Sibirya’da iç ve dış mekânlarda kullanılan Sibirya çamı odununun yüzey pürüzlülüğü parametreleri ve shore D sertlik değeri üzerine ısıl işlemin etkisi

Sibirya çamının Sibirya’da yetiştiği ve odununun hafif, yumuşak, iyi işlenebilen özelliği, düzgünlüğü ve güzel doku yapısı ile kalem yapımında, inşaat alanlarında, ev yapımında, müzik aletleri yapımında, mobilya alanında ve çeşitli el sanatlarının yapımında kullanıldığı bilinmektedir. Bu araştırmada, 212oC’de 2 saat sürede ısıl işlem (ThermoWood) uygulanmış ve uygulanmamış Sibirya çamı (Pinus sibirica) odununda hazırlanmış olan örnekler üzerinde farklı zımparalar (80, 100, 120, 150, 180 ve 220 numaralı) uygulandıktan sonra yüzey pürüzlülüğüne ait parametreleri (Ra, Rz ve Rq) ve shore D sertlik değerleri araştırılmıştır. Araştırma sonuçlarına göre, pürüzlülük parametreleri ve shore D sertlik değerleri ısıl işlem ile azalmıştır. Isıl işlem sonrası shore D sertlik değerinde %20.43’lük, Ra parametrelerinde 80 numarada %22.16’lık, 100 numarada %26.25’lik, 120 numarada %36.42’lik, 150 numarada %35.71’lik, 180 numarada %36.38’lik ve 220 numarada %50.88’lik oranlarda azalmalar meydana gelmiştir. Buna ek olarak, zımpara numarasının artması ile pürüzlülük değerlerinin de azaldığı, yüzey kalitesinde artış olduğu ve iyi sonuçlara ulaşıldığı belirlenmiştir.

The effect of heat treatment on the surface roughness parameters and shore D hardness of Siberian pine wood used indoors and outdoors in Siberia

It is known that Siberian pine grows in Siberia and its wood is used in pencil making, construction sites, house construction, musical instruments, furniture and various handicrafts with its light, soft, well-workable feature, smoothness and beautiful texture. In this study, the parameters (Ra, Rz and Rq) of surface roughness and shore D hardness values were investigated after applying different abrasives (80, 100, 120, 150, 180 and 220 of number of sand) were applied on samples prepared from Siberian pine (Pinus sibirica) wood that was heat-treated (ThermoWood) at 212oC for 2 hours and untreated. According to the results of the research, the roughness parameters and shore D hardness values decreased by heat treatment. After heat treatment, there was a decrease of 20.43% in shore D hardness value, 22.16% in Ra parameters in 80 number, 26.25% in 100 number, 36.42% in 120 number, 35.71% in 150 number, 36.38% in 180 number and 50.88% in 220 number. In addition, it had been observed that with the increase of the sanding number, the roughness values decreased, there was a change in the surface quality and good results were determined.

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