Baritle Emprenyenin (BaSO4) Odunun Fiziksel ve Mekanik Özellikleri Üzerine Etkisi

Yıl 2017, Cilt: 19 Sayı: 2, 160 - 165, 01.12.2017

Hüseyin Tan , Hatice Ulusoy , Hüseyin Peker

Öz

Bu çalışmada, baritin ahşapta emprenye etme
özellikleri ilk kez araştırılmıştır. Çevreyle ilgili insan sağlığına zararsız
olduğu için, bu doğal materyali çeşitli alanlarda (ör. Mobilya ve inşaat)
kullanımı amaçlanmıştır. Barit (BaSO₄) solüsyonu farklı
konsantrasyonlarda barit (% 1, % 3, % 5) ile hazırlanmış ve ASTM-D 1413-76
standartlarına göre emprenye işlemi yapılmıştır. Bu çalışmada, ağaç türleri
olarak Doğu Karadeniz bölgesinden alınan Sarıçam (Pinus sylvestris L.) ve Doğu Kayını (Fagus orientalis Lipsky) kullanılmıştır. Sonuçlar; her iki ahşap
türünde, emprenye solüsyonundaki barit konsantrasyonunun artmasıyla, retensiyon
%, fiziksel özellikler ve mekanik özelliklerin arttığını göstermiştir. En
yüksek yoğunluk (0.63 g/cm³), elastikiyet modülü (16920 N/mm²),
eğilme direnci (160.40 N/mm²) ve dinamik eğilme direnci (2.78 kpm/cm²)
değerleri, sırasıyla, %1, %5, %50 ve %50’lik derişime sahip çözeltilerle
emprenye edilen Kayın odunu örneklerinde elde edilmiştir.

Anahtar Kelimeler

Barit, Emprenye, Tutunma, Teknolojik Özellikler

The Effects of Impregnation with Barite (BaSO4) on the Physical and Mechanical Properties of Wood Materials

Öz

The aim of the study was to investigate the
effects of Barite on the physical and mechanical properties of wood. Barite as
an impregnation material was used to be harmless to environment-related human
health. Barite (BaSO₄) solution was prepared with different
concentrations of barite (1%, 3%, 5%), and the impregnation process of the
samples were conducted according to ASTM-D 1413-76. Scotch pine (Pinus sylvestris L.) and Oriental Beech
(Fagus orientalis L.) obtained from
the Eastern Black sea region in Turkey were used. According to the results, it
showed that each wood types, retention ratio, physical properties, and
mechanical properties increased with increasing concentration of barite in the
impregnation solution. For the Beech wood, the highest air-dried and dried
densities were found to the samples impregnated with solution that had a 1%
concentration (0.63 g/cm³); the highest modulus elasticity (MOE) was
in samples impregnated with solution that had a 5% concentration (16920 N/mm²);
the highest bending strength (MOR) was in samples impregnated with solution
that had a 50% concentration (160.40 N/mm²); and the highest dynamic bending
strength was in the beech impregnated with solution that had a 50%
concentration (2.78 kpm/cm²).

Anahtar Kelimeler

Barite; Impregnation; Retention; Technological properties

Kaynakça

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