Experimental Study of Physical Properties and Impact Bending Strength of Clonal Eucalyptus Wood

Amer, Mahyoub; Kabouchi, B.; Rahouti, Mohamed; Famiri, Abderrahim

doi:10.1007/s10765-022-03087-w

Cited by 2 publications

(4 citation statements)

References 36 publications

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“…The results obtained in our study for the volumetric, radial, and tangential shrinkage of three eucalyptus species are lower than those obtained by Amer et al (2022) for 9-year-old E.…”

Section: Wood Shrinkagecontrasting

confidence: 88%

“…The mean values of the CV for the Monnin hardness indicate that the wood of E. camaldulensis is low variability within the same species compared to the E. gomphocephala and E. cladocalyx wood. The average value of the Monnin hardness obtained in this study for E. camaldulensis wood is higher than that obtained by El Alami (2013) for 38-year-old E. camaldulensis wood, and that obtained by Amer et al (2022) for 9-yearold clonal E. camaldulensis wood.…”

Section: Monnin Hardnesscontrasting

confidence: 78%

“…Whereas the studies conducted on the species grown in Morocco, which are E. camaldulensis, E. camaldulensis clone, and E. gomphocephala of 38, 9, and 44-yearold respectively, it was shown that the E. gomphocephala wood possesses high values of the density, shrinkage, bending strength, and axial compression compared to the wood of E. camaldulensis and E. camaldulensis clone. Also, the wood of aged E. camaldulensis had higher values for indicated properties than that of young E. camaldulensis (El Alami 2013;Amer et al 2022;Famiri et al 2011). For Australian plantations with low rainfall, the studied species (E.…”

Section: Introductionmentioning

confidence: 97%

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Anatomical, physical and mechanical characterization of the wood of three eucalyptus species: E. camaldulensis Dehn, E. cladocalyx and E. gomphocephala

Tazrout

Benotmane

2023

Preprint

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Eucalyptus represents the second largest tree plantation in Algeria after Aleppo pine. However, the valorisation of its wood as lumber and wood products remains unsatisfactory. This study investigates the anatomical, physical and mechanical properties of three eucalyptus wood species (E. camaldulensis Dehn, E. cladocalyx, and E. gomphocephala), which are 35 years old. The obtained results showed that the wood of E. gomphocephala and E. cladocalyxare classified in the high-density category, while the wood of E. camaldulensis is in the medium-density category. The E. cladocalyxwood exhibits strong shrinkage in the volumetric, radial, and tangential directions. Whereas the wood of E. camaldulensis and E. gomphocephalapossesses strong volumetric shrinkage, and mean radial and tangential shrinkages. The wood of E. cladocalyx has lower average values for fiber length, fiber width, lumen diameter, and cell wall thickness, while E. camaldulensis wood exhibits higher average values for both fiber length and lumen diameter, and E. gomphocephala wood has greater average values for both fiber width and cell wall thickness. Moreover, the E. cladocalyxwood possesses the greatest bending strength and hardness, and the lowest modulus of elasticity in flexure and compression strength. Whereas, E. camaldulensis wood has the highest compression strength, and E. gomphocephala wood has the highest modulus of elasticity in bending. In addition, the bending strength, compressive strength, and hardness correlate positively with the wood density at 12% moisture content for three eucalyptus species. There are significant differences (P < 0.05) between the average values of the measured parameters for wood of three eucalyptus species. The results of this study can be used in the field of paper industry, timber structures, and industry of furniture and wood.

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“…The results obtained in our study for the volumetric, radial, and tangential shrinkage of three eucalyptus species are lower than those obtained by Amer et al (2022) for 9-year-old E.…”

Section: Wood Shrinkagecontrasting

confidence: 88%

Section: Monnin Hardnesscontrasting

confidence: 78%

Section: Introductionmentioning

confidence: 97%

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Anatomical, physical and mechanical characterization of the wood of three eucalyptus species: E. camaldulensis Dehn, E. cladocalyx and E. gomphocephala

Tazrout

Benotmane

2023

Preprint

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“…Wood hardness was the strength of a rigid body embedded in wood and plays an important role in manufacturing technology and mechanical durability (Amer et al 2022). The hardness indexes of the two Eucalypts differed to different degrees, and the end face hardness, radial hardness and tangential hardness of the two Eucalypts increased with the age of the trees, and the hardness indexes of the three surfaces were in the order of end face hardness > tangential hardness > radial hardness.…”

Section: Hardness (Brinell)mentioning

confidence: 99%

Anatomical, chemical, physical and mechanical properties of E. urophylla× grandis and E. globulus at different ages and heights in Yunnan of China

Li,

Tian,

et al. 2024

Preprint

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In order to make full use of Eucalyptus resources in Yunnan and to realize the oriented cultivation of Eucalyptus plantations and high-value utilization of Eucalyptus for wood composites, this paper analyzed the change pattern of basic wood properties and characteristics including the wood anatomical features, chemical components, physical and mechanical properties, as well as X-ray diffraction of 6–9 years old E. urophylla×grandis 3229 and E. globulus. The results showed that the cellulose content, crystallinity and hot water extractives of Eucalyptus decreased with wood age, while the lignin and hemicellulose content showed the opposite trend; pH value was positively correlated with wood height and negatively correlated with wood age. The basic density of E. urophylla×grandis and E. globules was 0.46 ~ 0.54 g/cm3, belonging to medium-low density wood. The dimensional stability and bengding strength of E. globulus were higher than those of E. urophylla×grandis; the compressive strength of E. urophylla×grandis was grade 5 (95.45 ~ 113.54 MPa) and its hardness was grade 2–3(The end hardness of 9 year reaches 5357.97 MPa.). The study showed that E. urophylla×grandis over 7 to 8 years and E. globulus over 6 year had diameters and mechanical properties that meeting the requirement of Chinese industrial timber standards.

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Experimental Study of Physical Properties and Impact Bending Strength of Clonal Eucalyptus Wood

Cited by 2 publications

References 36 publications

Anatomical, physical and mechanical characterization of the wood of three eucalyptus species: E. camaldulensis Dehn, E. cladocalyx and E. gomphocephala

Anatomical, physical and mechanical characterization of the wood of three eucalyptus species: E. camaldulensis Dehn, E. cladocalyx and E. gomphocephala

Anatomical, chemical, physical and mechanical properties of E. urophylla× grandis and E. globulus at different ages and heights in Yunnan of China

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