.2 N/mm2, 2982.8 MPa, and 0.42 MPa, respecitvely. Average moisture content of the boards was 7.9%. According to results, except for IB, both physical and mechanical properties of the boards produced using ironwood (Casuarina equisetifolia L.) were higher than the TS EN standard.

Keywords

Ironwood, Casuarina equisetifolia L., MDF, Density, Mechanical properties, Physical properties

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