Evaluation of adhesion strength of heat treated wood material using dipping and atomization methods

Öz

The aim of this study is to evaluate the heat treated wood coating performance using dipping and atomization methods. Heat treatment temperature, treatment time, wood direction and application types were selected as independent variables while adhesion strength was determined as a dependent variable. The artificial weathering test was used to determine the performance of the surface coating applied to the heat-treated wood materials. The factors affecting the surface coating performance after the artificial weathering test were evaluated by multivariate analysis of variance (MANOVA) and pareto analysis. According to results, adhesion strength was found to be higher in both methods at 190° C temperature and 2 hours of application time. Adhesion strength in the radial direction was found to be better than the tangential direction, and it was observed that especially the dipping method created a significant interaction on the material direction and affected the adhesion strength considerably.

Anahtar Kelimeler

• wood coating
• Heat treatment
• Design of experiment
• Dipping
• Atomization
• Pareto analysis

Daldırma ve atomizasyon yöntemleri kullanılarak ısıl işlem uygulanmış ahşap malzemenin yapışma direncinin belirlenmesi

Öz

Bu çalışmanın amacı, daldırma ve atomizasyon yöntemlerini kullanarak ısıl işlem görmüş ahşap malzemenin yapışma direnci performansını değerlendirmektir. Isıl işlem sıcaklığı, işlem süresi, ahşap yönü ve uygulama türleri bağımsız değişkenler, yapışma mukavemeti ise bağımlı değişken olarak belirlenmiştir. Isıl işlem görmüş ahşap malzemelere uygulanan yüzey kaplamasının performansını belirlemek için yapay yaşlandırma testi kullanılmıştır. Yapay yaşlandırma testi sonrası yüzey işlem performansını etkileyen faktörler, çok yönlü varyans analizi (MANOVA) ve pareto analizi ile değerlendirilmiştir. Elde edilen sonuçlara göre 190°C sıcaklıkta ve 2 saatlik uygulama süresinde her iki yöntemde de yapışma mukavemeti daha yüksek bulunmuştur. Radyal yöndeki yapışma mukavemetinin teğetsel yönden daha iyi olduğu görülmüş ve özellikle daldırma yönteminin malzeme yönü üzerinde önemli bir etkileşim oluşturduğu ve yapışma mukavemetini önemli ölçüde etkilediği gözlemlenmiştir.

Anahtar Kelimeler

• Ahşap Yüzey İşlem
• Isıl İşlem
• Deney Tasarımı
• Daldırma
• Atomizasyon
• Pareto Analizi.

Kaynakça

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