Material model of pulp fibres

Publikation: Beitrag in einer FachzeitschriftArtikelForschungBegutachtung

Abstract

Pulp fibres are a part of the paper fibre network and contribute to its non‐linear rate‐dependent behaviour [1]. An appropriate material model helps to quantify and understand these mechanisms, which are highly relevant to industry. The development of the constitutive equations is based on cyclic uniaxial tension tests [2]. For that first a one dimensional viscoelastic, viscoplastic model was designed to fit experimental data. This one dimensional model is then ported to a three dimensional formulation with the logarithmic strain framework [3]. The investigation shows that pulp fibres have a distinct plastic behaviour, which could be the cause of the non‐linear behaviour on the macroscopic level of the network.
Originalspracheenglisch
Seitenumfang2
FachzeitschriftProceedings in Applied Mathematics and Mechanics
DOIs
PublikationsstatusElektronische Veröffentlichung vor Drucklegung. - 2019

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