Ahşap tekne yapımında kullanılan ve doğal olarak eğri bükülmüş kestane (castanea sativa mill.)ağaçlarının bazı fiziksel ve mekaniksel özellikleri
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- Tez No: 78978
- Danışmanlar: PROF.DR. HASAN VURDU
- Tez Türü: Yüksek Lisans
- Konular: Ormancılık ve Orman Mühendisliği, Forestry and Forest Engineering
- Anahtar Kelimeler: Ahşap, Ağaçlar, Kestane ağacı, Tekneler, Wooden Ship Building, tension Wood, Chestnut (Castanea sativa Mill.), Wooden, Trees, Chestnut tree, Hulls
- Yıl: 1998
- Dil: Türkçe
- Üniversite: Zonguldak Karaelmas Üniversitesi
- Enstitü: Fen Bilimleri Enstitüsü
- Ana Bilim Dalı: Orman Endüstri Mühendisliği Ana Bilim Dalı
- Bilim Dalı: Belirtilmemiş.
- Sayfa Sayısı: Belirtilmemiş.
Özet
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Özet (Çeviri)
ABSTRACT M. Sc Thesis PHYSICAL AND MECHANICAL PROPERTIES OF NATURALLY CURVED GROWTH CHESTNUT (Castanea sativa Mill.) TREES USED FOR WOODEN SfflP BULDİNG Hikmet YAZICI Zonguldak Karaelmas University Graduate School of Natural and Applied Sciences Department of Forestry Industrial Engineering Thesis Advisor: Prof. Dr. Hasan VURDU January 1998, 118 pages. In our country, especially in the Black Sea Region, Chestnut tree is the species used commonly for wooden ship manufacturing because of strong and high quality of the wood material. In this study, pettern were prepared test spesiment from Chestnut tree with unstraight bale tensile wood and normal wood that occured at he opposite direction to tensile wood. On the specimans specific gravity, shrinkage, tensileABSTRACT (continued) strength parallel to grain, bending strenght, compression perpendicular to grain and Brinell-Hardnes values have been determined and compared with each others. Results indicated that there were considerable differences between tensile wood and normal wood in physical and mechanichal properties. Oven dry and air dry specific gravity of tensile wood were higher than normal wood. Compared with normal wood, percentages of sorption in tensile wood were low in parallel to grain, radial and tangent directions, whereas Brinell-Hardness value was found higher. From mechanical properties tensile strength, tension strength, shearing strength and bending strenght are higher in normal wood than tension wood. In addition relations between air dry specific gravity and machanichal properties have been found significantly in % 0.05 confidence interval for all of them.
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