Why don’t branches snap? The mechanics of bending failure in three temperate angiosperm trees

@article{Casteren2011WhyDB,
  title={Why don’t branches snap? The mechanics of bending failure in three temperate angiosperm trees},
  author={A. Casteren and W. Sellers and S. Thorpe and S. Coward and R. Crompton and A. R. Ennos},
  journal={Trees},
  year={2011},
  volume={26},
  pages={789-797}
}
Living tree branches are almost impossible to snap. Some show “greenstick fracture”, breaking halfway across before splitting along their length, while others simply buckle. In this study we investigated the bending failure of coppice branches of three temperate angiosperm trees: ash, Fraxinus excelsior; hazel, Corylus avellana; and white willow, Salix alba. We carried out bending tests, and made a series of observations on the structure, density and tensile and compressive strength of their… Expand
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