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In this investigation, Guadua angustifolia Kunth particles composites with sizes of 500 μm and 300 μm with polymer matrix were manufactured. The goal was to evaluate the physical-mechanical properties of the composites and compare them with the results obtained in commercial composites. The mechanical properties were analyzed using a general factorial design with one factor, two levels and three response variables. The adhesion of guadua particles showed greater resistance to tensile stresses and modulus of elasticity compared to that obtained in commercial composites. Guadua composites showed greater resistance to penetration due to the smaller volume of empty spaces between particles. In water absorption tests, guadua composites had up to 69% absorption and 16% thickness increase in 24 hours versus 86% and 22% respectively in commercial composites. Also, in mechanical tests, the 500 μm guadua composites was 23% higher in flexural strength compared to the commercial composite. In addition, the 500 μm and 300 μm guadua composites had greater tensile strength of up to 57% and 32% respectively compared to the commercial composite. In hardness tests, the guadua composites showed greater resistance to penetration compared to the commercial composite. 208 A. Gaitán-Bermúdez, G. Fonthal-Rivera

Fabricación y análisis mecánico de compuestos de bambú Guadua angustifolia Kunth