ResumoAvaliou-se a influência das características anatômicas no desempenho da adesão da madeira de Vatairea sp., Paulownia sp., Aspidosperma populifolium e Tectona grandis. De pranchas Research, Society and Development, v. 9, n. 4, e31942727, 2020 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v9i4.2727 2 orientadas tangencialmente, foram produzidos corpos de prova para as análises anatômica e físico-mecânica da madeira. Os tratamentos foram juntas coladas de peças de mesmo plano de corte (radial e tangencial), avaliados quanto a resistência ao cisalhamento e falha na linha de cola. A madeira de angelim apresentou a maior massa específica aparente (0,74 g cm-3) e a madeira de kiri (0,34 g cm-3) o menor valor. A espécie peroba mica apresentou a maior resistência ao cisalhamento na linha de cola nas faces tangencial e radial. As características anatômicas com maior influência no processo de adesão da madeira foram as células de raios e as fibras, que exibiram as maiores correlações com a resistência ao cisalhamento na linha de cola.Palavras-chave: Adesivo; Linha de cola; Planos de corte; Resistência ao cisalhamento. AbstractThe aim of this study was to evaluate the influence of anatomical characteristics on the adhesion performance of Vatairea sp., Paulownia sp., Aspidosperma populifolium and Tectona grandis wood. Specimens for anatomical, physical and mechanical analyzes were produced from tangentially oriented boards. The treatments were joint glued from pieces of the same anatomical orientation (radial and tangential), evaluated for shear strength and glue line failure. The Vatairea sp wood had the highest specific gravity (0.74 g cm-3) and the Paulownia sp (0.34 g cm-3) wood was smaller. Aspidosperma populifolium species showed the highest shear strength in the glue line in the tangential and radial faces. The anatomical variables with higher influence on the wood adhesion process were pith ray cells and especially fibers that exhibit the greatest correlation with the shear strength of the glue line.
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