Effect of accelerated aging on some physical and mechanical properties of bamboo

Tomak, Eylem Dizman; Topaloğlu, Elif; Ay, Nurgül; Yıldız, Ümit Cafer

doi:10.1007/s00226-011-0454-7

Cited by 29 publications

(20 citation statements)

References 18 publications

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“…Bamboo is a sustainable ecological material that can be equivalent in structural value to wood (Tomak et al 2012). It is used extensively for making furniture, flooring, pulp, and paper, etc., due to its attractive natural color, elegant texture, cultural value, ease of processing, and high strength-to-weight ratio (Wang and Ren 2008).…”

Section: Introductionmentioning

confidence: 99%

“…The depth of the photodegradation and the rate of erosion of the wood during weathering depends greatly on the density (Horn et al 1994;Evans et al 2005). Many previous studies of anti-aging treatments have focused on the changes in the physical and mechanical properties, color characteristics, and chemical composition of bamboo and bamboo-based composites (Beckers et al 1998;Cristea et al 2010;Lesar et al 2011;Tolvaj et al 2011;Srinivas and Pandey 2012;Tomak et al 2012;Baysal et al 2014;Tolvaj et al 2014;Li et al 2015;Zhu et al 2015;Shangguan et al 2016). Furthermore, the effects of the density on the performance of bamboo and bamboo-based composites have been reported Tolvaj et al 2011;Srinivas and Pandey 2012;Baysal et al 2014;Tolvaj et al 2014;Li et al 2017).…”

Section: Introductionmentioning

confidence: 99%

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Preparation and Characterization of Outdoor Bamboo-Fiber-Reinforced Composites with Different Densities

Rao¹,

Chen²,

Li³

et al. 2017

BioResources

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aOutdoor bamboo-fiber-reinforced composites (OBFRCs) with four different densities were prepared, and the microstructure and physicomechanical properties of pristine samples were evaluated. In addition, the surface color, glossiness, roughness, water absorption, and wettability of the samples were tested to investigate the effects of panel density on the extent of surface weathering due to ultraviolet radiation. The results showed that the OBFRCs exhibited excellent physical and mechanical properties, which improved with increasing density. However, increases in the density led to decreases in the hygroscopicity and dimensional stability of the OBFRCs. After weathering, the surface contact angle and surface roughness increased, and the dimensional stability improved. The surface glossiness, water absorption, and surface free energy decreased. A higher density resulted in improved color stability, which suggested that density played an important role in determining surface photodegradation properties. Thus, densityincreasing treatments had positive effects on the physical and mechanical properties as well as the color stability and wettability of the OBFRCs, but they may negatively affect the roughness and dimensional stability. Based on service-performance and cost-minimization considerations, 1.1 g/cm 3 was determined as the most appropriate density for general applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Outdoor Bamboo-Fiber-Reinforced Composites with Different Densities

Rao¹,

Chen²,

Li³

et al. 2017

BioResources

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“…The selected bamboo culms have a bottom diameter of 45 mm, a top diameter of 30 mm, and a length of 8-9 m. Bottom portions of culms were used in order to obtain the maximum wall thickness required for measurements. Node parts of bamboo culms were cut out because node parts have a complicated structure and reduce strength properties (Tomak et al, 2012). The wood specimens were cut from sapwood part of stem woods without branches and bamboo specimens were cut from internode section of culms, both of the same dimensions.…”

Section: Materijalimentioning

confidence: 99%

Effect of accelerated weathering test on selected properties of bamboo, Scots pine and Oriental beech wood treated with waterborne preservatives

Topaloğlu

2019

Drv. ind. (Online)

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This paper investigates the changes in density, compression strength parallel to grain, static modulus of rupture and modulus of elasticity of untreated (control) and waterborne-treated bamboo (Phyllostachys bambusoides), Scots pine (Pinus sylvestris) and Oriental beech (Fagus orientalis) specimens subjected to accelerated weathering using an accelerated weathering chamber for 672 hours. Wolmanit-CB (CCB), tanalith-E (Tan-E), amine copper quat-1900 (ACQ) and boric acid-borax (BB) were used as waterborne preservatives. The retention value of bamboo specimens was lower than that of wood specimens due to the difference in anatomical structure of bamboo. The value of density, compression strength parallel to grain, static modulus of rupture and modulus of elasticity of treated bamboo and wood were generally higher than those of untreated specimens after accelerated weathering. ACQ treatment generally provided the best protection against weathering in all mechanical tests for both bamboo and wood specimens, while CCB treatment provided an effective protection against weathering in compression strength for Oriental beech. BB treatment provided the least protection against weathering for bamboo and wood specimens compared to other waterborne preservatives.

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“…In outdoor applications, the BFRC are exposed to natural weathering and the durability data is important. There are several experimental studies on bamboo (Dizman Tomak et al 2012) or ply-bamboo (Anwar et al 2011), but their data are not applicable to BFRC because of differences in material preparation and testing conditions. Thus, it is necessary to accumulate as much durability data as possible.…”

Section: Introductionmentioning

confidence: 99%

Outdoor exposure tests of bamboo-fiber reinforced composite: evaluation of the physical and mechanical properties after two years

Zhu

Zhang

2014

Eur. J. Wood Prod.

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This study was aimed at evaluating physical and mechanical properties of bamboo-fiber reinforced composites subjected to outdoor exposure. Surface color, modulus of rupture, modulus of elasticity, and swelling properties were evaluated after 2 years of exposure. It has been shown that the surface color values have a decreasing tendency, and the color difference is bigger. There was a gradual decrease in MOR, MOE and shear strength properties of the samples as a function of exposure time for both of the placement angles, but all the samples still have higher mechanical values and show good dimension stability performance.

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Effect of accelerated aging on some physical and mechanical properties of bamboo

Cited by 29 publications

References 18 publications

Preparation and Characterization of Outdoor Bamboo-Fiber-Reinforced Composites with Different Densities

Preparation and Characterization of Outdoor Bamboo-Fiber-Reinforced Composites with Different Densities

Effect of accelerated weathering test on selected properties of bamboo, Scots pine and Oriental beech wood treated with waterborne preservatives

Outdoor exposure tests of bamboo-fiber reinforced composite: evaluation of the physical and mechanical properties after two years

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