
handle: 20.500.12809/7729
In this study, perpendicular to the surface of the tensile strength and screw holding strength in the direction perpendicular to the surface of MDF, and the effect of the heat treatment on surface roughness of MDF, have been studied. Samples to use in the experiments have been prepared from MDF provided by market in accordance with the standards. MDF samples have been subjected to heat treatment in the degrees of 120 oC , 150 oC and 180 oC for 2, 4 and 6 hours. In the data of the surface perpendicular to the direction perpendicular to the surface of the screw holding strength, significant reductions have been established with the increase of temperature and time. Also, the decrease of surface roughness value has been determined with the increase of temperature and time.
Bu çalışmada; ısıl işlemin MDF’nin yüzeye dik yönde çekme ve yüzeye dik yönde vida tutma direnci ile yüzey pürüzlülüğüne etkisi araştırılmıştır. Piyasadan temin edilen MDF örnekleri; 120 oC, 150 oC ve 180 oC’lerde 2, 4 ve 6 saat süreyle ısıl işleme tabi tutulmuştur. Sıcaklık ve sürenin artmasıyla birlikte yüzeye dik yönde vida tutma direnci ve yüzeye dik yönde çekme direnci değerlerinde belirgin azalmalar görülmüştür. Sıcaklık ve sürenin artmasıyla birlikte yüzey pürüzlülüğü değerlerinin de azaldığı belirlenmiştir.
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