Influence of a thermal treatment on the tensile strength and equilibrium moisture content of bamboo (Guadua angustifolia Kunth)

Acosta, Ricardo; Montoya, Joaquin Castro; Schmidt, Goran GND

Thermal treatments applied to lignocellulosic materials were found to induce internal chemical reactions, which modified the physical and mechanical properties and dimensional stability of the material. A 3-year-old basal section of bamboo (Guadua angustifolia Kunth), with no nodes and no skin, was subjected to a thermal treatment at temperatures which ranged from160 to 200 °C for 1 to 4 h. The tensile stiffness showed a slight increase with temperature and time, while the tensile strength showed a notable increase at 160° C for 2 h. There was a 5% difference in the equilibrium moisture content at 80% relative humidity between th euntreated samples and the 200 °C,4 h treatment.

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Acosta, Ricardo / Montoya, Joaquin / Schmidt, Goran: Influence of a thermal treatment on the tensile strength and equilibrium moisture content of bamboo (Guadua angustifolia Kunth). 2020.

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