Abstract:The shear modulus of pulp fibers is difficult to measure and only very little literature is available on the topic. In this work we are introducing a method to measure this highly relevant fiber property utilizing a custom built instrument. From the geometry of the fiber, the fiber twisting angle and the applied torque, the shear modulus is derived by de Saint Venant's theory of torsion. The deformation of the fiber is applied by a moving coil mechanism. The support of the rotating part consists of taut bands,… Show more
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