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Updated: Apr 14, 2026

Characterizing Multiscale Mechanical Properties of Brain Tissue Using Atomic Force Microscopy, Impact Indentation, and Rheometry
Published on: September 6, 2016
Mechanosorptive creep of Norway spruce on the tissue scale perpendicular to grain
Alessia Ferrara1, Falk K Wittel1
1ETH Zurich, Institute for Building Materials, HIF E 28, Laura-Hezner-Weg 7, 8093 Zürich, Switzerland.
Abstract:
Mechanosorptive creep strain (MCS) is a strain component that can dominate the overall deformation behavior of wood components under load and changing moisture. In this work, the MCS behavior of Norway spruce (Picea abies) tissues is investigated in the anatomical directions perpendicular to grain and different loading degrees (LD). The MCS is evaluated through a strain decomposition of the total strain, which is determined using a computer-controlled digital image correlation (DIC) system. It is shown that the common assumption of a scalar relation between mechanosorptive creep compliance (MCC) and the orthotropic, moisture-dependent elastic one is questioned by experiments.
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