Full-field moisture induced deformation in Norway spruce: intra-ring variation of transverse swelling

@article{Lanvermann2013FullfieldMI,
  title={Full-field moisture induced deformation in Norway spruce: intra-ring variation of transverse swelling},
  author={Christian Lanvermann and Falk K. Wittel and Peter Niemz},
  journal={European Journal of Wood and Wood Products},
  year={2013},
  volume={72},
  pages={43-52}
}
The transverse hygro-expansion of Norway spruce wood is studied on the growth ring level using digital image correlation. This non-destructive technique offers the possibility for a contactless study of deformation fields of relatively large areas. The measured full-field strains are segmented into individual growth rings. Whereas radial strains closely follow the density progression with the maximum in the dense latewood (LW), tangential and shear strain remain constant except for positions… CONTINUE READING
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