Psuedo-affine behaviour of collagen fibres during the uniaxial deformation of leather

Boote, Craig ORCID: https://orcid.org/0000-0003-0348-6547, Sturrock, E., Attenburrow, G. E. and Meek, Keith Michael Andrew ORCID: https://orcid.org/0000-0002-9948-7538 2002. Psuedo-affine behaviour of collagen fibres during the uniaxial deformation of leather. Journal of Materials Science 37 (17) , pp. 3651-3656. 10.1023/A:1016505107534

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Abstract

Chromium tanned bovine leather has been dried under uniaxial strain and its collagen fibre distribution examined using high-angle X-ray diffraction. Microstructural modelling of the fibre kinematics showed that under large-strain deformation (30%) the fibres behave in a psuedo-affine manner. At decreasingly lower strains the fibre re-orientation is seen to progressively deviate from the pseudo-affine prediction; an observation which can be understood in terms of a combination of fibre-fibre adhesion and changes in fibre substructure. The material was also subjected to mechanical testing and tensile data is presented here which indicates how fibre orientation affects tensile modulus. This work represents the first quantitative microstructural model for collagen fibre distribution in strained leather.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Optometry and Vision Sciences
Subjects:	T Technology > T Technology (General)
Publisher:	Kluwer Academic Publishers
ISSN:	0022-2461
Funders:	EPSRC
Last Modified:	24 Oct 2022 11:32
URI:	https://orca.cardiff.ac.uk/id/eprint/48482

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