Physical and mechanical properties of wood impregnated with quebracho and boron compounds

Muhammed Said FİDAN, (Bursa Teknik Üniversitesi)
Hakan ADANUR (Karadeniz Teknik Üniversitesi)
FORESTIST
3 0
Yıl: 2019 Cilt: 69 Sayı: 1 Sayfa Aralığı: 68 - 80 Metin Dili: İngilizce DOI: 10.26650/forestist.2019.041645 İndeks Tarihi: 11-02-2020

Physical and mechanical properties of wood impregnated with quebracho and boron compounds

Öz:
In recent years, alternative natural impregnation materials are being sought as substitutes for chemical impregnationmaterials used for conserving wooden materials; therefore, such natural materials have acquiredsignificance in the forest products industry. In this study, the boron compounds borax and boric acid, whichare abundant raw materials in Turkey, and quebracho, a natural impregnation material, were used. For theimpregnation process, aqueous solutions of 1%, 3%, and 5% boron compounds were utilized. The test sampleswere impregnated according to ASTM D 1413-76 principles. Oven-dry density, retention rate, bendingstrength, elastic modulus, compression strength parallel to fibers, bonding strength parallel to fibers, andscrew holding strength tests of the impregnated samples were measured, and the results were comparedwith those of control samples. The retention, oven-dry density, comprehension parallel to fibers, and screwholding strength of the samples were found to be higher than those of the control samples, whereas bendingstrength, elastic modulus, and bonding strength parallel to fibers were lower. After impregnation, it wasobserved that there was a decline in strength values and a rise in retention rates with the increase in theconcentrations of boron compounds. The values for samples impregnated with borax were higher than thosefor the samples impregnated with boric acid.
Anahtar Kelime:

Konular: Çevre Bilimleri

Kebrako ve borlu bileşikler ile emprenye edilen ahşap malzemenin fiziksel ve mekanik özellikleri

Öz:
Son yıllarda orman ürünleri sanayisinde önemli bir yer işgal eden ahşap malzemelerin korunmasında kullanılan kimyasal emprenye maddelerinin yerine alternatif doğal emprenye maddeleri aranmaktadır. Bu çalışmada, Ülkemizde hammadde olarak bol bulunan borlu bileşikler (boraks ve borik asit) ile doğal emprenye maddelerinden olan kebrako kullanılmıştır. Emprenye işleminde borlu bileşiklerin %1, 3 ve 5’lik sulu çözeltileri kullanılmıştır. Deney örneklerinin emprenyesi ASTM D 1413-76 esaslarına göre yapılmıştır. Emprenyeli örneklerin tam kuru yoğunluk, retensiyon miktarı, eğilme direnci, elastikiyet modülü, liflere paralel basınç direnci, liflere paralel yapışma direnci ve vida tutma direnci testleri yapılarak kontrol örnekleri ile kıyaslanmıştır. Sonuç olarak, yapılan testler sonucunda retensiyon, tam kuru yoğunluk, liflere paralel basınç ve vida tutma dirençleri kontrol örneklerinden daha yüksek çıkmıştır. Eğilme direnci, elastikiyet modülü ve liflere paralel yapışma dirençleri ise kontrol örneklerinden daha düşük çıktığı tespit edilmiştir. Emprenye sonrası deney örneklerinde borlu bileşiklerin konsantrasyonları arttıkça direnç değerlerinde düşüş, tam kuru yoğunluk ve retensiyon miktarlarında ise artış görülmektedir. Borlu bileşiklerden boraks ile emprenye edilen örneklerde değerler borik asit ile emprenye edilenlerden daha yüksek çıkmıştır.
Anahtar Kelime:

Konular: Çevre Bilimleri
Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA FİDAN M, ADANUR H (2019). Physical and mechanical properties of wood impregnated with quebracho and boron compounds. , 68 - 80. 10.26650/forestist.2019.041645
Chicago FİDAN MUHAMMED SAİD,ADANUR HAKAN Physical and mechanical properties of wood impregnated with quebracho and boron compounds. (2019): 68 - 80. 10.26650/forestist.2019.041645
MLA FİDAN MUHAMMED SAİD,ADANUR HAKAN Physical and mechanical properties of wood impregnated with quebracho and boron compounds. , 2019, ss.68 - 80. 10.26650/forestist.2019.041645
AMA FİDAN M,ADANUR H Physical and mechanical properties of wood impregnated with quebracho and boron compounds. . 2019; 68 - 80. 10.26650/forestist.2019.041645
Vancouver FİDAN M,ADANUR H Physical and mechanical properties of wood impregnated with quebracho and boron compounds. . 2019; 68 - 80. 10.26650/forestist.2019.041645
IEEE FİDAN M,ADANUR H "Physical and mechanical properties of wood impregnated with quebracho and boron compounds." , ss.68 - 80, 2019. 10.26650/forestist.2019.041645
ISNAD FİDAN, MUHAMMED SAİD - ADANUR, HAKAN. "Physical and mechanical properties of wood impregnated with quebracho and boron compounds". (2019), 68-80. https://doi.org/10.26650/forestist.2019.041645
APA FİDAN M, ADANUR H (2019). Physical and mechanical properties of wood impregnated with quebracho and boron compounds. FORESTIST, 69(1), 68 - 80. 10.26650/forestist.2019.041645
Chicago FİDAN MUHAMMED SAİD,ADANUR HAKAN Physical and mechanical properties of wood impregnated with quebracho and boron compounds. FORESTIST 69, no.1 (2019): 68 - 80. 10.26650/forestist.2019.041645
MLA FİDAN MUHAMMED SAİD,ADANUR HAKAN Physical and mechanical properties of wood impregnated with quebracho and boron compounds. FORESTIST, vol.69, no.1, 2019, ss.68 - 80. 10.26650/forestist.2019.041645
AMA FİDAN M,ADANUR H Physical and mechanical properties of wood impregnated with quebracho and boron compounds. FORESTIST. 2019; 69(1): 68 - 80. 10.26650/forestist.2019.041645
Vancouver FİDAN M,ADANUR H Physical and mechanical properties of wood impregnated with quebracho and boron compounds. FORESTIST. 2019; 69(1): 68 - 80. 10.26650/forestist.2019.041645
IEEE FİDAN M,ADANUR H "Physical and mechanical properties of wood impregnated with quebracho and boron compounds." FORESTIST, 69, ss.68 - 80, 2019. 10.26650/forestist.2019.041645
ISNAD FİDAN, MUHAMMED SAİD - ADANUR, HAKAN. "Physical and mechanical properties of wood impregnated with quebracho and boron compounds". FORESTIST 69/1 (2019), 68-80. https://doi.org/10.26650/forestist.2019.041645
Sayfa Oluşturulma Tarihi
23-04-2024 10:14

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