The effect of the densification process on dowel tensile performance with different types of glues

Q3 Agricultural and Biological Sciences

Folia Forestalia Polonica, Series A Pub Date : 2022-12-01 DOI:10.2478/ffp-2022-0021

Ersin Ercan, K. Aydın, Cansu Özder, M. Atar

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Abstract

Abstract This study was performed to determine the effects of the densification process and glue type in wood material on dowel tensile performance. For this purpose, 8 mm and 10 mm diameter dowels were obtained from black poplar (Populus nigra) and Eastern spruce (Picea orientalis L.), which were densified at 50% and 75% ratios. The dowels were bonded with PVAc and D-VTKA glue separately after drilling 18 mm deep holes in the edge of the melamine-coated particleboard. The tensile performance test was determined with the Universal test device according to TS 2475 and ASTM-D 1035 principles. As a result, Eastern spruce wood had the highest tensile performance (kg/cm2), and poplar wood had the lowest (173.66). For the dowel diameter parameter, the highest value (195.11) was found at 8 mm in diameter and the lowest value (161.05) was found at 10 mm in diameter. In terms of glue type, the highest value (185.92) was seen at PVAc while the lowest value (170.24) was seen at D-VTKA. And for the densification ratios, the highest value (191.4) was determined at 75%, while the lowest value was found in control samples at (167.4). According to the wood species, densification ratio, dowel diameter and glue type interaction, the highest value was determined at Es + d75% + 10mm + PVAc as (303.5) and the lowest value was found at P + d50% + 10mm + Dv as (110). As a result, where the dowel's high tensile performance is sought, using a 10 mm diameter dowel made from 75% densified spruce wood with PVAc glue may be advantageous.

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用不同类型的胶水致密化工艺对销钉拉伸性能的影响

摘要:本研究旨在研究木材致密化工艺和胶水类型对销钉拉伸性能的影响。选用直径为8 mm和10 mm的针孔，密度分别为50%和75%的黑杨和东方云杉。在涂有三聚氰胺的刨花板边缘钻孔18mm深后，分别用PVAc和D-VTKA胶粘接销子。根据TS 2475和ASTM-D 1035的原理，用通用试验装置进行拉伸性能试验。结果表明，东云杉材的拉伸性能最高(kg/cm2)，杨木最低(173.66 kg/cm2)。销钉直径参数在直径为8 mm时最大值为195.11，在直径为10 mm时最小值为161.05。在胶型方面，PVAc最高，为185.92,D-VTKA最低，为170.24。密度比在75%时达到最高值(191.4)，在对照样品中达到最低值(167.4)。根据木材种类、密度比、钉径和胶型相互作用的不同，Es + d75% + 10mm + PVAc as值最高(303.5)，P + d50% + 10mm + Dv as值最低(110)。因此，在寻求销钉的高抗拉性能的地方，使用直径为10mm的由75%致密云杉木材和pvc胶制成的销钉可能是有利的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Folia Forestalia Polonica, Series A Agricultural and Biological Sciences-Forestry

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： FOLIA FORESTALIA POLONICA, SERIES A – FORESTRY is a forest science magazine addressed to scientists, administrators and policy-makers in forestry, agroforestry, ecology, environment and resource management. The language of publication is English and papers from any region of the world are welcome.